Fall in Muscat, Oman finally brings a break from the relentless summer heat. You’ll notice daily highs ease from the low 90s °F in early September to the low 80s °F by late November. Nights cool off into the upper 60s °F.
It’s honestly some of the most comfortable weather you’ll get all year, so exploring the city’s coastline, souks, or those mountain views feels a lot easier.
Rain barely makes an appearance during fall, maybe a brief shower here or there, but you probably won’t need to change your outdoor plans. Humidity drops off as the weeks go by, so the air doesn’t feel as heavy as it does in summer.
Most days, you’ll get clear skies and loads of sunshine. Bright, dry conditions are the norm.
The Arabian Sea keeps its warmth well into fall, with water temperatures hanging out in the 80s °F. Swimming or diving? Still totally doable.
Daylight hours get a bit shorter, but there’s still plenty of sun. Muscat’s fall season balances warmth, dryness, and light, making it a fantastic time to visit.
Overview of Fall Weather in Muscat
As fall rolls in, both temperature and humidity start dropping in Muscat. It’s one of the more comfortable stretches of the year.
You’ll get shorter days, clearer skies, and evenings that finally cool off compared to those muggy summer nights.
What Months Are Considered Fall in Muscat
In Muscat, fall runs from September through November. This is when the city shifts from its long, humid summer to a milder winter.
September still feels hot, with daytime highs around the mid-30s °C (about 93°F). By November, highs settle closer to 27°C (81°F).
Nights cool too, dropping from roughly 28°C (82°F) in early September to about 20°C (68°F) by late November.
Rainfall barely registers, with just a 3% chance of precipitation on an average fall day. Sunshine dominates, and cloud cover drops off, especially in October.
If you’re tired of sticky, humid weather, fall’s drier air feels like a relief. Outdoor activities are just more doable.
General Climate Characteristics
Muscat has a subtropical desert climate, so fall still brings hot afternoons and warm evenings, but the rain stays away.
Compared to summer, the air is way less oppressive.
Humidity drops fast. In early September, muggy days are common, but by late November, you’ll only get them about a third of the time.
That makes the heat more manageable, even if daytime highs stay above 30°C (86°F).
Winds usually stay light, averaging around 10 km/h. They start out from the south in September, then shift north later on.
Sea temperatures in the Gulf of Oman cool a bit, from about 30°C (86°F) in September to 26°C (79°F) by November.
Daylight hours shrink by almost two hours over the season. Sunrises come later, sunsets earlier, so you get a little less time outdoors.
How Muscat Weather Differs in Fall Compared to Other Seasons
Compared to summer, fall in Muscat feels way more comfortable. The brutal heat and humidity of July and August finally ease, so you can actually enjoy being outside.
Fall afternoons are still hot, but you won’t get the chilly nights that winter brings in December and January. Evenings stay warm.
Spring in Muscat can feel a bit like fall, temperature-wise, but humidity ramps up before summer. Fall, on the other hand, moves toward drier air.
Rainfall stays rare in both fall and spring, but skies in fall are clearer. October is especially sunny.
So, fall stands out from the humid, cloudy summer and the slightly wetter winter months.
Average Temperatures During Fall
Temperatures in Muscat drop steadily through fall, both during the day and at night. Afternoons stay warm, but they cool off as the weeks go by.
You’ll notice a real shift from hot, humid days to milder, drier weather.
Daytime and Nighttime Temperature Ranges
In fall, daily highs fall from about 34°C (93°F) in early September to around 27°C (81°F) by late November.
September afternoons can still feel intense, but the heat becomes much more tolerable by November.
Nighttime lows drop from 28°C (82°F) in September to near 20°C (68°F) in November. Evenings actually become pleasant, especially after the sticky nights of summer.
Extreme highs above 38°C (100°F) almost never happen in fall, and lows below 18°C (64°F) are rare too.
Late October and November usually offer the best comfort, with milder conditions day and night.
Monthly Temperature Trends in Fall
September’s the warmest fall month, with highs near 34°C (93°F) and lows around 28°C (82°F). Humidity still lingers, so the heat can feel heavy.
By October, highs drop into the low 30s°C (mid-80s°F), and nights cool into the mid-20s°C (mid-70s°F). Humidity drops sharply and things start to clear up.
November is the coolest month of fall. Highs average 27°C (81°F), and lows settle near 20°C (68°F).
Most visitors find November’s weather perfect for outdoor adventures, thanks to lower heat and humidity.
Temperature Comparisons With Other Seasons
Compared to summer, fall temperatures in Muscat are much easier to handle. Summer highs often hit 40°C (104°F) or more, with nights rarely dipping below 30°C (86°F).
Fall’s cooling trend is a welcome change.
Winter gets even cooler, with highs around 24°C (75°F) and lows near 18°C (64°F). Winter air feels dry, and skies are often clear.
Spring heats up fast, with highs climbing toward the mid-30s°C (mid-90s°F) by May. Fall acts as a bridge between the scorching summer and the mild, dry winter.
Rainfall and Humidity in Muscat’s Fall Season
Muscat barely gets any rain during fall, but humidity still plays a role in how the weather feels. Most days are dry, though the air can feel thick, especially by the sea.
Monthly Rainfall Averages
Rain is scarce year-round in Muscat, and fall is no different. September is usually the driest, with only about 0.2 mm of rain and almost no rainy days.
October and November bring a slightly higher chance of showers, but totals stay low.
On average, Muscat gets less than 10 mm of rain during all of fall. Showers, if they happen, are brief and often tied to quick thunderstorms or passing weather systems.
You can pretty much count on dry conditions.
Here’s a quick look at the rainfall averages:
| Month | Average Rainfall | Rainy Days |
|---|---|---|
| September | ~0.2 mm | 0 days |
| October | ~3 mm | 0–1 days |
| November | ~6 mm | 1 day |
It’s a classic desert climate—rain is rare, and the sun rules.
Humidity Levels and Patterns
Even though rain is limited, humidity can still make its presence known. In September, humidity often peaks thanks to lingering summer heat and a warm sea.
Levels can reach 60–70%, especially early in the morning or after sunset.
October and November bring a gradual drop in humidity as temperatures cool down. Nights might still feel sticky, but afternoons get more comfortable.
Coastal areas stay more humid than inland spots, where the air is drier.
High humidity plus warm temps in early fall can make it feel hotter than the thermometer says. As the season moves on, this effect fades, and outdoor activities get easier.
Sunshine Hours and Daylight Patterns
Muscat’s fall season is all about bright skies and loads of sun. Daylight hours do get a bit shorter as winter approaches, but there’s still plenty to go around.
Average Daily Sunshine in Fall
You can expect plenty of sunshine hours each day during fall.
September averages about 10 to 11 hours of sunlight daily. By November, it slips just a bit to around 9 to 10 hours per day.
The sun stays intense, and skies are mostly clear. Outdoor activities are doable all day, but midday can still feel hot.
With long sunshine hours and hardly any rain, overcast days are rare.
Compared to most places, Muscat’s fall still gives you well above 9 hours of sunshine daily. Don’t forget the sunscreen—UV exposure is no joke, especially in September and October.
| Month | Avg. Daily Sunshine (hours) |
|---|---|
| September | 10–11 |
| October | 9.5–10 |
| November | 9–10 |
Changes in Daylight Duration
Daylight hours shift gradually during fall. In early September, you get about 12 hours and 20 minutes of daylight.
By late November, that’s down to roughly 11 hours.
It’s a slow, steady change—nothing dramatic from week to week. Mornings start a bit later, and evenings get darker earlier.
If you like cooler times of day, November evenings might be your favorite, with earlier sunsets. The steady drop in daylight hints at Muscat’s mild winter on the horizon, but days still stay brighter than in many other places.
Sea Temperature and Coastal Conditions
Muscat’s coast stays warm through fall, with sea temperatures only dropping a little from summer’s peak. That means the water is still great for swimming, snorkeling, or other coastal activities even late into autumn.
Average Sea Temperatures
The sea around Muscat stays very warm during fall. In September, water averages about 86°F (30°C).
October sees a slight dip to around 85°F (29.9°C).
By November, it cools to about 82°F (27.9°C).
So, swimming feels comfortable all season. The change from early to late fall is gradual—you won’t get any shocking cold snaps in the water.
Compared to lots of other coasts, Muscat’s sea stays warm for longer. Even in November, the water feels warmer than many European summer hotspots.
If you’re hoping to enjoy the sea late in the year, Muscat’s a solid bet.
Swimming and Water Activities in Fall
When water temperatures stay above 80°F (27°C), you can jump in and swim without worrying about a wetsuit. The warm sea feels inviting for long swims, snorkeling, or just some relaxed diving.
Rain barely shows up and storms hardly ever bother this season, so the sea usually stays calm. Snorkelers and divers get steady visibility around Muscat’s reefs because of this.
People who love paddleboarding or kayaking will find the water mostly smooth, with just a hint of wind. Mornings tend to be the calmest, but sometimes the wind picks up in the afternoon.
The coastline gets a ton of sun in fall, so you’ll want to think about sun exposure. Don’t forget to use sun protection and drink plenty of water if you’re out there for a while.
Travel Tips for Visiting Muscat in Fall
Muscat’s fall weather slowly cools down after the intense summer, making it so much easier to explore outdoors. Expect warm days, mild evenings, and barely any rain while you’re planning city adventures or trips along the coast.
What to Pack for Muscat’s Fall Weather
In September, daytime highs can still hit 36°C (97°F), but by November, things cool off closer to 30°C (86°F). Nights get pretty comfortable, sometimes dipping into the low 20s °C (around 70°F).
You’ll want to pack breathable clothes that help with the heat but also work when evenings turn cooler. Go for light cotton or linen shirts, loose trousers, and modest outfits that respect local customs.
A light sweater or shawl comes in handy for November evenings when it cools down more. Good walking shoes are a must if you’re checking out souqs, forts, or the coast.
The sun doesn’t let up much in fall, so bring sunscreen, sunglasses, and a wide-brimmed hat. Staying hydrated matters, so keep a reusable water bottle close by.
If swimming’s on your list, pack swimwear that fits local etiquette and maybe sandals for rocky beaches. You could toss in a small travel umbrella, not for rain, but for a bit of shade if you’re out at midday.
Best Outdoor Activities During Fall
You’ll find fall brings some of the best weather for exploring Muscat and the nearby landscapes. September can still feel pretty hot, but once October and November roll in, you can actually enjoy outdoor activities without sweating buckets.
People love walking along the Corniche in Mutrah or checking out the Sultan Qaboos Grand Mosque. Touring forts like Al Jalali and Al Mirani feels a lot easier with the lower humidity.
The sea stays warm too, usually around 27–29°C (80–84°F), so snorkeling and diving trips are still a solid bet. If you’re after a swim or a chill picnic, beaches like Qurum and Yiti are both great picks.
If you’re more of an active traveler, you’ll probably enjoy hiking in the Al Hajar Mountains now that the weather’s cooled off. Trails around Wadi Shab and Wadi Tiwi reward you with freshwater pools and some pretty dramatic scenery.
Boat tours to spot dolphins or just explore the coastline really shine in these months. The water’s calmer, the visibility’s better, and honestly, it just feels right.