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Muscat Weather in September
During September, Muscat experiences very high daytime temperatures of 34°C (93°F) and cooler nights around 29°C (84°F). As the driest month of the year, rainfall is at its lowest.
Rainfall in Muscat in September
September is the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans. Records from the past 30 years suggest around 0 days of rain, with 0.2 mm (0.01 in) average for the month. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.
Temperature in Muscat in September
September in Muscat sees highs of 34°C (93°F) and lows of 29°C (84°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are warm at 29°C (84°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Sunshine in Muscat in September
Enjoy a sunny month with about 305 hours of sunshine, the clear skies make Muscat even more beautiful.September in Muscat has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Muscat Temperature in September
Min Temperature
29°C (84°F)
Max Temperature
34°C (93°F)
Chance of Rain
0%
Precipitation
0.2 mm (0.01 in)
Rainy days
0 days
Humidity
63%
Sunshine
305 hours
Percentage Sunshine
Muscat Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Muscat - and find the best time to visit.
Daily Historical Temperatures
44-year average (1978-2025)
Based on our historical records, temperatures in Muscat typically stay consistent throughout September, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 28°C (82°F).
Average temperatures in September
Historical weather records for Muscat in September
Browse day-by-day weather records for Muscat spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Muscat historical weather extremes in September
Based on 35 years of weather observations in Muscat between 1991 and 2026, these are the recorded extremes.
- Muscat recorded its highest September temperature of 44°C (111°F) on September 25, 1991.
- Muscat experienced its chilliest September day on September 3, 2016, reaching only 30°C (86°F).
- Muscat registered its coldest September night on September 26, 1995, with temperatures dropping to 22°C (72°F).
Best Places in Oman in September
Find out more about the weather in Oman and which places have the best travel conditions in this month. See all of Oman in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Muscat in September
Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Muscat in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping9/10 -
Outdoor sports8/10
Muscat 3-Day Forecast
More climate data for Muscat
Temperature Rainfall Sunshine Humidity
See the full Muscat climate overview or explore weather in Oman.
Popular in September
Where to go in September - average daytime high across popular destinations.
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