Muscat weather in September
September in Muscat: sweltering, dry — a fair time to visit.
#9 of 12 months in Muscat · #522 of 604 destinations to visit in September · comfort 59/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Muscat climate normals — September
| Daytime high | 35°C / 95°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 39°C / 102°F | |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 62% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.3 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 79 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Muscat in September — FAQ
- Is September a good time to visit Muscat?
- September in Muscat: sweltering, dry — a fair time to visit. It ranks #9 of 12 months for Muscat on SeasonMap's comfort score (59/100).
- What is the weather like in Muscat in September?
- In September, Muscat averages a daily high of 34.8°C and a low of 26.7°C, with about 0 mm of rain over roughly 0 rainy days.
- What is the air quality in Muscat in September?
- Muscat has a mean US Air Quality Index of about 79 in September.