Climate averages 1991–2020
Weather in Oman in September
In September, average daytime highs across the 12 cities listed in Oman range from 29.9°C in Şalālah to 40.3°C in Al Buraymī. Monthly rainfall ranges from under 1 mm in As Suwayq to 4.6 mm in Şalālah.
Long-term climate patterns, not a forecast for a particular trip.
City by city
September in Oman
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Muscat | 34.6°C26.7°C | 26.7°C | 0.2 | 0.1 |
| Seeb | 34.9°C26.9°C | 26.9°C | 0.1 | 0.0 |
| ‘Ibrī | 39.4°C25.1°C | 25.1°C | 0.7 | 0.2 |
| Şalālah | 29.9°C23.2°C | 23.2°C | 4.6 | 1.3 |
| Şaḩam | 36.3°C27.2°C | 27.2°C | 0.1 | 0.0 |
| Rustaq | 39.0°C28.7°C | 28.7°C | 1.7 | 0.3 |
| Sohar | 36.9°C27.0°C | 27.0°C | 0.4 | 0.1 |
| As Suwayq | 37.7°C26.4°C | 26.4°C | 0.1 | 0.0 |
| Samā’il | 38.7°C27.0°C | 27.0°C | 0.4 | 0.2 |
| Al Buraymī | 40.3°C26.6°C | 26.6°C | 0.8 | 0.3 |
| Nizwá | 38.0°C25.8°C | 25.8°C | 2.3 | 0.7 |
| Sur | 35.1°C26.5°C | 26.5°C | 0.1 | 0.0 |
A rain day is a local calendar day with at least 1 mm of precipitation.