Climate averages 1991–2020
Samā’il weather
in September.
A very hot, very dry month: the 5th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Samā’il: daytime highs average 38.7°C and nights cool to about 27.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical September (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average September day.
The nearest other city in this atlas is Seeb (48 km away). In September its highs average 34.9°C, 3.8°C cooler than Samā’il, with almost no rain (under 1 mm).
Among the 12 cities listed in Oman, Samā’il ranks 4th of 12 for the warmest September highs and joint 6th of 12 for the driest September (rainfall, lowest first). The mean September high of those 12 cities is 36.7°C; Samā’il is 2.0°C warmer than that mean.
From September to October, average highs fall by 3.7°C to 35.0°C, and monthly rainfall rises from under 1 mm to 6.6 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Samā’il climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.5°C15.1°C | 15.1°C | 12 | 2.4 | 10.911 h |
| February | 27.1°C16.6°C | 16.6°C | 12 | 1.8 | 11.411 h |
| March | 30.6°C19.7°C | 19.7°C | 29 | 3.2 | 12.012 h |
| April | 35.7°C24.2°C | 24.2°C | 19 | 3.1 | 12.713 h |
| May | 40.2°C28.0°C | 28.0°C | 4.7 | 1.5 | 13.213 h |
| June | 41.9°C30.1°C | 30.1°C | 7.0 | 0.7 | 13.514 h |
| July | 41.5°C30.6°C | 30.6°C | 9.6 | 1.6 | 13.413 h |
| August | 40.5°C29.4°C | 29.4°C | 5.7 | 1.9 | 12.913 h |
| September, selected | 38.7°C27.0°C | 27.0°C | 0.4 | 0.2 | 12.312 h |
| October | 35.0°C24.4°C | 24.4°C | 6.6 | 1.1 | 11.612 h |
| November | 29.6°C20.0°C | 20.0°C | 16 | 2.2 | 11.011 h |
| December | 25.9°C16.9°C | 16.9°C | 14 | 2.3 | 10.711 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Seeb in SeptemberOman · 48 kmHigh 34.9°C · Low 26.9°C · 0.1 mm rain
- Rustaq in SeptemberOman · 55 kmHigh 39.0°C · Low 28.7°C · 1.7 mm rain
- Muscat in SeptemberOman · 56 kmHigh 34.6°C · Low 26.7°C · 0.2 mm rain
- Nizwá in SeptemberOman · 59 kmHigh 38.0°C · Low 25.8°C · 2.3 mm rain
- As Suwayq in SeptemberOman · 81 kmHigh 37.7°C · Low 26.4°C · 0.1 mm rain
- Şaḩam in SeptemberOman · 146 kmHigh 36.3°C · Low 27.2°C · 0.1 mm rain
- ‘Ibrī in SeptemberOman · 147 kmHigh 39.4°C · Low 25.1°C · 0.7 mm rain
- Sohar in SeptemberOman · 172 kmHigh 36.9°C · Low 27.0°C · 0.4 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Samā’il) is explained once on the Samā’il year overview and on the Sources, method and limits page.