Climate averages 1991–2020
Port Sudan weather
in September.
A very hot, very dry month: the 4th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Port Sudan: daytime highs average 37.8°C and nights cool to about 26.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical September (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.
The nearest other city in this atlas is Jeddah (292 km away). In September its highs average 34.5°C, 3.2°C cooler than Port Sudan, with almost no rain (under 1 mm).
Among the 22 cities listed in Sudan, Port Sudan ranks 4th of 22 for the warmest September highs and 1st of 22 for the driest September (rainfall, lowest first). The mean September high of those 22 cities is 34.7°C; Port Sudan is 3.1°C warmer than that mean.
From September to October, average highs fall by 4.4°C to 33.4°C, and monthly rainfall rises from under 1 mm to 14 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
Port Sudan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.7°C19.0°C | 19.0°C | 17 | 5.5 | 11.111 h |
| February | 26.6°C18.7°C | 18.7°C | 5.4 | 1.9 | 11.511 h |
| March | 28.8°C19.4°C | 19.4°C | 1.5 | 0.4 | 12.012 h |
| April | 31.7°C21.9°C | 21.9°C | 2.7 | 0.4 | 12.613 h |
| May | 35.5°C24.6°C | 24.6°C | 0.3 | 0.1 | 13.113 h |
| June | 38.5°C26.2°C | 26.2°C | 0.2 | 0.0 | 13.313 h |
| July | 40.5°C28.3°C | 28.3°C | 3.9 | 1.3 | 13.213 h |
| August | 40.6°C28.9°C | 28.9°C | 4.2 | 1.3 | 12.813 h |
| September, selected | 37.8°C26.5°C | 26.5°C | 0.9 | 0.3 | 12.312 h |
| October | 33.4°C24.9°C | 24.9°C | 14 | 3.9 | 11.712 h |
| November | 29.3°C23.3°C | 23.3°C | 42 | 12.4 | 11.211 h |
| December | 26.7°C21.0°C | 21.0°C | 41 | 11.8 | 11.011 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
- Jeddah in SeptemberSaudi Arabia · 292 kmHigh 34.5°C · Low 27.5°C · 0.1 mm rain
- Al Līth in SeptemberSaudi Arabia · 325 kmHigh 35.7°C · Low 28.4°C · 0.6 mm rain
- Makkah in SeptemberSaudi Arabia · 338 kmHigh 38.6°C · Low 25.7°C · 3.9 mm rain
- Ash Shafā in SeptemberSaudi Arabia · 362 kmHigh 27.6°C · Low 17.6°C · 26 mm rain
- Ta’if in SeptemberSaudi Arabia · 381 kmHigh 32.7°C · Low 22.6°C · 14 mm rain
- Rābigh in SeptemberSaudi Arabia · 401 kmHigh 37.2°C · Low 26.4°C · 0 mm rain
- Atbara in SeptemberSudan · 401 kmHigh 40.5°C · Low 27.0°C · 1.7 mm rain
- Ad-Damir in SeptemberSudan · 409 kmHigh 40.5°C · Low 26.8°C · 2.1 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 Port Sudan) is explained once on the Port Sudan year overview and on the Sources, method and limits page.