Climate averages 1991–2020
Dakar weather
in September.
A hot, moderately wet month: the 3rd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Dakar: daytime highs average 29.2°C and nights cool to about 25.8°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 82 mm of rain on roughly 10 days, which makes September a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Rufisque (19 km away). In September its highs average 29.8°C, 0.6°C warmer than Dakar, with 97 mm of rain.
Among the 16 cities listed in Senegal, Dakar ranks 16th of 16 for the warmest September highs and 3rd of 16 for the driest September (rainfall, lowest first). The mean September high of those 16 cities is 31.1°C; Dakar is 1.9°C cooler than that mean.
From September to October, average highs rise by 1.0°C to 30.2°C, and monthly rainfall falls from 82 mm to 22 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
Dakar climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.3°C19.7°C | 19.7°C | 2.2 | 0.2 | 11.411 h |
| February | 25.9°C19.5°C | 19.5°C | 0.7 | 0.1 | 11.712 h |
| March | 25.9°C19.6°C | 19.6°C | 0.3 | 0.0 | 12.012 h |
| April | 25.3°C19.8°C | 19.8°C | 0 | 0.0 | 12.512 h |
| May | 26.2°C21.0°C | 21.0°C | 0.1 | 0.0 | 12.813 h |
| June | 27.7°C23.1°C | 23.1°C | 0.7 | 0.2 | 13.013 h |
| July | 28.8°C24.9°C | 24.9°C | 27 | 4.4 | 12.913 h |
| August | 28.8°C25.6°C | 25.6°C | 124 | 11.6 | 12.613 h |
| September, selected | 29.2°C25.8°C | 25.8°C | 82 | 9.8 | 12.212 h |
| October | 30.2°C25.9°C | 25.9°C | 22 | 2.6 | 11.812 h |
| November | 30.1°C24.3°C | 24.3°C | 0.3 | 0.0 | 11.511 h |
| December | 28.1°C21.7°C | 21.7°C | 0.6 | 0.2 | 11.311 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
- Rufisque in SeptemberSenegal · 19 kmHigh 29.8°C · Low 25.5°C · 97 mm rain
- Thiès Nones in SeptemberSenegal · 52 kmHigh 30.3°C · Low 24.4°C · 120 mm rain
- Thiès in SeptemberSenegal · 57 kmHigh 30.8°C · Low 24.0°C · 120 mm rain
- Mbour in SeptemberSenegal · 60 kmHigh 29.8°C · Low 25.0°C · 111 mm rain
- Tivaouane in SeptemberSenegal · 73 kmHigh 30.6°C · Low 24.3°C · 108 mm rain
- Diourbel in SeptemberSenegal · 129 kmHigh 31.5°C · Low 23.9°C · 124 mm rain
- Kaolack in SeptemberSenegal · 160 kmHigh 31.1°C · Low 24.1°C · 147 mm rain
- Serekunda in SeptemberGambia · 162 kmHigh 28.8°C · Low 25.5°C · 174 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 Dakar) is explained once on the Dakar year overview and on the Sources, method and limits page.