Climate averages 1991–2020
Dosso weather
in September.
A hot, moderately wet month: the 9th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Dosso: daytime highs average 33.3°C and nights cool to about 24.2°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 58 mm of rain on roughly 9 days, which makes September a moderately wet month (the 10th 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 Birnin Kebbi (127 km away). In September its highs average 32.2°C, 1.1°C cooler than Dosso, with 77 mm of rain.
Among the 8 cities listed in Niger, Dosso ranks 8th of 8 for the warmest September highs and 8th of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 35.6°C; Dosso is 2.4°C cooler than that mean.
From September to October, average highs rise by 3.3°C to 36.5°C, and monthly rainfall falls from 58 mm to 11 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
Dosso climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.3°C16.8°C | 16.8°C | 0 | 0.0 | 11.411 h |
| February | 35.4°C19.0°C | 19.0°C | 0.1 | 0.0 | 11.712 h |
| March | 38.8°C21.9°C | 21.9°C | 1.3 | 0.2 | 12.112 h |
| April | 40.7°C25.2°C | 25.2°C | 3.3 | 0.8 | 12.412 h |
| May | 39.9°C27.6°C | 27.6°C | 13 | 3.4 | 12.713 h |
| June | 37.3°C26.6°C | 26.6°C | 29 | 7.0 | 12.913 h |
| July | 33.7°C24.8°C | 24.8°C | 75 | 12.3 | 12.813 h |
| August | 31.3°C23.7°C | 23.7°C | 156 | 17.5 | 12.613 h |
| September, selected | 33.3°C24.2°C | 24.2°C | 58 | 8.9 | 12.212 h |
| October | 36.5°C23.8°C | 23.8°C | 11 | 2.7 | 11.812 h |
| November | 35.9°C19.5°C | 19.5°C | 0 | 0.0 | 11.512 h |
| December | 33.1°C17.4°C | 17.4°C | 0 | 0.0 | 11.411 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
- Birnin Kebbi in SeptemberNigeria · 127 kmHigh 32.2°C · Low 24.0°C · 77 mm rain
- Niamey in SeptemberNiger · 128 kmHigh 34.5°C · Low 24.7°C · 45 mm rain
- Jega in SeptemberNigeria · 158 kmHigh 31.5°C · Low 23.8°C · 96 mm rain
- Sokoto in SeptemberNigeria · 222 kmHigh 32.6°C · Low 24.1°C · 68 mm rain
- Birni N Konni in SeptemberNiger · 237 kmHigh 34.4°C · Low 24.7°C · 47 mm rain
- Tahoua in SeptemberNiger · 303 kmHigh 36.0°C · Low 24.2°C · 29 mm rain
- Fada N'gourma in SeptemberBurkina Faso · 327 kmHigh 30.8°C · Low 22.8°C · 105 mm rain
- Kontagora in SeptemberNigeria · 385 kmHigh 28.8°C · Low 22.0°C · 192 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 Dosso) is explained once on the Dosso year overview and on the Sources, method and limits page.