Climate averages 1991–2020
Mamoudzou weather
in September.
A warm, very dry month: the 10th warmest and the joint 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Mamoudzou: daytime highs average 26.1°C and nights cool to about 23.6°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 12 mm of rain on roughly 4 days, which makes September a very dry month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average September day.
The nearest other city in this atlas is Moroni (246 km away). In September its highs average 27.9°C, 1.8°C warmer than Mamoudzou, with 20 mm of rain.
From September to October, average highs rise by 0.8°C to 26.9°C, and monthly rainfall rises from 12 mm to 20 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
Mamoudzou climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.0°C26.0°C | 26.0°C | 238 | 21.7 | 12.813 h |
| February | 28.0°C26.0°C | 26.0°C | 197 | 19.9 | 12.513 h |
| March | 28.2°C26.2°C | 26.2°C | 169 | 20.0 | 12.212 h |
| April | 28.3°C26.3°C | 26.3°C | 69 | 13.0 | 11.812 h |
| May | 27.6°C25.8°C | 25.8°C | 21 | 5.8 | 11.512 h |
| June | 26.4°C24.7°C | 24.7°C | 12 | 2.9 | 11.411 h |
| July | 25.6°C23.8°C | 23.8°C | 10 | 2.5 | 11.411 h |
| August | 25.6°C23.2°C | 23.2°C | 9.6 | 2.1 | 11.712 h |
| September, selected | 26.1°C23.6°C | 23.6°C | 12 | 3.6 | 12.012 h |
| October | 26.9°C24.5°C | 24.5°C | 20 | 5.4 | 12.412 h |
| November | 27.5°C25.4°C | 25.4°C | 40 | 9.0 | 12.713 h |
| December | 27.9°C25.9°C | 25.9°C | 109 | 16.5 | 12.913 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
- Moroni in SeptemberComoros · 246 kmHigh 27.9°C · Low 22.8°C · 20 mm rain
- Mahajanga in SeptemberMadagascar · 347 kmHigh 32.6°C · Low 21.9°C · 2.8 mm rain
- Antsiranana in SeptemberMadagascar · 444 kmHigh 28.7°C · Low 21.0°C · 2.6 mm rain
- Pemba in SeptemberMozambique · 511 kmHigh 28.8°C · Low 21.2°C · 11 mm rain
- Nacala in SeptemberMozambique · 529 kmHigh 27.6°C · Low 20.5°C · 7.0 mm rain
- Sambava in SeptemberMadagascar · 559 kmHigh 25.5°C · Low 19.9°C · 88 mm rain
- Antalaha in SeptemberMadagascar · 594 kmHigh 25.4°C · Low 20.0°C · 43 mm rain
- Mtwara in SeptemberTanzania · 617 kmHigh 27.9°C · Low 22.7°C · 9.6 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 Mamoudzou) is explained once on the Mamoudzou year overview and on the Sources, method and limits page.