Climate averages 1991–2020
Antsirabe weather
in September.
A warm, very dry month: the joint 6th warmest and the 4th 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 Antsirabe: daytime highs average 23.3°C and nights cool to about 9.7°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 10 mm of rain on roughly 2 days, which makes September a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average September day.
The nearest other city in this atlas is Antanifotsy (38 km away). In September its highs average 21.3°C, 2.1°C cooler than Antsirabe, with 12 mm of rain.
Among the 12 cities listed in Madagascar, Antsirabe ranks 9th of 12 for the warmest September highs and 7th of 12 for the driest September (rainfall, lowest first). The mean September high of those 12 cities is 25.2°C; Antsirabe is 1.9°C cooler than that mean.
From September to October, average highs rise by 1.7°C to 25.0°C, and monthly rainfall rises from 10 mm to 83 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
Antsirabe climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.5°C15.4°C | 15.4°C | 379 | 24.0 | 13.213 h |
| February | 23.3°C15.4°C | 15.4°C | 325 | 21.1 | 12.813 h |
| March | 23.4°C14.8°C | 14.8°C | 213 | 18.0 | 12.212 h |
| April | 22.7°C13.1°C | 13.1°C | 73 | 10.9 | 11.712 h |
| May | 21.0°C11.0°C | 11.0°C | 20 | 3.8 | 11.211 h |
| June | 19.1°C8.5°C | 8.5°C | 6.0 | 1.3 | 11.011 h |
| July | 18.4°C7.6°C | 7.6°C | 5.4 | 1.2 | 11.011 h |
| August | 20.5°C8.2°C | 8.2°C | 5.8 | 1.5 | 11.411 h |
| September, selected | 23.3°C9.7°C | 9.7°C | 10 | 2.2 | 12.012 h |
| October | 25.0°C12.2°C | 12.2°C | 83 | 9.7 | 12.513 h |
| November | 24.9°C13.7°C | 13.7°C | 199 | 16.5 | 13.013 h |
| December | 24.2°C14.8°C | 14.8°C | 333 | 22.0 | 13.313 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
- Antanifotsy in SeptemberMadagascar · 38 kmHigh 21.3°C · Low 9.0°C · 12 mm rain
- Imerintsiatosika in SeptemberMadagascar · 103 kmHigh 23.4°C · Low 11.2°C · 7.1 mm rain
- Antananarivo in SeptemberMadagascar · 118 kmHigh 22.9°C · Low 11.3°C · 5.1 mm rain
- Fianarantsoa in SeptemberMadagascar · 177 kmHigh 21.8°C · Low 11.8°C · 9.2 mm rain
- Toamasina in SeptemberMadagascar · 314 kmHigh 23.5°C · Low 19.4°C · 76 mm rain
- Mahajanga in SeptemberMadagascar · 468 kmHigh 32.6°C · Low 21.9°C · 2.8 mm rain
- Toliara in SeptemberMadagascar · 521 kmHigh 29.6°C · Low 19.2°C · 4.4 mm rain
- Tôlanaro in SeptemberMadagascar · 575 kmHigh 24.6°C · Low 18.4°C · 41 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 Antsirabe) is explained once on the Antsirabe year overview and on the Sources, method and limits page.