Climate averages 1991–2020
Tôlanaro weather
in September.
A warm, moderately wet month: the 8th warmest and the 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 Tôlanaro: daytime highs average 24.6°C and nights cool to about 18.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 41 mm of rain on roughly 6 days, which makes September a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average September day.
The nearest other city in this atlas is Toliara (385 km away). In September its highs average 29.6°C, 5.0°C warmer than Tôlanaro, with 4.4 mm of rain.
Among the 12 cities listed in Madagascar, Tôlanaro ranks 6th of 12 for the warmest September highs and 9th of 12 for the driest September (rainfall, lowest first). The mean September high of those 12 cities is 25.2°C; Tôlanaro is 0.6°C cooler than that mean.
From September to October, average highs rise by 1.1°C to 25.7°C, and monthly rainfall rises from 41 mm to 68 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
Tôlanaro climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.2°C23.2°C | 23.2°C | 173 | 16.6 | 13.513 h |
| February | 28.0°C23.2°C | 23.2°C | 185 | 15.7 | 13.013 h |
| March | 27.6°C22.8°C | 22.8°C | 140 | 14.8 | 12.312 h |
| April | 26.1°C21.5°C | 21.5°C | 101 | 13.6 | 11.512 h |
| May | 24.5°C19.5°C | 19.5°C | 74 | 11.4 | 10.911 h |
| June | 23.1°C18.1°C | 18.1°C | 49 | 8.7 | 10.611 h |
| July | 22.4°C17.3°C | 17.3°C | 52 | 9.0 | 10.711 h |
| August | 23.2°C17.6°C | 17.6°C | 46 | 7.2 | 11.211 h |
| September, selected | 24.6°C18.4°C | 18.4°C | 41 | 6.0 | 11.912 h |
| October | 25.7°C19.7°C | 19.7°C | 68 | 9.5 | 12.713 h |
| November | 26.8°C20.9°C | 20.9°C | 84 | 11.0 | 13.313 h |
| December | 27.8°C22.3°C | 22.3°C | 129 | 14.8 | 13.714 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
- Toliara in SeptemberMadagascar · 385 kmHigh 29.6°C · Low 19.2°C · 4.4 mm rain
- Fianarantsoa in SeptemberMadagascar · 398 kmHigh 21.8°C · Low 11.8°C · 9.2 mm rain
- Antsirabe in SeptemberMadagascar · 575 kmHigh 23.3°C · Low 9.7°C · 10 mm rain
- Antanifotsy in SeptemberMadagascar · 599 kmHigh 21.3°C · Low 9.0°C · 12 mm rain
- Imerintsiatosika in SeptemberMadagascar · 674 kmHigh 23.4°C · Low 11.2°C · 7.1 mm rain
- Antananarivo in SeptemberMadagascar · 683 kmHigh 22.9°C · Low 11.3°C · 5.1 mm rain
- Toamasina in SeptemberMadagascar · 805 kmHigh 23.5°C · Low 19.4°C · 76 mm rain
- Mahajanga in SeptemberMadagascar · 1038 kmHigh 32.6°C · Low 21.9°C · 2.8 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 Tôlanaro) is explained once on the Tôlanaro year overview and on the Sources, method and limits page.