Mahajanga Weather in September
Average highs run from 33°C on September 1 to 34°C on September 30, and lows from 20°C to 21°C. Normal precipitation for the month is 9 mm over about 3 wet days.
September day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 33°C
- Average low
- 20°C
- Precipitation
- 9 mm
- Record high
- 38°CSep 28, 2023
- Record low
- 14°CSep 13, 1982
- Daylight
- 11 h 48 min to 12 h 13 min
- Cloud cover
- 21%
- Humidity
- 65%
- Dew point
- 19°C
- Wind
- 18.7 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 33°C | 20°C | 35°C 1998 | 17°C 1980 | 8% |
| Sep 2 | 33°C | 20°C | 35°C 2008 | 17°C 1993 | 8% |
| Sep 3 | 33°C | 19°C | 35°C 2000 | 17°C 1993 | 7% |
| Sep 4 | 33°C | 20°C | 36°C 2023 | 14°C 1984 | 7% |
| Sep 5 | 33°C | 20°C | 36°C 2024 | 15°C 1984 | 7% |
| Sep 6 | 33°C | 20°C | 35°C 2023 | 17°C 1985 | 6% |
| Sep 7 | 33°C | 36°C 2024 | 17°C 1978 | 6% | |
| Sep 8 | 33°C | 20°C | 36°C 2024 | 15°C 1986 | 7% |
| Sep 9 | 33°C | 20°C | 36°C 2018 | 17°C 1994 | 7% |
| Sep 10 | 33°C | 20°C | 36°C 2020 | 15°C 1975 | 6% |
| Sep 11 | 33°C | 20°C | 36°C 2024 | 17°C 1986 | 6% |
| Sep 12 | 33°C | 20°C | 36°C 2024 | 17°C 2000 | 6% |
| Sep 13 | 33°C | 20°C | 36°C 1989 | 14°C 1982 | 6% |
| Sep 14 | 33°C | 20°C | 37°C 2024 | 16°C 1993 | 6% |
| Sep 15 | 33°C | 20°C | 37°C 2024 | 16°C 1975 | 6% |
| Sep 16 | 33°C | 35°C 2019 | 18°C 1984 | 6% | |
| Sep 17 | 33°C | 35°C 2024 | 17°C 1982 | 6% | |
| Sep 18 | 33°C | 20°C | 35°C 2007 | 17°C 2002 | 6% |
| Sep 19 | 33°C | 37°C 2018 | 17°C 1981 | 6% | |
| Sep 20 | 34°C | 37°C 2018 | 18°C 1987 | 6% | |
| Sep 21 | 34°C | 36°C 2015 | 18°C 1984 | 6% | |
| Sep 22 | 34°C | 21°C | 36°C 2015 | 16°C 1982 | 6% |
| Sep 23 | 33°C | 21°C | 36°C 2022 | 17°C 1982 | 5% |
| Sep 24 | 33°C | 21°C | 36°C 2023 | 18°C 2000 | 5% |
| Sep 25 | 33°C | 36°C 2022 | 18°C 1974 | 6% | |
| Sep 26 | 33°C | 21°C | 36°C 2021 | 19°C 1985 | 8% |
| Sep 27 | 34°C | 21°C | 37°C 1979 | 17°C 1980 | 8% |
| Sep 28 | 34°C | 38°C 2023 | 16°C 1988 | 8% | |
| Sep 29 | 34°C | 21°C | 38°C 2023 | 18°C 1976 | 8% |
| Sep 30 | 34°C | 21°C | 37°C 2023 | 18°C 1982 | 8% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- September 1
- sunrise 6:01 AM, sunset 5:49 PM
- September 30
- sunrise 5:38 AM, sunset 5:51 PM
Other months
Sources
Records: NOAA GHCN-Daily, station MAM00067027, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.