Toamasina Weather in September
Average highs run from 26°C on September 1 to 27°C on September 30, and lows from 17°C to 18°C.
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
- 27°C
- Average low
- 18°C
- Record high
- 31°CSep 26, 1987
- Record low
- 10°CSep 28, 1990
- Daylight
- 11 h 45 min to 12 h 15 min
- Cloud cover
- 60%
- Humidity
- 80%
- Dew point
- 18°C
- Wind
- 11.9 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 | 26°C | 17°C | 28°C 2017 | 13°C 1986 | 58% |
| Sep 2 | 26°C | 17°C | 30°C 2019 | 14°C 1984 | 57% |
| Sep 3 | 26°C | 18°C | 28°C 2017 | 14°C 1988 | 56% |
| Sep 4 | 26°C | 17°C | 29°C 2017 | 14°C 2012 | 56% |
| Sep 5 | 26°C | 17°C | 29°C 2017 | 15°C 2001 | 55% |
| Sep 6 | 26°C | 17°C | 29°C 1982 | 13°C 1975 | 55% |
| Sep 7 | 26°C | 18°C | 29°C 1982 | 13°C 1977 | 54% |
| Sep 8 | 27°C | 18°C | 28°C 2024 | 15°C 1977 | 54% |
| Sep 9 | 26°C | 17°C | 28°C 2024 | 15°C 1996 | 53% |
| Sep 10 | 27°C | 17°C | 28°C 2024 | 14°C 1981 | 53% |
| Sep 11 | 26°C | 18°C | 28°C 2011 | 15°C 1984 | 52% |
| Sep 12 | 27°C | 18°C | 28°C 1987 | 14°C 2000 | 50% |
| Sep 13 | 27°C | 17°C | 29°C 2023 | 15°C 1973 | 50% |
| Sep 14 | 27°C | 17°C | 29°C 2023 | 14°C 1983 | 50% |
| Sep 15 | 27°C | 17°C | 28°C 2023 | 14°C 1993 | 50% |
| Sep 16 | 27°C | 17°C | 28°C 2017 | 15°C 2000 | 50% |
| Sep 17 | 27°C | 28°C 2019 | 14°C 2020 | 49% | |
| Sep 18 | 27°C | 17°C | 28°C 2021 | 15°C 1980 | 48% |
| Sep 19 | 27°C | 18°C | 29°C 2017 | 15°C 2011 | 47% |
| Sep 20 | 27°C | 18°C | 28°C 1988 | 14°C 1996 | 47% |
| Sep 21 | 27°C | 18°C | 28°C 2023 | 14°C 1974 | 47% |
| Sep 22 | 27°C | 18°C | 29°C 2024 | 16°C 1987 | 47% |
| Sep 23 | 27°C | 18°C | 28°C 2023 | 13°C 1980 | 46% |
| Sep 24 | 27°C | 18°C | 29°C 2024 | 14°C 1980 | 46% |
| Sep 25 | 27°C | 18°C | 29°C 2018 | 15°C 2006 | 44% |
| Sep 26 | 27°C | 17°C | 31°C 1987 | 11°C 1978 | 44% |
| Sep 27 | 27°C | 18°C | 30°C 2017 | 15°C 1994 | 44% |
| Sep 28 | 27°C | 29°C 2017 | 10°C 1990 | 43% | |
| Sep 29 | 27°C | 18°C | 29°C 2020 | 15°C 1976 | 42% |
| Sep 30 | 27°C | 18°C | 29°C 2017 | 12°C 2021 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- September 1
- sunrise 5:50 AM, sunset 5:35 PM
- September 30
- sunrise 5:25 AM, sunset 5:40 PM
Other months
Sources
Records: NOAA GHCN-Daily, station MA000067095, 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.