Antananarivo Weather in September
Average highs run from 19°C on September 1 to 22°C on September 30, and lows from 9°C to 11°C. Normal precipitation for the month is 48 mm over about 12 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
- 21°C
- Average low
- 10°C
- Precipitation
- 48 mm
- Record high
- 32°CSep 17, 2017
- Record low
- 2°CSep 5, 2020
- Daylight
- 11 h 44 min to 12 h 14 min
- Cloud cover
- 43%
- Humidity
- 83%
- Dew point
- 11°C
- Wind
- 14.0 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 | 19°C | 9°C | 27°C 2014 | 7°C 1995 | 51% |
| Sep 2 | 19°C | 9°C | 27°C 2014 | 5°C 2001 | 51% |
| Sep 3 | 19°C | 9°C | 27°C 2017 | 6°C 2016 | 50% |
| Sep 4 | 20°C | 10°C | 30°C 1983 | 7°C 1984 | 49% |
| Sep 5 | 20°C | 10°C | 27°C 1987 | 2°C 2020 | 48% |
| Sep 6 | 20°C | 10°C | 29°C 1984 | 8°C 1994 | 47% |
| Sep 7 | 20°C | 10°C | 29°C 1984 | 3°C 1986 | 47% |
| Sep 8 | 20°C | 10°C | 29°C 2000 | 7°C 1993 | 46% |
| Sep 9 | 20°C | 10°C | 27°C 1984 | 6°C 1975 | 46% |
| Sep 10 | 20°C | 10°C | 28°C 2003 | 7°C 1979 | 45% |
| Sep 11 | 20°C | 10°C | 29°C 1983 | 7°C 2013 | 44% |
| Sep 12 | 20°C | 10°C | 28°C 2018 | 5°C 1975 | 44% |
| Sep 13 | 21°C | 10°C | 32°C 2024 | 7°C 2005 | 44% |
| Sep 14 | 21°C | 10°C | 29°C 2014 | 6°C 2014 | 44% |
| Sep 15 | 21°C | 10°C | 29°C 1983 | 6°C 1975 | 42% |
| Sep 16 | 21°C | 10°C | 28°C 1991 | 7°C 1991 | 41% |
| Sep 17 | 21°C | 10°C | 32°C 2017 | 7°C 1988 | 41% |
| Sep 18 | 21°C | 10°C | 32°C 2017 | 7°C 1985 | 41% |
| Sep 19 | 21°C | 10°C | 29°C 1992 | 6°C 2011 | 41% |
| Sep 20 | 21°C | 10°C | 31°C 2024 | 6°C 2016 | 40% |
| Sep 21 | 21°C | 10°C | 28°C 1997 | 8°C 2010 | 39% |
| Sep 22 | 21°C | 10°C | 29°C 2020 | 5°C 1991 | 38% |
| Sep 23 | 22°C | 10°C | 29°C 2020 | 5°C 1988 | 38% |
| Sep 24 | 22°C | 10°C | 29°C 2009 | 7°C 1988 | 37% |
| Sep 25 | 22°C | 11°C | 30°C 1984 | 8°C 1974 | 37% |
| Sep 26 | 22°C | 11°C | 30°C 1997 | 8°C 1985 | 37% |
| Sep 27 | 22°C | 11°C | 29°C 1979 | 8°C 1980 | 37% |
| Sep 28 | 22°C | 11°C | 29°C 2013 | 7°C 1988 | 37% |
| Sep 29 | 22°C | 11°C | 29°C 2019 | 6°C 1988 | 36% |
| Sep 30 | 22°C | 11°C | 30°C 2013 | 7°C 1988 | 37% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- September 1
- sunrise 5:58 AM, sunset 5:42 PM
- September 30
- sunrise 5:33 AM, sunset 5:47 PM
Other months
Sources
Records: NOAA GHCN-Daily, station MA000067083, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.