Rezé Weather in September
Average highs run from 24°C on September 1 to 20°C on September 30, and lows from 13°C to 10°C. Normal precipitation for the month is 60 mm over about 9 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
- 22°C
- Average low
- 12°C
- Precipitation
- 60 mm
- Record high
- 35°CSep 9, 2023
- Record low
- 3°CSep 19, 1952
- Daylight
- 13 h 21 min to 11 h 44 min
- Cloud cover
- 58%
- Humidity
- 77%
- Dew point
- 12°C
- Wind
- 14.4 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 | 24°C | 13°C | 34°C 1961 | 6°C 1982 | 25% |
| Sep 2 | 24°C | 12°C | 33°C 1962 | 7°C 1986 | 25% |
| Sep 3 | 24°C | 13°C | 33°C 2005 | 7°C 1953 | 26% |
| Sep 4 | 24°C | 13°C | 35°C 2023 | 6°C 1976 | 26% |
| Sep 5 | 24°C | 13°C | 33°C 2023 | 6°C 1992 | 26% |
| Sep 6 | 24°C | 13°C | 34°C 2023 | 6°C 2019 | 27% |
| Sep 7 | 24°C | 13°C | 34°C 2021 | 5°C 1952 | 27% |
| Sep 8 | 24°C | 12°C | 35°C 2023 | 5°C 1952 | 28% |
| Sep 9 | 24°C | 13°C | 35°C 2023 | 6°C 1992 | 28% |
| Sep 10 | 24°C | 13°C | 33°C 2000 | 4°C 1965 | 29% |
| Sep 11 | 23°C | 13°C | 33°C 2000 | 4°C 1972 | 29% |
| Sep 12 | 22°C | 13°C | 35°C 2022 | 5°C 1972 | 30% |
| Sep 13 | 22°C | 12°C | 32°C 1964 | 5°C 1952 | 31% |
| Sep 14 | 22°C | 12°C | 33°C 2020 | 6°C 1996 | 31% |
| Sep 15 | 22°C | 11°C | 32°C 1947 | 4°C 1955 | 32% |
| Sep 16 | 22°C | 11°C | 31°C 1982 | 4°C 1957 | 32% |
| Sep 17 | 22°C | 11°C | 32°C 1987 | 5°C 1962 | 32% |
| Sep 18 | 22°C | 12°C | 32°C 1987 | 5°C 2017 | 32% |
| Sep 19 | 21°C | 11°C | 32°C 1987 | 3°C 1952 | 33% |
| Sep 20 | 23°C | 11°C | 29°C 2003 | 4°C 1977 | 32% |
| Sep 21 | 22°C | 12°C | 31°C 1989 | 4°C 1952 | 31% |
| Sep 22 | 22°C | 12°C | 28°C 2010 | 4°C 1950 | 33% |
| Sep 23 | 22°C | 11°C | 29°C 1983 | 4°C 1954 | 34% |
| Sep 24 | 21°C | 11°C | 29°C 1983 | 4°C 1973 | 35% |
| Sep 25 | 20°C | 11°C | 27°C 1997 | 5°C 2002 | 37% |
| Sep 26 | 21°C | 10°C | 28°C 1985 | 3°C 2010 | 38% |
| Sep 27 | 21°C | 11°C | 31°C 1985 | 5°C 2020 | 39% |
| Sep 28 | 21°C | 11°C | 30°C 1985 | 5°C 1957 | 40% |
| Sep 29 | 21°C | 11°C | 30°C 1985 | 3°C 2007 | 41% |
| Sep 30 | 20°C | 10°C | 31°C 1985 | 3°C 1974 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- September 1
- sunrise 7:25 AM, sunset 8:46 PM
- September 30
- sunrise 8:04 AM, sunset 7:48 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FRM00007222, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.