Katsuren-haebaru Weather in September
Average highs run from 29°C on September 1 to 28°C on September 30, and lows from 28°C to 26°C. Normal precipitation for the month is 183 mm over about 18 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
- 29°C
- Average low
- 27°C
- Precipitation
- 183 mm
- Record high
- 37°CSep 9, 1967
- Record low
- 18°CSep 24, 1997
- Daylight
- 12 h 41 min to 11 h 57 min
- Cloud cover
- 56%
- Humidity
- 80%
- Dew point
- 24°C
- Wind
- 22.3 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 | 29°C | 28°C | 33°C 1963 | 21°C 1968 | 59% |
| Sep 2 | 29°C | 28°C | 33°C 1967 | 23°C 1968 | 59% |
| Sep 3 | 29°C | 28°C | 34°C 2002 | 24°C 1969 | 59% |
| Sep 4 | 29°C | 28°C | 33°C 1967 | 23°C 1984 | 59% |
| Sep 5 | 29°C | 28°C | 33°C 1978 | 23°C 1984 | 59% |
| Sep 6 | 29°C | 28°C | 33°C 1978 | 23°C 1981 | 59% |
| Sep 7 | 29°C | 28°C | 33°C 1991 | 23°C 1981 | 60% |
| Sep 8 | 29°C | 28°C | 33°C 1978 | 23°C 1969 | 61% |
| Sep 9 | 29°C | 28°C | 37°C 1967 | 23°C 1981 | 61% |
| Sep 10 | 29°C | 28°C | 35°C 1984 | 22°C 1968 | 60% |
| Sep 11 | 29°C | 28°C | 34°C 1967 | 23°C 1965 | 59% |
| Sep 12 | 29°C | 28°C | 33°C 1969 | 22°C 1965 | 60% |
| Sep 13 | 29°C | 27°C | 33°C 1996 | 22°C 1968 | 60% |
| Sep 14 | 29°C | 27°C | 34°C 1986 | 21°C 1968 | 60% |
| Sep 15 | 29°C | 27°C | 33°C 1995 | 22°C 1968 | 59% |
| Sep 16 | 29°C | 27°C | 34°C 1969 | 22°C 1968 | 59% |
| Sep 17 | 29°C | 27°C | 32°C 1983 | 22°C 1961 | 58% |
| Sep 18 | 29°C | 27°C | 32°C 1967 | 20°C 1994 | 58% |
| Sep 19 | 29°C | 27°C | 32°C 1979 | 21°C 1995 | 58% |
| Sep 20 | 28°C | 27°C | 32°C 1963 | 21°C 1967 | 57% |
| Sep 21 | 28°C | 27°C | 32°C 1963 | 21°C 1967 | 57% |
| Sep 22 | 28°C | 27°C | 32°C 1983 | 21°C 1976 | 56% |
| Sep 23 | 28°C | 27°C | 32°C 1996 | 21°C 1976 | 54% |
| Sep 24 | 28°C | 27°C | 32°C 1981 | 18°C 1997 | 52% |
| Sep 25 | 28°C | 27°C | 31°C 1969 | 21°C 1967 | 50% |
| Sep 26 | 28°C | 26°C | 31°C 1963 | 20°C 1967 | 50% |
| Sep 27 | 28°C | 26°C | 31°C 1960 | 19°C 1997 | 49% |
| Sep 28 | 28°C | 26°C | 33°C 1969 | 19°C 1997 | 48% |
| Sep 29 | 28°C | 26°C | 32°C 1978 | 19°C 1966 | 48% |
| Sep 30 | 28°C | 26°C | 32°C 1984 | 18°C 1966 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- September 1
- sunrise 6:08 AM, sunset 6:49 PM
- September 30
- sunrise 6:20 AM, sunset 6:17 PM
Other months
Sources
Records: NOAA GHCN-Daily, station JAW00042215, 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.