Yamaguma Weather in September
Average highs run from 31°C on September 1 to 25°C on September 30, and lows from to . Normal precipitation for the month is 183 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
- 29°C
- Precipitation
- 183 mm
- Record high
- 37°CSep 1, 1990
- Record low
- 10°CSep 29, 1965
- Daylight
- 12 h 52 min to 11 h 53 min
- Cloud cover
- 67%
- Humidity
- 85%
- Dew point
- 19°C
- Wind
- 9.4 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 | 31°C | 37°C 1990 | 18°C 1957 | 54% | |
| Sep 2 | 31°C | 35°C 1967 | 17°C 1951 | 54% | |
| Sep 3 | 30°C | 36°C 1967 | 16°C 1951 | 53% | |
| Sep 4 | 31°C | 36°C 2010 | 15°C 1951 | 52% | |
| Sep 5 | 31°C | 35°C 1991 | 17°C 1993 | 52% | |
| Sep 6 | 30°C | 35°C 2019 | 16°C 1951 | 51% | |
| Sep 7 | 30°C | 35°C 2025 | 13°C 1951 | 49% | |
| Sep 8 | 30°C | 34°C 2019 | 15°C 1965 | 49% | |
| Sep 9 | 30°C | 35°C 2003 | 15°C 1957 | 49% | |
| Sep 10 | 29°C | 35°C 1977 | 15°C 1953 | 48% | |
| Sep 11 | 30°C | 35°C 2010 | 15°C 1962 | 46% | |
| Sep 12 | 29°C | 35°C 2022 | 15°C 1965 | 44% | |
| Sep 13 | 29°C | 22°C | 34°C 2022 | 16°C 1982 | 42% |
| Sep 14 | 29°C | 34°C 2022 | 14°C 1957 | 41% | |
| Sep 15 | 29°C | 35°C 2007 | 14°C 1966 | 40% | |
| Sep 16 | 29°C | 35°C 1959 | 14°C 1974 | 40% | |
| Sep 17 | 28°C | 34°C 2011 | 15°C 1954 | 40% | |
| Sep 18 | 29°C | 35°C 2007 | 12°C 1961 | 38% | |
| Sep 19 | 29°C | 36°C 1999 | 12°C 1951 | 37% | |
| Sep 20 | 28°C | 36°C 1998 | 10°C 1951 | 36% | |
| Sep 21 | 28°C | 34°C 2010 | 10°C 1951 | 35% | |
| Sep 22 | 27°C | 33°C 2010 | 13°C 1952 | 36% | |
| Sep 23 | 27°C | 31°C 1999 | 10°C 1952 | 36% | |
| Sep 24 | 27°C | 33°C 2025 | 13°C 1963 | 36% | |
| Sep 25 | 27°C | 32°C 2025 | 13°C 1976 | 34% | |
| Sep 26 | 27°C | 30°C 2017 | 13°C 1967 | 33% | |
| Sep 27 | 27°C | 33°C 2007 | 12°C 1962 | 33% | |
| Sep 28 | 27°C | 32°C 2019 | 11°C 1987 | 33% | |
| Sep 29 | 25°C | 30°C 1967 | 10°C 1965 | 32% | |
| Sep 30 | 25°C | 32°C 1998 | 11°C 1965 | 31% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- September 1
- sunrise 5:51 AM, sunset 6:43 PM
- September 30
- sunrise 6:11 AM, sunset 6:04 PM
Other months
Sources
Records: NOAA GHCN-Daily, station JA000047807, 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.