Shimokawauchi Weather in September
Average highs run from 25°C on September 1 to 21°C on September 30, and lows from 22°C to 18°C. Normal precipitation for the month is 171 mm over about 15 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
- 23°C
- Average low
- 20°C
- Precipitation
- 171 mm
- Record high
- 36°CSep 5, 1961
- Record low
- 6°CSep 29, 1960
- Daylight
- 12 h 59 min to 11 h 51 min
- Cloud cover
- 73%
- Humidity
- 84%
- Dew point
- 19°C
- Wind
- 14.8 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 | 25°C | 22°C | 34°C 1966 | 16°C 1958 | 55% |
| Sep 2 | 25°C | 22°C | 36°C 1973 | 14°C 1978 | 56% |
| Sep 3 | 25°C | 22°C | 34°C 1956 | 14°C 1957 | 56% |
| Sep 4 | 25°C | 22°C | 35°C 1983 | 13°C 1957 | 58% |
| Sep 5 | 25°C | 22°C | 36°C 1961 | 12°C 1957 | 56% |
| Sep 6 | 25°C | 22°C | 36°C 1961 | 13°C 1978 | 56% |
| Sep 7 | 25°C | 22°C | 34°C 1956 | 13°C 1951 | 56% |
| Sep 8 | 25°C | 22°C | 34°C 1956 | 13°C 1964 | 55% |
| Sep 9 | 24°C | 21°C | 35°C 1956 | 12°C 1969 | 54% |
| Sep 10 | 24°C | 21°C | 34°C 1956 | 14°C 1968 | 55% |
| Sep 11 | 24°C | 21°C | 33°C 1954 | 12°C 1981 | 55% |
| Sep 12 | 24°C | 21°C | 34°C 1975 | 12°C 1968 | 53% |
| Sep 13 | 24°C | 21°C | 31°C 1954 | 13°C 1969 | 53% |
| Sep 14 | 24°C | 21°C | 34°C 1954 | 13°C 1981 | 52% |
| Sep 15 | 24°C | 21°C | 34°C 1954 | 11°C 1963 | 51% |
| Sep 16 | 24°C | 20°C | 33°C 1975 | 10°C 1981 | 50% |
| Sep 17 | 23°C | 20°C | 32°C 2025 | 11°C 1981 | 50% |
| Sep 18 | 23°C | 20°C | 34°C 1959 | 12°C 1973 | 50% |
| Sep 19 | 23°C | 20°C | 31°C 1975 | 10°C 1961 | 48% |
| Sep 20 | 23°C | 20°C | 30°C 1962 | 10°C 1954 | 48% |
| Sep 21 | 23°C | 19°C | 31°C 1962 | 9°C 1974 | 48% |
| Sep 22 | 22°C | 19°C | 32°C 1979 | 9°C 1951 | 46% |
| Sep 23 | 22°C | 19°C | 31°C 1961 | 11°C 1951 | 47% |
| Sep 24 | 22°C | 19°C | 31°C 1960 | 9°C 1951 | 48% |
| Sep 25 | 22°C | 19°C | 31°C 1966 | 7°C 1955 | 47% |
| Sep 26 | 22°C | 19°C | 30°C 1982 | 8°C 1955 | 45% |
| Sep 27 | 22°C | 18°C | 28°C 1982 | 7°C 1962 | 46% |
| Sep 28 | 22°C | 18°C | 29°C 2025 | 7°C 1951 | 46% |
| Sep 29 | 21°C | 18°C | 29°C 1968 | 6°C 1960 | 47% |
| Sep 30 | 21°C | 18°C | 30°C 1955 | 7°C 1960 | 47% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- September 1
- sunrise 5:07 AM, sunset 6:06 PM
- September 30
- sunrise 5:31 AM, sunset 5:22 PM
Other months
Sources
Records: NOAA GHCN-Daily, station JA000047595, 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.