Weather in Hiroshima in September
In an average September, Hiroshima sees a daily high around 27°C and a low around 19°C, based on 1980–2026 of local climate records.
| Average high | 27°C |
|---|---|
| Typical high range | 23°C to 31°C |
| Average low | 19°C |
| Typical low range | 15°C to 23°C |
| Average daily precipitation | 5 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
35°C
2023-09-04
Lowest
16°C
2008-09-29
Low
Highest
27°C
2020-09-02
Lowest
7°C
1987-09-27
Feels-like
Highest
48°C
1997-09-02
Lowest
4°C
1987-09-27
Humidity
Highest
23.5 g/m³
2024-09-16
Lowest
6.8 g/m³
1987-09-27
Wind
Highest
63 km/h
2004-09-07
Lowest
4 km/h
1999-09-21
Gust
Highest
190 km/h
2004-09-07
Lowest
15 km/h
1990-09-07
Precip
Wettest
508 mm
1989
Driest
56 mm
2024
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