Weather in Hiroshima, Japan in September
In an average September, Hiroshima sees a daily high around 27°C and a low around 18°C, based on 1981–2026 of local climate records.
| Average high | 27°C |
|---|---|
| Typical high range | 23°C to 30°C |
| Average low | 18°C |
| Typical low range | 13°C to 22°C |
| Average daily precipitation | 5 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
36°C
1994-09-01
Lowest
17°C
1987-09-27
Low
Highest
25°C
2024-09-15
Lowest
6°C
1987-09-28
Feels-like
Highest
50°C
2010-09-03
Lowest
2°C
1987-09-28
Humidity
Highest
23.5 g/m³
2024-09-15
Lowest
7.0 g/m³
1987-09-27
Wind
Highest
80 km/h
1991-09-27
Lowest
6 km/h
1999-09-13
Precip
Wettest
426 mm
2018
Driest
56 mm
2009
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