Weather in Okayama in September
In an average September, Okayama sees a daily high around 29°C and a low around 21°C, based on 1980–2026 of local climate records.
| Average high | 29°C |
|---|---|
| Typical high range | 25°C to 33°C |
| Average low | 21°C |
| Typical low range | 17°C to 25°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
38°C
2025-09-02
Lowest
18°C
2008-09-29
Low
Highest
29°C
2022-09-05
Lowest
8°C
1987-09-27
Feels-like
Highest
53°C
1997-09-02
Lowest
6°C
1987-09-27
Humidity
Highest
24.8 g/m³
2024-09-19
Lowest
7.5 g/m³
1987-09-27
Wind
Highest
59 km/h
1991-09-27
Lowest
5 km/h
1993-09-20
Gust
Highest
162 km/h
1993-09-03
Lowest
14 km/h
2021-09-05
Precip
Wettest
436 mm
2018
Driest
44 mm
2009
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