Weather in Niigata, Japan in September
In an average September, Niigata sees a daily high around 25°C and a low around 22°C, based on 1981–2026 of local climate records.
| Average high | 25°C |
|---|---|
| Typical high range | 22°C to 28°C |
| Average low | 22°C |
| Typical low range | 20°C to 25°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
32°C
2020-09-03
Lowest
17°C
1981-09-29
Low
Highest
28°C
2010-09-06
Lowest
16°C
2001-09-23
Feels-like
Highest
44°C
2020-09-03
Lowest
16°C
2001-09-23
Humidity
Highest
24.3 g/m³
2025-09-02
Lowest
8.3 g/m³
1984-09-27
Wind
Highest
103 km/h
1991-09-28
Lowest
6 km/h
2014-09-15
Precip
Wettest
376 mm
2025
Driest
40 mm
2009
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