Weather in Tainan in September
In an average September, Tainan sees a daily high around 29°C and a low around 23°C, based on 1980–2026 of local climate records.
| Average high | 29°C |
|---|---|
| Typical high range | 27°C to 30°C |
| Average low | 23°C |
| Typical low range | 22°C to 24°C |
| Average daily precipitation | 13 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
33°C
2014-09-15
Lowest
23°C
1995-09-20
Low
Highest
26°C
2014-09-14
Lowest
18°C
1994-09-30
Feels-like
Highest
46°C
2014-09-15
Lowest
23°C
1995-09-20
Humidity
Highest
23.5 g/m³
2026-09-03
Lowest
14.8 g/m³
2000-09-13
Wind
Highest
49 km/h
2016-09-27
Lowest
4 km/h
2025-09-23
Gust
Highest
144 km/h
2010-09-19
Lowest
15 km/h
2010-09-26
Precip
Wettest
1165 mm
2001
Driest
99 mm
2020
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