Weather in Plymouth in September
In an average September, Plymouth sees a daily high around 17°C and a low around 11°C, based on 1980–2026 of local climate records.
| Average high | 17°C |
|---|---|
| Typical high range | 15°C to 20°C |
| Average low | 11°C |
| Typical low range | 8°C to 14°C |
| Average daily precipitation | 3 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
26°C
2023-09-09
Lowest
10°C
1986-09-15
Low
Highest
18°C
2023-09-07
Lowest
3°C
2024-09-13
Feels-like
Highest
26°C
2023-09-09
Lowest
-1°C
2010-09-26
Humidity
Highest
15.8 g/m³
2023-09-08
Lowest
6.5 g/m³
2003-09-23
Wind
Highest
48 km/h
1983-09-02
Lowest
6 km/h
2005-09-18
Gust
Highest
104 km/h
1988-09-01
Lowest
14 km/h
1988-09-19
Precip
Wettest
158 mm
1993
Driest
14 mm
2014
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