Weather in Brighton in September
In an average September, Brighton sees a daily high around 18°C and a low around 12°C, based on 1980–2026 of local climate records.
| Average high | 18°C |
|---|---|
| Typical high range | 16°C to 22°C |
| Average low | 12°C |
| Typical low range | 8°C to 15°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
29°C
2023-09-09
Lowest
10°C
1993-09-27
Low
Highest
18°C
2026-09-03
Lowest
3°C
2018-09-25
Feels-like
Highest
33°C
2023-09-09
Lowest
0°C
2018-09-25
Humidity
Highest
16.0 g/m³
2024-09-01
Lowest
5.7 g/m³
2003-09-24
Wind
Highest
50 km/h
1981-09-19
Lowest
6 km/h
1985-09-25
Gust
Highest
99 km/h
1981-09-20
Lowest
13 km/h
1985-09-09
Precip
Wettest
141 mm
2024
Driest
10 mm
1997
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