Weather in Hamilton in September
In an average September, Hamilton sees a daily high around 22°C and a low around 12°C, based on 1980–2026 of local climate records.
| Average high | 22°C |
|---|---|
| Typical high range | 17°C to 27°C |
| Average low | 12°C |
| Typical low range | 7°C to 18°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
33°C
2016-09-07
Lowest
10°C
1991-09-27
Low
Highest
24°C
1983-09-10
Lowest
-1°C
1989-09-27
Feels-like
Highest
46°C
2016-09-07
Lowest
-6°C
1989-09-27
Humidity
Highest
21.4 g/m³
2026-09-02
Lowest
4.6 g/m³
1993-09-30
Wind
Highest
38 km/h
2005-09-29
Lowest
5 km/h
2006-09-16
Gust
Highest
91 km/h
2003-09-27
Lowest
13 km/h
2014-09-28
Precip
Wettest
196 mm
1986
Driest
25 mm
2023
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