Weather in Wellington in September
In an average September, Wellington sees a daily high around 12°C and a low around 10°C, based on 1980–2026 of local climate records.
| Average high | 12°C |
|---|---|
| Typical high range | 10°C to 14°C |
| Average low | 10°C |
| Typical low range | 8°C to 12°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
16°C
1989-09-26
Lowest
7°C
1995-09-08
Low
Highest
14°C
2025-09-28
Lowest
5°C
1983-09-14
Feels-like
Highest
14°C
2025-09-28
Lowest
-1°C
2004-09-18
Humidity
Highest
11.1 g/m³
2000-09-30
Lowest
4.5 g/m³
1981-09-05
Wind
Highest
69 km/h
2023-09-17
Lowest
8 km/h
1995-09-10
Gust
Highest
110 km/h
1994-09-06
Lowest
16 km/h
1993-09-30
Precip
Wettest
142 mm
1983
Driest
17 mm
2001
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