Te Anau Weather in September
What's the weather like in Te Anau (Southland) in September 2025?
The climate in Te Anau during September can be summarized as cool and wet.
September is in the spring in Te Anau and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 13°C (54°F), whilst at night 3°C (37°F) is normal.
| Daytime temperature | 12.5°C 54.4°F |
|---|---|
| Nightly temperature | 2.6°C 36.6°F |
| Average temperature | 7.5°C 45.5°F |
| Daily sunshine | 4.9 hrs |
| Avg rainfall | 153 mm 6 ins |
| Rainy days | 14 days |
| Sea temperature | 11.4°C 52.5°F |
| Humidity | 83% |
| Windspeed | 15.8kph 10 mph |
On average September is the 5th wettest month of the year in Te Anau with around 153mm 6 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
September temperatures in Te Anau
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Te Anau in September 2025.
Other monthly averages
Best places to visit in September
Te Anau weather stats
| Hottest month: | February | 19.8°C 67.6°F |
|---|---|---|
| Driest month: | July | 113mm 4.4ins |
| Sunniest month: | February | 6.8hrs |
| Coldest month: | July | 7.6°C 45.7°F |
| Wettest month: | January | 169mm 6.7ins |
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