Wellington
September
Weather in Wellington for September 2026
Your guide to Wellington weather in September - trends and predictions
Until now, September 2026 in Wellington is slightly cooler than the historical average by 0.7 °C.
Expect cooler weather in the next days in Wellington with the forecast suggesting a temperature of 11.6 °C, lower than the historical average.
In general, the average temperature in Wellington at the beginning of September is 12.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 11.4 °C by the end of September.
The climate of Wellington in September is notably wet, with an average of 12 rainy days, and a total of 78.7 mm of precipitation.
Temperatures
Rain 🌧️
18
Dry days
12
Rainy days
0
Snow days
13°/9°
Temperatures
42 km/h
Avg max wind
77 %
Avg humidity
Wellington Weather September
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Temperatures trend during September in Wellington
See the weather trend as well as the moving average line
September weather in Wellington day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 13° /8° | 3.5 mm | 3 | |
| 2 Sept. | Patchy rain possible | 13° /9° | 0 mm | 3 | |
| 3 Sept. | Patchy rain possible | 13° /9° | 1 mm | 3 | |
| 4 Sept. |  Partly cloudy | 13° /9° | 2.2 mm | 4 | |
| 5 Sept. |  Patchy light drizzle | 13° /9° | 4.1 mm | 3 | |
| 6 Sept. | Light rain shower | 13° /8° | 5.5 mm | 3 | |
| 7 Sept. |  Moderate rain at times | 12° /8° | 12.4 mm | 3 | |
| 8 Sept. |  Sunny | 12° /7° | 0.3 mm | 4 | |
| 9 Sept. | Sunny | 13° /8° | 0.4 mm | 4 | |
| 10 Sept. | Sunny | 13° /8° | 4.2 mm | 3 | |
| 11 Sept. | Patchy rain possible | 12° /8° | 1.1 mm | 4 | |
| 12 Sept. | Patchy rain possible | 12° /8° | 0.1 mm | 3 | |
| 13 Sept. | Sunny | 13° /9° | 1.3 mm | 4 | |
| 14 Sept. |  Overcast | 12° /8° | 1.1 mm | 4 | |
| 15 Sept. | Patchy rain possible | 13° /8° | 1 mm | 4 | |
| 16 Sept. | Overcast | 13° /10° | 3.9 mm | 4 | |
| 17 Sept. | Patchy rain possible | 13° /8° | 20 mm | 3.2 | |
| 18 Sept. | Patchy rain possible | 12° /8° | 1.9 mm | 4.4 | |
| 19 Sept. | Patchy rain possible | 12° /8° | 0.2 mm | 5 | |
| 20 Sept. | Overcast | 12° /7° | 1.4 mm | 5.3 | |
| 21 Sept. | Sunny | 12° /8° | 0.2 mm | 5.4 | |
| 22 Sept. | Sunny | 12° /7° | 1 mm | 4 | |
| 23 Sept. | Light rain shower | 9° /7° | 2.7 mm | 3 | |
| 24 Sept. | Patchy rain possible | 8° /6° | 1.1 mm | 4 | |
| 25 Sept. | Sunny | 12° /6° | 0 mm | 5 | |
| 26 Sept. | Sunny | 14° /10° | 1.6 mm | 5 | |
| 27 Sept. | Overcast | 10° /8° | 0 mm | 5 | |
| 28 Sept. | Sunny | 13° /8° | 0 mm | 5 | |
| 29 Sept. | Light rain shower | 12° /9° | 17.3 mm | 4 | |
| 30 Sept. | Patchy rain possible | 11° /7° | 2.6 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Wellington in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Wellington forecast closer to your planned date for the most up-to-date weather information.
Change Month
Wellington in September - FAQ
What are the expected maximum and minimum temperatures in Wellington during September?
During September, expect a variety of temperatures with highs around 13° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Wellington during September?
Moderate rainfall is anticipated in Wellington during September, with a total of 78.7 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Wellington during September?
The average wind speed in Wellington during September is 42 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Wellington
Explore the daily rainfall trends and prepare for Wellingtons September weather 💧
Typically, Wellington has 12 rainy days in September with a total of 78.7 mm of rainfall.
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