Wellington City (Wellington)
September
Weather in Wellington City for September 2026
Your guide to Wellington City weather in September - trends and predictions
Until now, September 2026 in Wellington City is slightly cooler than the historical average by 0.6 °C.
The forecast for the next days in Wellington City predicts temperatures to be around 11 °C, close to the historical average.
In general, the average temperature in Wellington City 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 City 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 City Weather September
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Temperatures trend during September in Wellington City
See the weather trend as well as the moving average line
September weather in Wellington City 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. | Overcast | 13° /10° | 4.6 mm | 4 | |
| 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 City 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 City forecast closer to your planned date for the most up-to-date weather information.
Change Month
Wellington City in September - FAQ
What are the expected maximum and minimum temperatures in Wellington City 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 City during September?
Moderate rainfall is anticipated in Wellington City 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 City during September?
The average wind speed in Wellington City during September is 42 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Wellington City
Explore the daily rainfall trends and prepare for Wellington Citys September weather 💧
Typically, Wellington City has 12 rainy days in September with a total of 78.7 mm of rainfall.
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