Wellington
September
Weather in Wellington for September 2025
Your guide to Wellington weather in September - trends and predictions
In general, the average temperature in Wellington at the beginning of September is 13.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 12.3 °C by the end of September.
Wellington in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 89.9 mm.
Temperatures
Rain 🌧️
10
Dry days
20
Rainy days
0
Snow days
13°/9°
Temperatures
41 km/h
Avg max wind
79 %
Avg humidity
Wellington in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  13° | 3 14° | 4  13° | 5  13° | 6  13° | 7  14° |
| 8  14° | 9 14° | 10 13° | 11 13° | 12 12° | 13 13° | 14 12° |
| 15  12° | 16 12° | 17 12° | 18 13° | 19 14° | 20 14° | 21 13° |
| 22 14° | 23 14° | 24 13° | 25 11° | 26 12° | 27 11° | 28 13° |
| 29 13° | 30 13° |
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Temperatures trend during September in Wellington
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 13° /10° | 6.9 mm | 4 | |
| 2 Sept. | Cloudy | 13° /10° | 0 mm | 4 | |
| 3 Sept. | Overcast | 14° /8° | 1.7 mm | 4 | |
| 4 Sept. | Partly cloudy | 13° /8° | 3.2 mm | 5 | |
| 5 Sept. | Patchy light drizzle | 13° /8° | 2.7 mm | 4 | |
| 6 Sept. | Light rain shower | 13° /10° | 2.8 mm | 4 | |
| 7 Sept. | Moderate rain at times | 14° /10° | 5.8 mm | 4 | |
| 8 Sept. | Sunny | 14° /8° | 0.2 mm | 5 | |
| 9 Sept. | Sunny | 14° /10° | 0.6 mm | 4 | |
| 10 Sept. | Sunny | 13° /10° | 0.7 mm | 5 | |
| 11 Sept. | Light rain shower | 13° /9° | 2 mm | 4 | |
| 12 Sept. | Cloudy | 12° /8° | 0 mm | 4 | |
| 13 Sept. | Sunny | 13° /10° | 2.4 mm | 4 | |
| 14 Sept. | Overcast | 12° /9° | 0.6 mm | 4 | |
| 15 Sept. | Moderate rain | 12° /8° | 2 mm | 4 | |
| 16 Sept. | Overcast | 12° /9° | 7.3 mm | 4 | |
| 17 Sept. | Overcast | 12° /9° | 6.5 mm | 4 | |
| 18 Sept. | Sunny | 13° /8° | 0.1 mm | 4 | |
| 19 Sept. | Patchy rain possible | 14° /10° | 0.2 mm | 4 | |
| 20 Sept. | Patchy rain possible | 14° /12° | 0.1 mm | 4 | |
| 21 Sept. | Patchy rain possible | 13° /11° | 0.2 mm | 4 | |
| 22 Sept. | Light rain shower | 14° /12° | 1.6 mm | 4 | |
| 23 Sept. | Light rain | 14° /9° | 12.4 mm | 4 | |
| 24 Sept. | Light rain shower | 13° /8° | 2.5 mm | 4 | |
| 25 Sept. | Light drizzle | 11° /8° | 1.9 mm | 4 | |
| 26 Sept. | Light drizzle | 12° /9° | 5.6 mm | 4 | |
| 27 Sept. | Light rain | 11° /6° | 11.5 mm | 3 | |
| 28 Sept. | Patchy rain possible | 13° /7° | 0.9 mm | 4 | |
| 29 Sept. | Patchy light drizzle | 13° /8° | 2.3 mm | 4 | |
| 30 Sept. | Light rain shower | 13° /7° | 5 mm | 4 | |
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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.
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 89.9 mm spread over approximately 20 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 41 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 💧
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