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.
The climate of Wellington in September is notably wet, with an average of 15 rainy days.
Is September a good time to visit Wellington? check out the best time to travel to Wellington page.
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15
Dry days
15
Rainy days
0
Snow days
13°/10°
Temperatures
40 km/h
Avg max wind
80 %
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 | |
| 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.
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 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Wellington during September?
Significant rainfall exceeding 103.5 mm is expected in Wellington during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wellington during September?
The average wind speed in Wellington during September is 40 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Wellington in September?
As you prepare for your trip to Wellington in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Wellington, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Wellington
Explore the daily rainfall trends and prepare for Wellingtons September weather 💧
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