Weather in Wellington City for September 2025
In general, the average temperature in Wellington City 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 City in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 89.9 mm.
Is September a good time to visit Wellington City? check out the best time to travel to Wellington City page.
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Wellington City in September average weather
| 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 City
September weather day by day
| 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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Wellington City in September - FAQ
What to pack to Wellington City in September?
As you prepare for your trip to Wellington City 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 City, 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 City
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Where is Wellington City?Get accurate weather forecasts for Wellington City, located at latitude -41.287 and longitude 174.776. Stay updated with localized weather information tailored for Wellington City.