Weather in Christchurch for September 2025
Snowfall in Christchurch during September is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Christchurch at the beginning of September is 14.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.4 °C by the end of September.
The climate of Christchurch in September is notably wet, with an average of 14 rainy days, and a total of 41.4 mm of precipitation.
Is September a good time to visit Christchurch? check out the best time to travel to Christchurch page.
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Christchurch in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  15° | 3 15° | 4 14° | 5 12° | 6 15° | 7  17° |
| 8 12° | 9  15° | 10  15° | 11 13° | 12 15° | 13  12° | 14 11° |
| 15 12° | 16 11° | 17 12° | 18 12° | 19 17° | 20 17° | 21 15° |
| 22 12° | 23 13° | 24 15° | 25 13° | 26  13° | 27 11° | 28 14° |
| 29 17° | 30 11° |
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Temperatures trend during September in Christchurch
September weather day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 16° /5° | 0 mm | 0 cm | |
| 2 Sept. | Overcast | 15° /5° | 0.7 mm | 0 cm | |
| 3 Sept. | Sunny | 15° /6° | 0.3 mm | 0 cm | |
| 4 Sept. | Sunny | 14° /5° | 0.5 mm | 0 cm | |
| 5 Sept. | Overcast | 12° /4° | 0.9 mm | 0 cm | |
| 6 Sept. | Sunny | 15° /4° | 0.6 mm | 0 cm | |
| 7 Sept. | Patchy rain possible | 17° /5° | 0.4 mm | 0 cm | |
| 8 Sept. | Sunny | 12° /3° | 2.3 mm | 0 cm | |
| 9 Sept. | Partly cloudy | 15° /4° | 0 mm | 0 cm | |
| 10 Sept. | Heavy rain at times | 15° /6° | 3.4 mm | 0 cm | |
| 11 Sept. | Patchy rain possible | 13° /4° | 1.3 mm | 0 cm | |
| 12 Sept. | Overcast | 15° /4° | 0 mm | 0 cm | |
| 13 Sept. | Moderate or heavy rain shower | 12° /5° | 4.9 mm | 0 cm | |
| 14 Sept. | Patchy rain possible | 11° /3° | 2.9 mm | 0 cm | |
| 15 Sept. | Sunny | 12° /3° | 0 mm | 0 cm | |
| 16 Sept. | Patchy rain possible | 11° /2° | 0.4 mm | 0 cm | |
| 17 Sept. | Overcast | 12° /4° | 2.2 mm | 0.2 cm | |
| 18 Sept. | Overcast | 12° /3° | 0 mm | 0 cm | |
| 19 Sept. | Overcast | 17° /4° | 0.2 mm | 0 cm | |
| 20 Sept. | Partly cloudy | 17° /6° | 0 mm | 0 cm | |
| 21 Sept. | Patchy rain possible | 15° /7° | 1.5 mm | 0 cm | |
| 22 Sept. | Overcast | 12° /6° | 3 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 13° /5° | 1 mm | 0 cm | |
| 24 Sept. | Patchy rain possible | 15° /6° | 0.6 mm | 0 cm | |
| 25 Sept. | Patchy rain possible | 13° /5° | 0.5 mm | 0 cm | |
| 26 Sept. | Cloudy | 13° /4° | 2.6 mm | 0 cm | |
| 27 Sept. | Patchy rain possible | 11° /4° | 3.5 mm | 0 cm | |
| 28 Sept. | Sunny | 14° /3° | 3 mm | 0 cm | |
| 29 Sept. | Sunny | 17° /4° | 1.1 mm | 0 cm | |
| 30 Sept. | Patchy rain possible | 11° /4° | 3.4 mm | 0 cm | |
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Christchurch in September - FAQ
What to pack to Christchurch in September?
As you prepare for your trip to Christchurch 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 Christchurch, 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
Christchurch snow forecast September 2025
September rainfall patterns in Christchurch
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Where is Christchurch?Get accurate weather forecasts for Christchurch, located at latitude -43.533 and longitude 172.633. Stay updated with localized weather information tailored for Christchurch.