Christchurch
September
Weather in Christchurch for September 2025
Your guide to Christchurch weather in September - trends and predictions
In general, the average temperature in Christchurch at the beginning of September is 15 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.9 °C by the end of September.
The climate of Christchurch in September is notably wet, with an average of 11 rainy days.
Is September a good time to visit Christchurch? check out the best time to travel to Christchurch page.
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19
Dry days
11
Rainy days
0
Snow days
13°/5°
Temperatures
24 km/h
Avg max wind
75 %
Avg humidity
Christchurch in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  16° | 3  13° | 4 11° | 5  12° | 6 17° | 7  19° |
| 8 14° | 9 15° | 10 17° | 11 14° | 12 15° | 13 10° | 14 12° |
| 15 11° | 16 13° | 17 13° | 18 13° | 19 17° | 20 18° | 21 15° |
| 22  13° | 23 11° | 24 12° | 25 10° | 26 14° | 27 8° | 28 13° |
| 29 15° | 30 11° |
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Temperatures trend during September in Christchurch
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 17° /5° | 0 mm | 0 cm | |
| 2 Sept. | Sunny | 16° /6° | 0 mm | 0 cm | |
| 3 Sept. | Patchy rain possible | 13° /7° | 0.6 mm | 0 cm | |
| 4 Sept. | Patchy rain possible | 11° /6° | 0.8 mm | 0 cm | |
| 5 Sept. | Mist | 12° /4° | 0.2 mm | 0 cm | |
| 6 Sept. | Light rain shower | 17° /6° | 0.9 mm | 0 cm | |
| 7 Sept. | Partly cloudy | 19° /7° | 0.6 mm | 0 cm | |
| 8 Sept. | Sunny | 14° /4° | 0 mm | 0 cm | |
| 9 Sept. | Sunny | 15° /6° | 0 mm | 0 cm | |
| 10 Sept. | Partly cloudy | 17° /6° | 2.5 mm | 0 cm | |
| 11 Sept. | Patchy rain possible | 14° /4° | 1.3 mm | 0 cm | |
| 12 Sept. | Overcast | 15° /4° | 0 mm | 0 cm | |
| 13 Sept. | Sunny | 10° /4° | 4.7 mm | 0 cm | |
| 14 Sept. | Overcast | 12° /4° | 1.1 mm | 0 cm | |
| 15 Sept. | Overcast | 11° /5° | 0.1 mm | 0 cm | |
| 16 Sept. | Overcast | 13° /3° | 0.1 mm | 0 cm | |
| 17 Sept. | Light rain shower | 13° /5° | 4.4 mm | 0.5 cm | |
| 18 Sept. | Sunny | 13° /3° | 0 mm | 0 cm | |
| 19 Sept. | Sunny | 17° /5° | 0 mm | 0 cm | |
| 20 Sept. | Overcast | 18° /6° | 0 mm | 0 cm | |
| 21 Sept. | Partly cloudy | 15° /7° | 0.3 mm | 0 cm | |
| 22 Sept. | Light rain | 13° /5° | 6 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 11° /4° | 1.5 mm | 0 cm | |
| 24 Sept. | Patchy rain possible | 12° /4° | 1.2 mm | 0 cm | |
| 25 Sept. | Patchy rain possible | 10° /3° | 0.1 mm | 0 cm | |
| 26 Sept. | Overcast | 14° /3° | 0.2 mm | 0 cm | |
| 27 Sept. | Light drizzle | 8° /3° | 6.3 mm | 0 cm | |
| 28 Sept. | Patchy rain possible | 13° /2° | 5.3 mm | 0 cm | |
| 29 Sept. | Partly cloudy | 15° /3° | 0.5 mm | 0 cm | |
| 30 Sept. | Light rain shower | 11° /4° | 3.7 mm | 0 cm | |
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Important Notice
Our weather forecast for Christchurch 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 Christchurch forecast closer to your planned date for the most up-to-date weather information.
Christchurch in September - FAQ
What are the expected maximum and minimum temperatures in Christchurch during September?
During September, expect a variety of temperatures with highs around 13° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Christchurch during September?
In September, Christchurch can expect light to moderate rainfall, totaling 49.4 mm across approximately 11 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Christchurch during September?
The average wind speed in Christchurch during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
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
September rainfall patterns in Christchurch
Explore the daily rainfall trends and prepare for Christchurchs September weather 💧
September snowfall in Christchurch
Track daily snowfall levels and discover Christchurch’s snowy potential this September ❄️
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