Christchurch
September
Weather in Christchurch for September 2025
Your guide to Christchurch weather in September - trends and predictions
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.
Snow Forecast ❄️
Temperatures
Rain 🌧️
15
Dry days
14
Rainy days
1
Snow days
13°/5°
Temperatures
22 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  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
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. | 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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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 41.4 mm across approximately 14 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Christchurch in September 2025?
Christchurch typically sees 0.23 cm of snowfall during September.
What are the typical wind conditions in Christchurch during September?
The average wind speed in Christchurch during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
Christchurch snow forecast September 2025
Track daily snowfall levels and discover Christchurch’s snowy potential this September ❄️
September rainfall patterns in Christchurch
Explore the daily rainfall trends and prepare for Christchurchs September weather 💧
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