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Weather in Christchurch for September 2026

Your guide to Christchurch weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Christchurch during September is quite rare, with fewer than 2 snowy days on average.
    According to Christchurch snow forecast for September 2026, no snow is expected until the end of the month.

  • Temperatures

  • Until now, September 2026 in Christchurch has been nearly identical to the historical average, with a temperature of 13.1 °C (showing only a slight deviation of 0.5 °C).

  • Expect cooler weather in the next days in Christchurch with the forecast suggesting a temperature of 11.9 °C, lower than the historical average.

  • In general, the average temperature in Christchurch at the beginning of September is 14.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 12.6 °C by the end of September.

  • Rain 🌧️

  • The climate of Christchurch in September is notably wet, with an average of 15 rainy days, and a total of 40.7 mm of precipitation.

Average dry days
14
Dry days
Average rainy days
15
Rainy days
Average snowy days
1
Snow days
Average temperatures
13°/5°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Christchurch Weather September

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Temperatures trend during September in Christchurch

See the weather trend as well as the moving average line

September weather in Christchurch day by day

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Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
15° /4° 0 mm 5
2 Sept. Overcast
Overcast
15° /4° 0.5 mm 4
3 Sept. Sunny
Sunny
15° /6° 0.2 mm 5
4 Sept. Sunny
Sunny
14° /5° 0.5 mm 4
5 Sept. Overcast
Overcast
13° /4° 0.6 mm 4
6 Sept. Light drizzle
Light drizzle
13° /4° 2.3 mm 4
7 Sept. Patchy rain possible
Patchy rain possible
15° /4° 0.7 mm 4
8 Sept. Sunny
Sunny
11° /3° 1.5 mm 4
9 Sept. Overcast
Overcast
14° /3° 0 mm 4
10 Sept. Heavy rain at times
Heavy rain at times
14° /5° 5.4 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
13° /3° 1 mm 4
12 Sept. Overcast
Overcast
14° /3° 0 mm 4
13 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
13° /4° 3.5 mm 4
14 Sept. Patchy rain possible
Patchy rain possible
12° /3° 2 mm 3
15 Sept. Sunny
Sunny
13° /3° 0 mm 4
16 Sept. Patchy rain possible
Patchy rain possible
13° /4° 0.4 mm 3
17 Sept. Patchy rain possible
Patchy rain possible
9° /5° 5.7 mm 0.7
18 Sept. Sunny
Sunny
11° /6° 0 mm 3.7
19 Sept. Overcast
Overcast
16° /7° 0 mm 3.8
20 Sept. Sunny
Sunny
11° /5° 2 mm 4.4
21 Sept. Sunny
Sunny
11° /6° 0 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
11° /7° 2.5 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
9° /5° 4.8 mm 4
24 Sept. Overcast
Overcast
10° /4° 0.3 mm 4
25 Sept. Sunny
Sunny
11° /7° 1.4 mm 5
26 Sept. Overcast
Overcast
13° /7° 0 mm 4
27 Sept. Overcast
Overcast
13° /10° 1 mm 5
28 Sept. Sunny
Sunny
13° /9° 0.4 mm 5
29 Sept. Sunny
Sunny
13° /11° 0 mm 5
30 Sept. Sunny
Sunny
15° /11° 0 mm 5
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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 40.7 mm across approximately 15 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Christchurch in September 2026?

Christchurch typically sees 0.2 cm of snowfall during September.

What are the typical wind conditions in Christchurch during September?

The average wind speed in Christchurch during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Christchurch

Explore the daily rainfall trends and prepare for Christchurchs September weather 💧
Typically, Christchurch has 15 rainy days in September with a total of 40.7 mm of rainfall.

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Location coordinates 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.

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