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New Zealand weather

Weather in Christchurch for September 2026

Your guide to Christchurch weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Christchurch at the beginning of September is 14.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.6 °C by the end of September.

    • Rain 🌧️

  • Christchurch experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 167.7 mm.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/2°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Christchurch Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
16°
2
Overcast
15°
3
Sunny
14°
4
Sunny
14°
5
Overcast
13°
6
Sunny
14°
7
Patchy rain possible
16°
8
Sunny
11°
9
Partly cloudy
15°
10
Heavy rain at times
15°
11
Patchy rain possible
13°
12
Overcast
14°
13
Moderate or heavy rain shower
13°
14
Patchy rain possible
11°
15
Sunny
13°
16
Patchy rain possible
12°
17
Overcast
13°
18
Overcast
13°
19
Overcast
16°
20
Partly cloudy
17°
21
Patchy rain possible
15°
22
Overcast
14°
23
Patchy rain possible
13°
24
Patchy rain possible
15°
25
Patchy rain possible
13°
26
Cloudy
13°
27
Patchy rain possible
11°
28
Overcast
15°
29
Sunny
16°
30
Patchy rain possible
12°

Temperatures trend during September in Christchurch

See the weather trend as well as the moving average line

September weather in Christchurch day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Sunny
Sunny
 16° /4° 0 mm 0 cm
2 Sept. Overcast
Overcast
 15° /5° 0.6 mm 0 cm
3 Sept. Sunny
Sunny
 14° /5° 0.3 mm 0 cm
4 Sept. Sunny
Sunny
 14° /5° 0.4 mm 0 cm
5 Sept. Overcast
Overcast
 13° /4° 0.7 mm 0 cm
6 Sept. Sunny
Sunny
 14° /4° 0.7 mm 0 cm
7 Sept. Patchy rain possible
Patchy rain possible
 16° /5° 0.4 mm 0 cm
8 Sept. Sunny
Sunny
 11° /3° 1.8 mm 0 cm
9 Sept. Partly cloudy
Partly cloudy
 15° /3° 0 mm 0 cm
10 Sept. Heavy rain at times
Heavy rain at times
 15° /5° 5.5 mm 0 cm
11 Sept. Patchy rain possible
Patchy rain possible
 13° /3° 1.1 mm 0 cm
12 Sept. Overcast
Overcast
 14° /3° 0 mm 0 cm
13 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /4° 4.2 mm 0 cm
14 Sept. Patchy rain possible
Patchy rain possible
 11° /3° 2.4 mm 0 cm
15 Sept. Sunny
Sunny
 13° /3° 0 mm 0 cm
16 Sept. Patchy rain possible
Patchy rain possible
 12° /3° 0.4 mm 0 cm
17 Sept. Overcast
Overcast
 13° /5° 1.7 mm 0.2 cm
18 Sept. Overcast
Overcast
 13° /3° 1.3 mm 0 cm
19 Sept. Overcast
Overcast
 16° /4° 1 mm 0 cm
20 Sept. Partly cloudy
Partly cloudy
 17° /5° 0 mm 0 cm
21 Sept. Patchy rain possible
Patchy rain possible
 15° /7° 1.2 mm 0 cm
22 Sept. Overcast
Overcast
 14° /5° 2.4 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 13° /5° 0.8 mm 0 cm
24 Sept. Patchy rain possible
Patchy rain possible
 15° /6° 0.5 mm 0 cm
25 Sept. Patchy rain possible
Patchy rain possible
 13° /4° 1.4 mm 0 cm
26 Sept. Cloudy
Cloudy
 13° /4° 2.1 mm 0 cm
27 Sept. Patchy rain possible
Patchy rain possible
 11° /4° 2.8 mm 0 cm
28 Sept. Overcast
Overcast
 15° /4° 2.4 mm 0 cm
29 Sept. Sunny
Sunny
 16° /4° 1.6 mm 0 cm
30 Sept. Patchy rain possible
Patchy rain possible
 12° /4° 2.8 mm 0 cm
Next
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.
Change Month
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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 17° and lows near 2°, suitable for diverse activities and preferences.
How much rainfall should be expected in Christchurch during September?
Significant rainfall exceeding 167.7 mm is expected in Christchurch during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Christchurch in September 2026?
Christchurch typically sees 0.9 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 2026

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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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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