Weather in Christchurch in September 2025, September - Christchurch, Canterbury, New Zealand

Currently in Christchurch: +18°C

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Weather in September 2025 in Christchurch

The average temperature in Christchurch in September year of 2025 is +11°C. Interesting that the average daytime temperature is as +15°C while the average nightly temperature is +7°C. The September hottest day is the 9th September(Afternoon) with a temperature of about +24°C. The coldest day in Auckland in September 2025 is 29th September(Overnight). The temperature at that time is -1°C.

As a Mainly Cloudy with Precipitation month, September 2025 has 23 days with precipitation.

How Sunny Christchurch Weather in September 2025

The weather in Christchurch is quite changeable, similarly in many other places in . Talking about Christchurch weather in September 2025 can be described as "Mainly Cloudy with Precipitation".

Clear Sky vs Cloudiness	Mainly Cloudy with Precipitation
Rainy Days(Occasional Showers Included)	23
Maximum Temperature	+24°C (Afternoon, 9th September)
Minimum Temperature	-1°C (Overnight, 29th September)

Please find more detailed day by day information about September weather in Auckland in the year 2025 below.

Christchurch Weather September 2025

Early September, from 1 September, 2025 to Sun, 7 September 2025

01.09.2025, Mon
Wind: 7-8 m/s, S, Pressure: 1011-1003 hPa, Humidity: 88-90%
Overnight	+3°C	Clear Sky
Morning	+3°C	Occasional Showers
Afternoon	+7°C	Rain
Evening	+2°C	Rain
02.09.2025, Tue
Wind: 2-3 m/s, N-E, Pressure: 1023-1015 hPa, Humidity: 56-58%
Overnight	-3°C	Occasional Showers
Morning	+1°C	Mainly Cloudy
Afternoon	+10°C	Mainly Cloudy
Evening	+10°C	Mainly Cloudy
03.09.2025, Wen
Wind: 1-2 m/s, N-E, Pressure: 1028-1020 hPa, Humidity: 53-55%
Overnight	+8°C	Mainly Cloudy
Morning	+11°C	Clear Sky
Afternoon	+10°C	Clear Sky
Evening	+10°C	Clear Sky
04.09.2025, Thu
Wind: 1-2 m/s, N, Pressure: 1023-1015 hPa, Humidity: 52-54%
Overnight	0°C	Clear Sky
Morning	+4°C	Occasional Showers
Afternoon	+7°C	Occasional Showers
Evening	+6°C	Rain
05.09.2025, Fri
Wind: 2-3 m/s, E, Pressure: 1019-1011 hPa, Humidity: 61-63%
Overnight	+8°C	Rain
Morning	+10°C	Cloud
Afternoon	+12°C	Light Cloud
Evening	+11°C	Mainly Cloudy
06.09.2025, Sat
Wind: 1-2 m/s, S-W, Pressure: 1012-1004 hPa, Humidity: 73-75%
Overnight	+5°C	Cloud
Morning	+7°C	Cloud
Afternoon	+11°C	Light Cloud
Evening	+7°C	Mainly Cloudy
07.09.2025, Sun
Wind: 2-3 m/s, S, Pressure: 1035-1027 hPa, Humidity: 53-55%
Overnight	+7°C	Cloud
Morning	+10°C	Rain
Afternoon	+13°C	Mainly Cloudy
Evening	+13°C	Light Cloud

Early September, Early September, from 1 September, 2025 to Sun, 7 September, 2025

08.09.2025, Mon
Wind: 3-4 m/s, E, Pressure: 1032-1024 hPa, Humidity: 61-63%
Overnight	-1°C	Rain
Morning	+2°C	Rain
Afternoon	+9°C	Mainly Cloudy
Evening	+5°C	Light Cloud
09.09.2025, Tue
Wind: 2-3 m/s, W, Pressure: 1015-1007 hPa, Humidity: 52-54%
Overnight	+3°C	Rain
Morning	+7°C	Clear Sky
Afternoon	+22°C	Clear Sky
Evening	+13°C	Clear Sky
10.09.2025, Wen
Wind: 4-5 m/s, S,S-W, Pressure: 1017-1009 hPa, Humidity: 82-84%
Overnight	+2°C	Clear Sky
Morning	+2°C	Occasional Showers
Afternoon	+5°C	Occasional Showers
Evening	+5°C	Occasional Showers
11.09.2025, Thu
Wind: 4-5 m/s, S,S-W, Pressure: 1032-1024 hPa, Humidity: 71-73%
Overnight	+4°C	Occasional Showers
Morning	+6°C	Occasional Showers
Afternoon	+8°C	Occasional Showers
Evening	+8°C	Rain
12.09.2025, Fri
Wind: 1-2 m/s, N-E, Pressure: 1029-1021 hPa, Humidity: 54-56%
Overnight	-3°C	Rain
Morning	+1°C	Cloud
Afternoon	+8°C	Light Cloud
Evening	+7°C	Light Cloud
13.09.2025, Sat
Wind: 2-3 m/s, E,N-E, Pressure: 1025-1017 hPa, Humidity: 63-65%
Overnight	+7°C	Cloud
Morning	+13°C	Mainly Cloudy
Afternoon	+8°C	Clear Sky
Evening	+7°C	Cloud
14.09.2025, Sun
Wind: 7-8 m/s, N, Pressure: 1012-1004 hPa, Humidity: 55-57%
Overnight	+7°C	Mainly Cloudy
Morning	+8°C	Occasional Showers
Afternoon	+14°C	Thunderstorm
Evening	+12°C	Occasional Showers

Early September, from 1 September, 2025 to Sun, 7 September, 2025

15.09.2025, Mon
Wind: 9-10 m/s, N-W, Pressure: 1003-995 hPa, Humidity: 53-55%
Overnight	+5°C	Occasional Showers
Morning	+6°C	Occasional Showers
Afternoon	+14°C	Rain
Evening	+11°C	Rain
16.09.2025, Tue
Wind: 7-8 m/s, N-W, Pressure: 1015-1007 hPa, Humidity: 48-50%
Overnight	+5°C	Occasional Showers
Morning	+13°C	Clear Sky
Afternoon	+12°C	Clear Sky
Evening	+10°C	Clear Sky
17.09.2025, Wen
Wind: 12-13 m/s, W, Pressure: 1011-1003 hPa, Humidity: 50-52%
Overnight	+10°C	Clear Sky
Morning	+10°C	Cloud
Afternoon	+13°C	Cloud
Evening	+9°C	Cloud
18.09.2025, Thu
Wind: 3-4 m/s, N,N-W, Pressure: 1015-1007 hPa, Humidity: 44-46%
Overnight	-3°C	Cloud
Morning	+1°C	Occasional Showers
Afternoon	+11°C	Occasional Showers
Evening	+10°C	Thunderstorm
19.09.2025, Fri
Wind: 3-4 m/s, S, Pressure: 1025-1017 hPa, Humidity: 62-64%
Overnight	+4°C	Rain
Morning	+4°C	Mainly Cloudy
Afternoon	+8°C	Clear Sky
Evening	+5°C	Cloud
20.09.2025, Sat
Wind: 4-5 m/s, E,N-E, Pressure: 1031-1023 hPa, Humidity: 66-68%
Overnight	+2°C	Mainly Cloudy
Morning	+4°C	Cloud
Afternoon	+14°C	Light Cloud
Evening	+11°C	Light Cloud
21.09.2025, Sun
Wind: 2-3 m/s, N, Pressure: 1027-1019 hPa, Humidity: 51-53%
Overnight	+4°C	Cloud
Morning	+10°C	Rain
Afternoon	+12°C	Mainly Cloudy
Evening	+11°C	Light Cloud

Early September, from 1 September, 2025 to Sun, 7 September, 2025

22.09.2025, Mon
Wind: 3-4 m/s, N,N-W, Pressure: 1016-1008 hPa, Humidity: 51-53%
Overnight	+8°C	Rain
Morning	+15°C	Rain
Afternoon	+16°C	Mainly Cloudy
Evening	+15°C	Light Cloud
23.09.2025, Tue
Wind: 3-4 m/s, N, Pressure: 1004-996 hPa, Humidity: 54-56%
Overnight	+7°C	Rain
Morning	+7°C	Light Cloud
Afternoon	+15°C	Light Cloud
Evening	+12°C	Light Cloud
24.09.2025, Wen
Wind: 2-3 m/s, N-E, Pressure: 1004-996 hPa, Humidity: 50-52%
Overnight	+2°C	Light Cloud
Morning	+5°C	Clear Sky
Afternoon	+18°C	Clear Sky
Evening	+16°C	Clear Sky
25.09.2025, Thu
Wind: 4-5 m/s, W, Pressure: 1007-999 hPa, Humidity: 46-48%
Overnight	+7°C	Clear Sky
Morning	+7°C	Occasional Showers
Afternoon	+14°C	Rain
Evening	+11°C	Mainly Cloudy
26.09.2025, Fri
Wind: 6-7 m/s, N-E, Pressure: 1011-1003 hPa, Humidity: 31-33%
Overnight	+9°C	Rain
Morning	+16°C	Cloud
Afternoon	+22°C	Light Cloud
Evening	+17°C	Light Cloud
27.09.2025, Sat
Wind: 14-15 m/s, W,N-W, Pressure: 989-981 hPa, Humidity: 46-48%
Overnight	+6°C	Cloud
Morning	+9°C	Cloud
Afternoon	+14°C	Light Cloud
Evening	+11°C	Mainly Cloudy
28.09.2025, Sun
Wind: 12-13 m/s, N-W, Pressure: 991-983 hPa, Humidity: 58-60%
Overnight	-5°C	Cloud
Morning	-4°C	Occasional Showers
Afternoon	+5°C	Rain
Evening	-1°C	Rain

Late September, Early September, from 1 September, 2025 to Sun, 7 September, 2025

29.09.2025, Mon
Wind: 13-14 m/s, S-W, Pressure: 1004-996 hPa, Humidity: 57-59%
Overnight	-3°C	Occasional Showers
Morning	0°C	Occasional Showers
Afternoon	+4°C	Rain
Evening	+3°C	Occasional Showers
30.09.2025, Tue
Wind: 2-3 m/s, S, Pressure: 1019-1011 hPa, Humidity: 46-48%
Overnight	+1°C	Occasional Showers
Morning	+5°C	Clear Sky
Afternoon	+10°C	Clear Sky
Evening	+9°C	Clear Sky