Weather in Hamilton in September 2025, September - Hamilton, Waikato, New Zealand

Currently in Hamilton: +14°C

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Weather in September 2025 in Hamilton

The average temperature in Hamilton 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 25th September(Afternoon) with a temperature of about +20°C. The coldest day in Auckland in September 2025 is 9th September(Overnight). The temperature at that time is -4°C.

As a Mainly Cloudy with Precipitation month, September 2025 has 26 days with precipitation.

How Sunny Hamilton Weather in September 2025

The weather in Hamilton is quite changeable, similarly in many other places in . Talking about Hamilton 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)	26
Maximum Temperature	+20°C (Afternoon, 25th September)
Minimum Temperature	-4°C (Overnight, 9th September)

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

Hamilton Weather September 2025

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

01.09.2025, Mon
Wind: 5-6 m/s, W, Pressure: 1015-1007 hPa, Humidity: 70-72%
Overnight	+3°C	Clear Sky
Morning	+8°C	Occasional Showers
Afternoon	+7°C	Rain
Evening	+14°C	Rain
02.09.2025, Tue
Wind: 5-6 m/s, S,S-W, Pressure: 1013-1005 hPa, Humidity: 69-71%
Overnight	+4°C	Occasional Showers
Morning	+10°C	Occasional Showers
Afternoon	+10°C	Occasional Showers
Evening	+10°C	Occasional Showers
03.09.2025, Wen
Wind: 2-3 m/s, S,S-W, Pressure: 1027-1019 hPa, Humidity: 57-59%
Overnight	-1°C	Occasional Showers
Morning	-1°C	Clear Sky
Afternoon	+6°C	Clear Sky
Evening	+4°C	Clear Sky
04.09.2025, Thu
Wind: 0-1 m/s, S,S-W, Pressure: 1027-1019 hPa, Humidity: 58-60%
Overnight	+6°C	Clear Sky
Morning	+10°C	Occasional Showers
Afternoon	+10°C	Rain
Evening	+14°C	Cloud
05.09.2025, Fri
Wind: 4-5 m/s, W, Pressure: 1024-1016 hPa, Humidity: 73-75%
Overnight	+3°C	Rain
Morning	+8°C	Mainly Cloudy
Afternoon	+10°C	Clear Sky
Evening	+10°C	Cloud
06.09.2025, Sat
Wind: 5-6 m/s, W,N-W, Pressure: 1021-1013 hPa, Humidity: 78-80%
Overnight	+5°C	Mainly Cloudy
Morning	+7°C	Cloud
Afternoon	+16°C	Light Cloud
Evening	+16°C	Mainly Cloudy
07.09.2025, Sun
Wind: 3-4 m/s, S-E, Pressure: 1029-1021 hPa, Humidity: 66-68%
Overnight	+1°C	Cloud
Morning	+9°C	Rain
Afternoon	+9°C	Occasional Showers
Evening	+9°C	Cloud

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

08.09.2025, Mon
Wind: 0-1 m/s, S-W, Pressure: 1037-1029 hPa, Humidity: 55-57%
Overnight	+1°C	Rain
Morning	+4°C	Rain
Afternoon	+12°C	Occasional Showers
Evening	+7°C	Cloud
09.09.2025, Tue
Wind: 2-3 m/s, W, Pressure: 1029-1021 hPa, Humidity: 67-69%
Overnight	-6°C	Rain
Morning	+3°C	Cloud
Afternoon	+8°C	Cloud
Evening	+5°C	Cloud
10.09.2025, Wen
Wind: 4-5 m/s, W, Pressure: 1019-1011 hPa, Humidity: 67-69%
Overnight	+9°C	Cloud
Morning	+10°C	Occasional Showers
Afternoon	+13°C	Occasional Showers
Evening	+12°C	Occasional Showers
11.09.2025, Thu
Wind: 4-5 m/s, S, Pressure: 1020-1012 hPa, Humidity: 56-58%
Overnight	0°C	Occasional Showers
Morning	+3°C	Occasional Showers
Afternoon	+11°C	Occasional Showers
Evening	+8°C	Thunderstorm
12.09.2025, Fri
Wind: 2-3 m/s, S-W, Pressure: 1032-1024 hPa, Humidity: 46-48%
Overnight	-1°C	Rain
Morning	+6°C	Cloud
Afternoon	+13°C	Light Cloud
Evening	+10°C	Light Cloud
13.09.2025, Sat
Wind: 6-7 m/s, S,S-W, Pressure: 1031-1023 hPa, Humidity: 67-69%
Overnight	+3°C	Cloud
Morning	+9°C	Mainly Cloudy
Afternoon	+13°C	Clear Sky
Evening	+11°C	Cloud
14.09.2025, Sun
Wind: 6-7 m/s, W, Pressure: 1028-1020 hPa, Humidity: 67-69%
Overnight	+9°C	Mainly Cloudy
Morning	+10°C	Occasional Showers
Afternoon	+9°C	Rain
Evening	+6°C	Rain

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

15.09.2025, Mon
Wind: 8-9 m/s, W, Pressure: 1020-1012 hPa, Humidity: 75-77%
Overnight	+3°C	Occasional Showers
Morning	+4°C	Occasional Showers
Afternoon	+13°C	Rain
Evening	+9°C	Rain
16.09.2025, Tue
Wind: 7-8 m/s, S,S-W, Pressure: 1027-1019 hPa, Humidity: 61-63%
Overnight	+4°C	Occasional Showers
Morning	+7°C	Occasional Showers
Afternoon	+16°C	Occasional Showers
Evening	+11°C	Occasional Showers
17.09.2025, Wen
Wind: 5-6 m/s, W, Pressure: 1031-1023 hPa, Humidity: 75-77%
Overnight	+5°C	Occasional Showers
Morning	+7°C	Occasional Showers
Afternoon	+14°C	Occasional Showers
Evening	+11°C	Occasional Showers
18.09.2025, Thu
Wind: 5-6 m/s, W, Pressure: 1019-1011 hPa, Humidity: 94-96%
Overnight	+9°C	Occasional Showers
Morning	+10°C	Occasional Showers
Afternoon	+7°C	Occasional Showers
Evening	+7°C	Thunderstorm
19.09.2025, Fri
Wind: 6-7 m/s, S,S-W, Pressure: 1027-1019 hPa, Humidity: 61-63%
Overnight	0°C	Rain
Morning	+2°C	Mainly Cloudy
Afternoon	+14°C	Clear Sky
Evening	+11°C	Cloud
20.09.2025, Sat
Wind: 1-2 m/s, E,N-E, Pressure: 1032-1024 hPa, Humidity: 64-66%
Overnight	+7°C	Mainly Cloudy
Morning	+10°C	Cloud
Afternoon	+13°C	Light Cloud
Evening	+9°C	Mainly Cloudy
21.09.2025, Sun
Wind: 1-2 m/s, N,N-E, Pressure: 1033-1025 hPa, Humidity: 64-66%
Overnight	+2°C	Cloud
Morning	+3°C	Occasional Showers
Afternoon	+16°C	Rain
Evening	+12°C	Rain

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

22.09.2025, Mon
Wind: 2-3 m/s, W,N-W, Pressure: 1025-1017 hPa, Humidity: 69-71%
Overnight	+2°C	Occasional Showers
Morning	+6°C	Occasional Showers
Afternoon	+13°C	Rain
Evening	+8°C	Rain
23.09.2025, Tue
Wind: 5-6 m/s, N-W, Pressure: 1021-1013 hPa, Humidity: 70-72%
Overnight	+8°C	Occasional Showers
Morning	+14°C	Occasional Showers
Afternoon	+16°C	Occasional Showers
Evening	+13°C	Occasional Showers
24.09.2025, Wen
Wind: 5-6 m/s, N-W, Pressure: 1015-1007 hPa, Humidity: 94-96%
Overnight	+11°C	Occasional Showers
Morning	+13°C	Occasional Showers
Afternoon	+12°C	Occasional Showers
Evening	+11°C	Occasional Showers
25.09.2025, Thu
Wind: 6-7 m/s, W, Pressure: 1017-1009 hPa, Humidity: 66-68%
Overnight	+3°C	Occasional Showers
Morning	+5°C	Occasional Showers
Afternoon	+18°C	Occasional Showers
Evening	+15°C	Rain
26.09.2025, Fri
Wind: 2-3 m/s, N, Pressure: 1021-1013 hPa, Humidity: 61-63%
Overnight	+4°C	Rain
Morning	+11°C	Cloud
Afternoon	+17°C	Light Cloud
Evening	+14°C	Mainly Cloudy
27.09.2025, Sat
Wind: 4-5 m/s, W,N-W, Pressure: 1011-1003 hPa, Humidity: 92-94%
Overnight	+5°C	Cloud
Morning	+8°C	Cloud
Afternoon	+10°C	Light Cloud
Evening	+8°C	Mainly Cloudy
28.09.2025, Sun
Wind: 8-9 m/s, W, Pressure: 1015-1007 hPa, Humidity: 57-59%
Overnight	+7°C	Cloud
Morning	+7°C	Occasional Showers
Afternoon	+12°C	Rain
Evening	+8°C	Rain

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

29.09.2025, Mon
Wind: 9-10 m/s, W, Pressure: 1013-1005 hPa, Humidity: 61-63%
Overnight	+7°C	Occasional Showers
Morning	+10°C	Occasional Showers
Afternoon	+13°C	Rain
Evening	+11°C	Rain
30.09.2025, Tue
Wind: 2-3 m/s, S,S-W, Pressure: 1024-1016 hPa, Humidity: 72-74%
Overnight	-1°C	Occasional Showers
Morning	0°C	Occasional Showers
Afternoon	+7°C	Occasional Showers
Evening	+6°C	Occasional Showers