Weather in September 2025

Hamilton weather in September 2025

The temperatures in Hamilton in September are quite cold with temperatures between 6°C and 15°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Hamilton during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Hamilton in September 2025.

If you’re planning to visit Hamilton in the near future, we highly recommend that you review the 14 day weather forecast for Hamilton before you arrive.

Temperatures
Temperatures
15° / 6°
Rainy Days
Rainy Days
7
Snowy Days
Snowy Days
0
Dry Days
Dry Days
23
Rainfall
Rainfall
107
mm
8.2
Sun Hours
8.2
Hrs

Hamilton annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 24° / 13° 5 26 0 74 mm
Perfect
February 24° / 13° 4 24 0 86 mm
Perfect
March 22° / 12° 3 28 0 67 mm
Good
April 20° / 10° 5 25 0 83 mm
Good
May 16° / 8° 6 26 0 98 mm
Good
June 14° / 7° 6 24 0 93 mm
Good
July 13° / 5° 5 26 0 93 mm
Ok
August 14° / 6° 6 25 0 95 mm
Good
September 15° / 6° 7 23 0 107 mm
Ok
October 17° / 8° 5 26 0 97 mm
Good
November 20° / 9° 7 23 0 89 mm
Ok
December 22° / 12° 7 24 0 94 mm
Ok
Temperatures in Hamilton in September
Rain in Hamilton in September

Recommended Hotels in Hamilton

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That’s why we run our special tools and found the best hotels in Hamilton. Click on hotel for more details.

Weather in Hamilton in September - FAQ

What is the average temperature in Hamilton in September?
The average temperature in Hamilton in September is 6/15° C.
What is the chance of rain in Hamilton in September?
On average, there are 7 rainy days in Hamilton during September.
Weather wise, is September a good time to visit Hamilton?
The weather in Hamilton in September is ok.
Can it snow in Hamilton in September?
On average, there are 0 snowy days in Hamilton in September.
More about the weather in Hamilton