Weather in September 2025

Sudbury weather in September 2025

The temperatures in Sudbury in September are quite cold with temperatures between 9°C and 18°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Sudbury 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 Sudbury in September 2025.

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

Temperatures
Temperatures
18° / 9°
Rainy Days
Rainy Days
6
Snowy Days
Snowy Days
0
Dry Days
Dry Days
24
Rainfall
Rainfall
92
mm
9.1
Sun Hours
9.1
Hrs

Sudbury annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -9° / -16° 3 4 24 62 mm
Awful
February -7° / -16° 2 3 23 62 mm
Awful
March -1° / -9° 6 7 20 69 mm
Awful
April 6° / -2° 7 11 12 106 mm
Awful
May 17° / 6° 6 23 2 74 mm
Ok
June 21° / 10° 6 24 0 84 mm
Good
July 24° / 13° 5 26 0 79 mm
Perfect
August 23° / 13° 5 26 0 88 mm
Perfect
September 18° / 9° 6 24 0 92 mm
Good
October 10° / 3° 8 18 5 127 mm
Awful
November 3° / -3° 6 9 15 91 mm
Awful
December -4° / -10° 4 5 22 62 mm
Awful
Temperatures in Sudbury in September
Rain in Sudbury in September

Recommended Hotels in Sudbury

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

Weather in Sudbury in September - FAQ

What is the average temperature in Sudbury in September?
The average temperature in Sudbury in September is 9/18° C.
What is the chance of rain in Sudbury in September?
On average, there are 6 rainy days in Sudbury during September.
Weather wise, is September a good time to visit Sudbury?
The weather in Sudbury in September is good.
Can it snow in Sudbury in September?
On average, there are 0 snowy days in Sudbury in September.
More about the weather in Sudbury