Weather in September 2025

Oakville weather in September 2025

°C °F

The average weather in Oakville in September

The temperatures in Oakville in September are comfortable with low of 14°C and and high up to 22°C.

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

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

Temperatures
22° / 14°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
97
mm
Sun Hours
10.8
Hrs

Explore the weather in Oakville in other months

Oakville annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -3° / -7° 8 6 18 97 mm
Awful
February -2° / -7° 8 4 17 96 mm
Awful
March 4° / -2° 10 12 10 109 mm
Awful
April 10° / 3° 9 16 4 139 mm
Awful
May 17° / 9° 8 23 0 131 mm
Ok
June 22° / 14° 7 23 0 140 mm
Ok
July 25° / 17° 9 22 0 156 mm
Good
August 25° / 17° 7 24 0 142 mm
Good
September 22° / 14° 5 25 0 97 mm
Good
October 14° / 8° 8 22 0 130 mm
Ok
November 7° / 2° 7 17 6 87 mm
Awful
December 2° / -2° 9 7 15 99 mm
Awful

Weather in Oakville in September - FAQ

What is the average temperature in Oakville in September?
The average temperature in Oakville in September is 14/22° C.
What is the chance of rain in Oakville in September?
On average, there are 5 rainy days in Oakville during September.
Weather wise, is September a good time to visit Oakville?
The weather in Oakville in September is good.
Can it snow in Oakville in September?
On average, there are 0 snowy days in Oakville in September.
More about the weather in Oakville