The temperatures in Courtenay in September are usually low and can range between 12°C and 18°C.
You can expect about 3 to 8 days of rain in Courtenay 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 Courtenay in September 2025.
If you’re planning to visit Courtenay in the near future, we highly recommend that you review the 14 day weather forecast for Courtenay before you arrive.
Temperatures
18° / 12°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
55
mm
Sun Hours
2.3
Hrs
