The temperatures in Newfoundland and Labrador in September are comfortable with low of 15°C and and high up to 17°C.
You can expect about 3 to 8 days of rain in Newfoundland and Labrador 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 Newfoundland and Labrador in September 2025.
If you’re planning to visit Newfoundland and Labrador in the near future, we highly recommend that you review the 14 day weather forecast for Newfoundland and Labrador before you arrive.
Temperatures
17° / 15°
Rainy Days
5
Snowy Days
0
Dry Days
25
Rainfall
77
mm
Sun Hours
10.0
Hrs
