Stephenville Weather in September

What's the weather like in Stephenville (Newfoundland and Labrador) in September 2022?

The climate in Stephenville during September can be summarized as mild and damp.

September is in the fall / autumn in Stephenville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 7°C (44°F) is normal.

Stephenville weather averages (imperial / metric)
Daytime temperature 15.1°C 59.2°F
Nightly temperature 6.7°C 44.1°F
Average temperature 10.9°C 51.6°F
Daily sunshine 4.8 hrs
Avg rainfall 113 mm 4.4 ins
Rainy days 16 days
Sea temperature 13.5°C 56.2°F
Humidity 80%
Windspeed 17.3kph 11 mph

On average September is the 6th wettest month of the year in Stephenville with around 113mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.8 hours of sunshine per day.

September temperatures in Stephenville

Stephenville average temperature in September

September rainfall

Stephenville average rain in September

September hourly sunshine

Stephenville average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Stephenville in September 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Stephenville weather stats

Stephenville weather statistics
Hottest month: July 19.5°C 67.1°F
Driest month: April 73mm 2.9ins
Sunniest month: August 6.5hrs
Coldest month: February -4°C 24.8°F
Wettest month: January 135mm 5.3ins
Map showing location of Stephenville (48.55001, -58.5818)

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