Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The arrival of September corresponds with a light shift in temperature, down from an agreeable 20.3°C (68.5°F) in August to a refreshing 15.7°C (60.3°F). Throughout September, Rapide-Blanc witnesses a consistent average low-temperature of 8.3°C (46.9°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Rapide-Blanc, in September, during 14.8 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, there are 132.9 rainfall days, and 722mm (28.43") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:11 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:32 pm EDT.
Sunshine
In Rapide-Blanc, the average sunshine in September is 7.3h.UV index
In Rapide-Blanc, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in September, converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Rapide-Blanc, Canada
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-10°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-17.2°C).
Average pressure in September
Rapide-Blanc, Canada
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is March (1017.2mbar).
The months with the lowest atmospheric pressure are June and July (1011.3mbar).
Average wind speed in September
Rapide-Blanc, Canada
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is November (14.1km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).
Average humidity in September
Rapide-Blanc, Canada
- Average humidity in September: 78%
The months with the highest relative humidity are January and March (92%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Rapide-Blanc, Canada
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is August (92mm).
The driest month (with the least rainfall) is February (37mm).
Average rainfall days in September
Rapide-Blanc, Canada
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Rapide-Blanc, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is December (294mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rapide-Blanc, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rapide-Blanc, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 1h and 42min).
Average sunshine days in September
Rapide-Blanc, Canada
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is June (14.1 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Rapide-Blanc, Canada
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Rapide-Blanc, Canada
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Rapide-Blanc, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January and March (6km).
