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
Fort Nelson in September experiences a subtle temperature decline, with average high-temperatures reducing from an agreeable 22°C (71.6°F) in August to a mild 15.6°C (60.1°F). Fort Nelson's temperature drops to an average low of 4.9°C (40.8°F) during the nights of September.Humidity
The average relative humidity in September in Fort Nelson, Canada, is 69%.Rainfall
In Fort Nelson, in September, it is raining for 9.6 days, with typically 23mm (0.91") of accumulated precipitation. In Fort Nelson, during the entire year, the rain falls for 88.5 days and collects up to 294mm (11.57") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 7mm (0.28") of snow. In Fort Nelson, during the entire year, snow falls for 97.2 days and aggregates up to 754mm (29.69") of snow.Daylight
The average length of the day in September is 12h and 47min.On the first day of September, sunrise is at 6:10 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:45 pm PDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Fort Nelson have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Fort Nelson have in September?
What is the UV index intensity in September?
Average temperature in September
Fort Nelson, Canada
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (23.9°C).
The month with the lowest average high temperature is December (-12.8°C).
- Average low temperature in September: 4.9°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is January (-20.7°C).
Average pressure in September
Fort Nelson, Canada
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010.1mbar).
Average wind speed in September
Fort Nelson, Canada
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is May (8.6km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).
Average humidity in September
Fort Nelson, Canada
- Average humidity in September: 69%
The months with the highest relative humidity are February and March (95%).
The month with the lowest relative humidity is May (55%).
Average rainfall in September
Fort Nelson, Canada
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is December (11mm).
Average rainfall days in September
Fort Nelson, Canada
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Fort Nelson, Canada
- Average snowfall in September: 7mm
The month with the highest snowfall is March (123mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Fort Nelson, Canada
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is March (17 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Fort Nelson, Canada
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is March (Average sunshine: 3h and 24min).
Average sunshine days in September
Fort Nelson, Canada
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is May (19.1 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in September
Fort Nelson, Canada
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in September
Fort Nelson, Canada
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Fort Nelson, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is March (4km).
