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
Weather in September
Temperature
Fort Vermilion in September demonstrates a small temperature transition, adjusting from an average high of a pleasant 21.8°C (71.2°F) in August to a mild 15.5°C (59.9°F). The nighttime temperature dips to a cold 5.4°C (41.7°F) on average during September.Humidity
In September, the average relative humidity in Fort Vermilion is 69%.Rainfall
In Fort Vermilion, in September, it is raining for 8.3 days, with typically 15mm (0.59") of accumulated precipitation. In Fort Vermilion, during the entire year, the rain falls for 77.8 days and collects up to 204mm (8.03") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, there are 76.2 snowfall days, and 466mm (18.35") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 47min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:42 pm. On the last day of September, sunrise is at 7:48 am and sunset at 7:19 pm MDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September in Fort Vermilion is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are September temperatures in Fort Vermilion?
What is the average humidity in September in Fort Vermilion?
How much does it rain in Fort Vermilion in September?
When does it start to snow in Fort Vermilion?
What is the average length of the day in September in Fort Vermilion?
When are sunrise and sunset in September in Fort Vermilion?
How long on average sun shines in September in Fort Vermilion?
What is the UV index reading in September in Fort Vermilion?
Average temperature in September
Fort Vermilion, Canada
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (24°C).
The months with the lowest average high temperature are January and December (-13.3°C).
- Average low temperature in September: 5.4°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (-21.3°C).
Average pressure in September
Fort Vermilion, Canada
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1009.8mbar).
Average wind speed in September
Fort Vermilion, Canada
- Average wind speed in September: 10km/h
The windiest months (with the highest average wind speed) are April and May (10.3km/h).
The calmest month (with the lowest average wind speed) is December (8.4km/h).
Average humidity in September
Fort Vermilion, Canada
- Average humidity in September: 69%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is May (52%).
Average rainfall in September
Fort Vermilion, Canada
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is August (34mm).
The driest months (with the least rainfall) are February and November (7mm).
Average rainfall days in September
Fort Vermilion, Canada
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is February (0.8 days).
Average snowfall in September
Fort Vermilion, Canada
- Average snowfall in September: 4mm
The month with the highest snowfall is January (84mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Fort Vermilion, Canada
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is March (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fort Vermilion, Canada
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Fort Vermilion, Canada
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in September
Fort Vermilion, 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, March, October, November and December (UV index 1).
Average cloud cover in September
Fort Vermilion, Canada
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Fort Vermilion, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January and February (4km).
Fort Vermilion, Canada
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