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
September brings a drop in Virgelle's average high-temperature, falling from a moderately hot 82.6°F (28.1°C) in August to a pleasant 71.4°F (21.9°C). In Virgelle, in September, the average low-temperature is a fresh 52.9°F (11.6°C).Humidity
The average relative humidity in September in Virgelle is 44%.Rainfall
In Virgelle, in September, during 6.6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 91 rainfall days, and 6.42" (163mm) of precipitation is accumulated.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 0.43" (11mm) of snow. In Virgelle, during the entire year, snow falls for 44.2 days and aggregates up to 11.18" (284mm) of snow.Daylight
The average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:01 pm. On the last day of September, in Virgelle, sunrise is at 7:19 am and sunset at 7:01 pm MDT.
Sunshine
The average sunshine in September in Virgelle, Montana, is 9.9h.UV index
In September, the average daily maximum UV index in Virgelle is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are the temperatures in Virgelle in September?
What is the average humidity in September in Virgelle?
How many days does it rain in September in Virgelle?
When does it start snowing in Virgelle?
What is the average length of the day in September in Virgelle?
When are sunrise and sunset in September in Virgelle?
How long on average sun shines in September in Virgelle?
What is the UV index intensity in September in Virgelle?
Average temperature in September
Virgelle, MT
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in September
Virgelle, MT
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Virgelle, MT
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Virgelle, MT
- Average humidity in September: 44%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Virgelle, MT
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.28").
Average rainfall days in September
Virgelle, MT
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Virgelle, MT
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Virgelle, MT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Virgelle, MT
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Virgelle, MT
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in September
Virgelle, MT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Virgelle, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Virgelle, MT
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Virgelle, Montana, USA
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