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
Fairview's weather changes with the onset of September, slightly falling from a moderately hot 74.8°F (23.8°C) in August to an enjoyable 65.7°F (18.7°C). Throughout September nights, Fairview reports a steady thermal contrast from the day, with an average low-temperature of 39.7°F (4.3°C).Humidity
In Fairview, the average relative humidity in September is 52%.Rainfall
In Fairview, Wyoming, in September, it is raining for 9.4 days, with typically 1.3" (33mm) of accumulated precipitation. In Fairview, during the entire year, the rain falls for 109.5 days and collects up to 21.61" (549mm) 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 1 snowfall days, it receives 1.3" (33mm) of snow. In Fairview, during the entire year, snow falls for 126.9 days and aggregates up to 106.65" (2709mm) of snow.Daylight
In Fairview, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:06 pm MDT.
Sunshine
In September, the average sunshine is 10.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fairview in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Fairview have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Fairview?
Average temperature in September
Fairview, WY
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).
- Average low temperature in September: 39.7°F
The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Fairview, WY
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Fairview, WY
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in September
Fairview, WY
- Average humidity in September: 52%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall in September
Fairview, WY
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in September
Fairview, WY
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Fairview, WY
- Average snowfall in September: 1.3"
The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Fairview, WY
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is December (21.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Fairview, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Fairview, WY
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).
Average UV index in September
Fairview, WY
- Average UV index in September: 3
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
Fairview, WY
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Fairview, WY
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Fairview, Wyoming, USA
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