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 is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 79°F (26.1°C) in August to a pleasant 70.2°F (21.2°C). Fort Steele experiences an average low-temperature of 49.6°F (9.8°C) in the month of September.Humidity
In Fort Steele, the average relative humidity in September is 38%.Rainfall
In September, in Fort Steele, the rain falls for 7 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. In Fort Steele, during the entire year, the rain falls for 81.7 days and collects up to 9.72" (247mm) of precipitation.Snowfall
June through September are months without snowfall in Fort Steele.Daylight
The average length of the day in September in Fort Steele, Wyoming, is 12h and 28min.On the first day of September in Fort Steele, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:50 pm MDT.
Sunshine
In Fort Steele, the average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September in Fort Steele is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are September temperatures in Fort Steele?
What is the average humidity in September in Fort Steele?
How much does it rain in Fort Steele in September?
When it does not snow in Fort Steele?
Does it snow in Fort Steele in September?
What is the average length of the day in September in Fort Steele?
When is the sunrise / sunset in September in Fort Steele?
How many hours of sunshine does Fort Steele have in September?
What is the UV index reading in September in Fort Steele?
Average temperature in September
Fort Steele, WY
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (26.4°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in September
Fort Steele, WY
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Fort Steele, WY
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is November (13.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.5mph).
Average humidity in September
Fort Steele, WY
- Average humidity in September: 38%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in September
Fort Steele, WY
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in September
Fort Steele, WY
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in September
Fort Steele, WY
- Average snowfall in September: 0"
The month with the highest snowfall is April (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fort Steele, WY
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fort Steele, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 11h and 1min
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 48min).
Average sunshine days in September
Fort Steele, WY
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is June (21.1 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in September
Fort Steele, WY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Fort Steele, WY
- Average cloud cover in September: 13
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in September
Fort Steele, WY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Fort Steele, Wyoming, USA
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