September weather forecastEncampment, WY
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Encampment, Wyoming, with an average temperature fluctuating between 68.2°F (20.1°C) and 45.3°F (7.4°C).Temperature
Encampment's weather subtly changes with the onset of September, barely falling from a moderately hot 76.3°F (24.6°C) in August to an agreeable 68.2°F (20.1°C). In September, the temperature registers a significant dip to an average of 45.3°F (7.4°C) at night.Humidity
The average relative humidity in September in Encampment, Wyoming, is 44%.Rainfall
In Encampment, in September, it is raining for 9.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Encampment, during the entire year, the rain falls for 105.6 days and collects up to 13.94" (354mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Encampment, there are 100.7 snowfall days, and 54.45" (1383mm) of snow is accumulated.Daylight
In Encampment, Wyoming, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:39 pm. On the last day of September, in Encampment, sunrise is at 7:03 am and sunset at 6:50 pm MDT.
Sunshine
In September, the average sunshine in Encampment, Wyoming, is 11h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Encampment, WY
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is July (52.3°F).
The coldest months (with the lowest average low temperature) are January and December (12.9°F).
Average pressure in September
Encampment, 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 (29.89"Hg).
Average wind speed in September
Encampment, WY
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is November (11.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in September
Encampment, WY
- Average humidity in September: 44%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Encampment, WY
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in September
Encampment, WY
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in September
Encampment, WY
- Average snowfall in September: 0.24"
The month with the highest snowfall is April (9.76").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Encampment, WY
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Encampment, WY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Encampment, WY
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Encampment, WY
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Encampment, WY
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are August and September (Cloud cover 14).
Average visibility in September
Encampment, 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).
