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's onset brings a reduction in the average high-temperature, from an agreeable 72.3°F (22.4°C) in August to a refreshing 63°F (17.2°C). Despite the hot September days, Elk's nights see an average temperature plunge to an icy 37.8°F (3.2°C).Humidity
In Elk, the average relative humidity in September is 56%.Rainfall
In Elk, Wyoming, during September, the rain falls for 10.5 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Elk, during the entire year, the rain falls for 111.6 days and collects up to 29.06" (738mm) of precipitation.Snowfall
January through July, September through December are months with snowfall in Elk. September is the first month it typically snows. Throughout September, in the average 1.7 snowfall days, it receives 3.27" (83mm) of snow. In Elk, during the entire year, snow falls for 153.4 days and aggregates up to 167.36" (4251mm) of snow.Daylight
In Elk, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:04 pm MDT.
Sunshine
The average sunshine in September in Elk, Wyoming, is 10.1h.UV index
The average daily maximum UV index in September in Elk is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Enhance your sun protection with tightly woven, yet airy clothing. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the average September temperature in Elk?
What is the average humidity in September in Elk?
How much does it rain in Elk in September?
When does it start snowing in Elk?
What is the average length of the day in September in Elk?
What time are sunrise and sunset in September in Elk?
How many hours of sunshine does Elk have in September?
What is the UV index intensity in September in Elk?
Average temperature in September
Elk, WY
- Average high temperature in September: 63°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (21.7°F).
- Average low temperature in September: 37.8°F
The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is December (3.7°F).
Average pressure in September
Elk, WY
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Elk, WY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.6mph).
Average humidity in September
Elk, WY
- Average humidity in September: 56%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Elk, WY
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is February (3.54").
The driest months (with the least rainfall) are July and August (1.02").
Average rainfall days in September
Elk, WY
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Elk, WY
- Average snowfall in September: 3.27"
The month with the highest snowfall is February (29.65").
The month with the least snowfall is August (0").
Average snowfall days in September
Elk, WY
- Average snowfall days in September: 1.7 days
The month with the highest number of snowfall days is March (23.8 days).
The months with the least snowfall days are July and August (0.2 days).
Average daylight in September /
Average sunshine in September
Elk, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Elk, WY
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in September
Elk, WY
- Average UV index in September: 2
The month with the highest UV index is 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
Elk, WY
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Elk, 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, February and December (3mi).
Elk, Wyoming, USA
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