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 indicates a minor shift in the average high-temperature, from August's moderately hot 79.2°F (26.2°C) to an agreeable 71.2°F (21.8°C). Little America throughout September, records an average low-temperature of 50.2°F (10.1°C).Humidity
The average relative humidity in September is 36%.Rainfall
September is the month with the least rainfall. Rain falls for 7.2 days and accumulates 0.39" (10mm) 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 0.2 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 55.4 snowfall days, and 24.17" (614mm) of snow is accumulated.Daylight
In September, the average length of the day in Little America is 12h and 28min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:02 pm MDT.
Sunshine
The average sunshine in September in Little America is 10.7h.UV index
In Little America, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Little America in September?
What is the average humidity in September in Little America?
What is the driest month in Little America?
How much does it rain in Little America in September?
When does it start snowing in Little America?
How many hours of daylight does Little America have in September?
When are sunrise and sunset in September in Little America?
How many hours of sunshine does Little America have in September?
How high is the UV index in September in Little America?
Average temperature in September
Little America, WY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in September
Little America, 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 (29.88"Hg).
Average wind speed in September
Little America, WY
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Little America, WY
- Average humidity in September: 36%
The months with the highest relative humidity are January and February (80%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in September
Little America, WY
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is April (1.02").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in September
Little America, WY
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is November (4.2 days).
Average snowfall in September
Little America, WY
- Average snowfall in September: 0.28"
The month with the highest snowfall is March (4.53").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Little America, WY
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Little America, WY
- Average daylight in September: 12h and 3min
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 12min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Little America, WY
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is April (14.1 days).
Average UV index in September
Little America, 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
Little America, WY
- Average cloud cover in September: 13
The month with the most cloud cover is February (Cloud cover 33).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in September
Little America, WY
- 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).
Little America, Wyoming, USA
Weather forecast for your location
2. Allow the app to use your location