September weather forecastMarbleton, WY
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Marbleton, Wyoming, with an average temperature fluctuating between 66.4°F (19.1°C) and 44.1°F (6.7°C).Temperature
During the shift to September, Marbleton records a mild decrease in average high-temperature, moving from a warm 75°F (23.9°C) in August to a refreshing 66.4°F (19.1°C). September, marked by an average low-temperature of 44.1°F (6.7°C), indicates a large temperature drop from the daytime peak.Humidity
In Marbleton, the average relative humidity in September is 44%.Rainfall
In Marbleton, in September, it is raining for 8.8 days, with typically 0.83" (21mm) of accumulated precipitation. In Marbleton, Wyoming, during the entire year, the rain falls for 109.9 days and collects up to 10.59" (269mm) of precipitation.Snowfall
Months with snowfall in Marbleton are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 0.59" (15mm) of snow. Throughout the year, in Marbleton, there are 89 snowfall days, and 43.43" (1103mm) of snow is accumulated.Daylight
In September, the average length of the day in Marbleton is 12h and 28min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:54 pm. On the last day of September, in Marbleton, sunrise is at 7:17 am and sunset at 7:02 pm MDT.
Sunshine
In September, the average sunshine is 10.7h.UV index
The average daily maximum UV index in September in Marbleton is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Adopt protective measures - It is advised to guard against sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marbleton, WY
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (23.7°F).
- Average low temperature in September: 44.1°F
The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is December (5°F).
Average pressure in September
Marbleton, WY
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Marbleton, WY
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in September
Marbleton, WY
- Average humidity in September: 44%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Marbleton, WY
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in September
Marbleton, WY
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in September
Marbleton, WY
- Average snowfall in September: 0.59"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Marbleton, WY
- Average snowfall days in September: 0.7 days
The months with the highest number of snowfall days are February and March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Marbleton, WY
- Average daylight in September: 12h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Marbleton, WY
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in September
Marbleton, WY
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Marbleton, WY
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Marbleton, WY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
