September weather forecastSmoot, WY
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Smoot, Wyoming, with an average temperature ranging between min 39.7°F (4.3°C) and max 65.7°F (18.7°C).Temperature
Stepping into September, Smoot observes a temperature decline, with the average high falling from August's moderately hot 74.8°F (23.8°C) to a comfortable 65.7°F (18.7°C). Despite substantial daily fluctuations, the average low-temperature in Smoot is a cold 39.7°F (4.3°C) during September.Humidity
In September, the average relative humidity is 52%.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Smoot, there are 109.5 rainfall days, and 21.61" (549mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1 snowfall days, it receives 1.3" (33mm) of snow. In Smoot, Wyoming, during the entire year, snow falls for 126.9 days and aggregates up to 106.65" (2709mm) of snow.Daylight
In Smoot, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:06 pm MDT.
Sunshine
In September, the average sunshine in Smoot is 10.1h.UV index
In Smoot, Wyoming, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Smoot, WY
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).
- Average low temperature in September: 39.7°F
The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in September
Smoot, 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 (29.91"Hg).
Average wind speed in September
Smoot, WY
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in September
Smoot, WY
- Average humidity in September: 52%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall in September
Smoot, WY
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in September
Smoot, WY
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Smoot, WY
- Average snowfall in September: 1.3"
The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Smoot, WY
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is December (21.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Smoot, 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 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Smoot, WY
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).
Average UV index in September
Smoot, WY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Smoot, WY
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Smoot, 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 and February (3mi).
