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 shift in the average high-temperature, from August's moderately hot 82.6°F (28.1°C) to a pleasant 73°F (22.8°C). Throughout the nights in September, Shoshoni experiences an average low-temperature of 52.3°F (11.3°C).Humidity
The average relative humidity in September in Shoshoni is 37%.Rainfall
In Shoshoni, Wyoming, in September, during 10.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 115.2 rainfall days, and 11.26" (286mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Shoshoni, Wyoming. Throughout September, in the average 0.3 snowfall days, it receives 0.91" (23mm) of snow. In Shoshoni, Wyoming, during the entire year, snow falls for 52.8 days and aggregates up to 26.02" (661mm) of snow.Daylight
In September, the average length of the day in Shoshoni is 12h and 29min.On the first day of September in Shoshoni, Wyoming, sunrise is at 6:37 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:54 pm MDT.
Sunshine
In September, the average sunshine in Shoshoni is 10.7h.UV index
In September, the average daily maximum UV index in Shoshoni, Wyoming, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in September in Shoshoni?
What is the average humidity in September in Shoshoni?
How many days does it rain in September in Shoshoni?
When does it start snowing in Shoshoni?
How many hours of daylight does Shoshoni have in September?
When are sunrise and sunset in September in Shoshoni?
How many hours of sunshine does Shoshoni have in September?
What is the UV index reading in September in Shoshoni?
Average temperature in September
Shoshoni, WY
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Shoshoni, WY
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Shoshoni, WY
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in September
Shoshoni, WY
- Average humidity in September: 37%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in September
Shoshoni, WY
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Shoshoni, WY
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in September
Shoshoni, WY
- Average snowfall in September: 0.91"
The month with the highest snowfall is April (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Shoshoni, WY
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is February (9.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Shoshoni, WY
- Average daylight in September: 12h and 3min
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 0min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in September
Shoshoni, WY
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in September
Shoshoni, 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, November and December (UV index 2).
Average cloud cover in September
Shoshoni, WY
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Shoshoni, 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).
Shoshoni, Wyoming, USA
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