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
In the transition to September, Ethete observes a drop in the average high-temperature, moving from a warm 79.5°F (26.4°C) in August to an agreeable 70.3°F (21.3°C). Ethete, after hot September days, encounters a marked drop to an average nighttime temperature of 48.6°F (9.2°C).Humidity
In Ethete, the average relative humidity in September is 38%.Rainfall
In September, the rain falls for 6.1 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. Throughout the year, in Ethete, there are 92.3 rainfall days, and 9.92" (252mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Ethete, Wyoming. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Ethete, during the entire year, snow falls for 56.6 days and aggregates up to 39.65" (1007mm) of snow.Daylight
The average length of the day in September in Ethete is 12h and 29min.On the first day of September, sunrise is at 6:40 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:57 pm MDT.
Sunshine
The average sunshine in September in Ethete is 10.9h.UV index
In Ethete, 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 unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ethete in September?
What is the average humidity in September in Ethete?
How many days does it rain in September in Ethete?
When does it start snowing in Ethete?
How many hours of daylight does Ethete have in September?
When is the sunrise / sunset in September in Ethete?
How long on average sun shines in September in Ethete?
How high is the UV index in September in Ethete?
Average temperature in September
Ethete, WY
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in September
Ethete, WY
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Ethete, WY
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Ethete, WY
- Average humidity in September: 38%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Ethete, WY
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Ethete, WY
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).
Average snowfall in September
Ethete, WY
- Average snowfall in September: 0.08"
The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Ethete, WY
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ethete, 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 6min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 54min).
Average sunshine days in September
Ethete, WY
- Average sunshine days in September: 21.6 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in September
Ethete, 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
Ethete, WY
- Average cloud cover in September: 13
The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Ethete, 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).
Ethete, Wyoming, USA
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