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 September, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 81°F (27.2°C) in August to a pleasant 71.4°F (21.9°C). Throughout the nights in September, an average low-temperature of 51.3°F (10.7°C) is noted in Deaver.Humidity
The average relative humidity in September in Deaver is 42%.Rainfall
In Deaver, during September, the rain falls for 9.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Deaver, Wyoming, during the entire year, the rain falls for 133.8 days and collects up to 9.8" (249mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Deaver. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Deaver, Wyoming, during the entire year, snow falls for 64 days and aggregates up to 19.92" (506mm) of snow.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:56 pm MDT.
Sunshine
The average sunshine in September is 10.8h.UV index
In Deaver, Wyoming, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Deaver in September?
What is the average humidity in September in Deaver?
How many days does it rain in September in Deaver?
When does it start to snow in Deaver?
How many hours of daylight does Deaver have in September?
When is the sunrise / sunset in September in Deaver?
How many hours of sunshine does Deaver have in September?
What is the UV index intensity in September in Deaver?
Average temperature in September
Deaver, WY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (27.5°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and February (14.4°F).
Average pressure in September
Deaver, WY
- Average pressure in September: 29.96"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Deaver, WY
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Deaver, WY
- Average humidity in September: 42%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (37%).
Average rainfall in September
Deaver, WY
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in September
Deaver, WY
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in September
Deaver, WY
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Deaver, WY
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Deaver, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- 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, February and December (Average sunshine: 6h and 24min).
Average sunshine days in September
Deaver, WY
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in September
Deaver, WY
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Deaver, WY
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Deaver, 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).
Deaver, Wyoming, USA
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