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
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 83.8°F (28.8°C) in August to a still moderately hot 75.4°F (24.1°C). During the month of September, an average low-temperature of 55.2°F (12.9°C) is recorded in Lusk.Humidity
August and September, with an average relative humidity of 44%, are the least humid months in Lusk.Rainfall
In Lusk, in September, during 7.2 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Lusk, during the entire year, the rain falls for 94.7 days and collects up to 10.39" (264mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Lusk. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Lusk, Wyoming, there are 43.6 snowfall days, and 15.63" (397mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:40 pm MDT.
Sunshine
In September, the average sunshine is 10.6h.UV index
The average daily maximum UV index in September in Lusk, Wyoming, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Lusk?
What is the least humid month in Lusk?
What is the average humidity in September in Lusk?
How many days does it rain in September in Lusk?
When does it start snowing in Lusk?
How many hours of daylight does Lusk have in September?
When are sunrise and sunset in September in Lusk?
How long on average sun shines in September in Lusk?
How high is the UV index in September in Lusk?
Average temperature in September
Lusk, WY
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in September
Lusk, WY
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Lusk, WY
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in September
Lusk, WY
- Average humidity in September: 44%
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are August and September (44%).
Average rainfall in September
Lusk, WY
- Average rainfall in September: 0.67"
The wettest months (with the highest rainfall) are May and June (1.57").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Lusk, WY
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in September
Lusk, WY
- Average snowfall in September: 0.08"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Lusk, WY
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lusk, 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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Lusk, WY
- Average sunshine days in September: 20 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Lusk, WY
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lusk, WY
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Lusk, 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).
Lusk, Wyoming, USA
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