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 arrival of September corresponds with a reduction in the average high-temperature, down from August's moderately hot 77.2°F (25.1°C) to an agreeable 68.2°F (20.1°C). In the month of September, the nighttime temperature in Kaycee dips to a steady average of 49.1°F (9.5°C).Humidity
In Kaycee, the average relative humidity in September is 47%.Rainfall
In Kaycee, in September, during 11.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Kaycee, during the entire year, the rain falls for 145.3 days and collects up to 18.78" (477mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Kaycee, Wyoming. Throughout September, in the average 0.5 snowfall days, it receives 0.94" (24mm) of snow. Throughout the year, there are 78 snowfall days, and 39.13" (994mm) of snow is accumulated.Daylight
In Kaycee, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:41 pm. On the last day of September, in Kaycee, sunrise is at 7:03 am and sunset at 6:48 pm MDT.
Sunshine
The average sunshine in September is 10.9h.UV index
In Kaycee, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the average September temperature in Kaycee?
What is the average humidity in September in Kaycee?
How much does it rain in Kaycee in September?
When does it start snowing in Kaycee?
What is the average length of the day in September in Kaycee?
When are sunrise and sunset in September in Kaycee?
How many hours of sunshine does Kaycee have in September?
What is the UV index reading in September in Kaycee?
Average temperature in September
Kaycee, WY
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (28.9°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (14°F).
Average pressure in September
Kaycee, WY
- Average pressure in September: 29.93"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Kaycee, WY
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Kaycee, WY
- Average humidity in September: 47%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (44%).
Average rainfall in September
Kaycee, WY
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in September
Kaycee, WY
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is December (5 days).
Average snowfall in September
Kaycee, WY
- Average snowfall in September: 0.94"
The month with the highest snowfall is April (7.05").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Kaycee, WY
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (13.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Kaycee, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Kaycee, WY
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (5.5 days).
Average UV index in September
Kaycee, 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
Kaycee, WY
- Average cloud cover in September: 17
The month with the most cloud cover is April (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 17).
Average visibility in September
Kaycee, 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).
Kaycee, Wyoming, USA
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