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 temperature reduction, down from August's agreeable 72.3°F (22.4°C) to a refreshing 63.3°F (17.4°C). Colter Bay Village experiences a consistent, yet significant, drop from daily highs to a low-temperature of 37.6°F (3.1°C) throughout September.Humidity
In September, the average relative humidity is 55%.Rainfall
In Colter Bay Village, Wyoming, in September, it is raining for 10.2 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 111.3 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
January through July, September through December are months with snowfall. September is the first month it typically snows in Colter Bay Village, Wyoming. Throughout September, in the average 1.8 snowfall days, it receives 3.35" (85mm) of snow. In Colter Bay Village, during the entire year, snow falls for 153.5 days and aggregates up to 167.44" (4253mm) of snow.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:04 pm MDT.
Sunshine
In Colter Bay Village, the average sunshine in September is 10.1h.UV index
In Colter Bay Village, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Enhance your sun protection with tightly woven, yet airy clothing. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Colter Bay Village in September?
What is the average humidity in September in Colter Bay Village?
How many days does it rain in September in Colter Bay Village?
When does it start snowing in Colter Bay Village?
What is the average length of the day in September in Colter Bay Village?
When is the sunrise / sunset in September in Colter Bay Village?
How long on average sun shines in September in Colter Bay Village?
What is the UV index reading in September in Colter Bay Village?
Average temperature in September
Colter Bay Village, WY
- Average high temperature in September: 63.3°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (21.7°F).
- Average low temperature in September: 37.6°F
The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is December (3.7°F).
Average pressure in September
Colter Bay Village, WY
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Colter Bay Village, WY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.6mph).
Average humidity in September
Colter Bay Village, WY
- Average humidity in September: 55%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Colter Bay Village, WY
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is February (3.54").
The driest months (with the least rainfall) are July and August (1.02").
Average rainfall days in September
Colter Bay Village, WY
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Colter Bay Village, WY
- Average snowfall in September: 3.35"
The month with the highest snowfall is February (29.65").
The month with the least snowfall is August (0").
Average snowfall days in September
Colter Bay Village, WY
- Average snowfall days in September: 1.8 days
The month with the highest number of snowfall days is March (23.8 days).
The months with the least snowfall days are July and August (0.2 days).
Average daylight in September /
Average sunshine in September
Colter Bay Village, 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 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Colter Bay Village, WY
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in September
Colter Bay Village, WY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Colter Bay Village, WY
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Colter Bay Village, WY
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).
Colter Bay Village, Wyoming, USA
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