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
September implies a gentle temperature shift, with average high-temperatures reducing from August's pleasant 72.3°F (22.4°C) to a refreshing 63.3°F (17.4°C). A marked difference from the daytime temperatures, Colter Bay Village's nighttime temperature falls to an average low of 37.6°F (3.1°C) in September.Humidity
The average relative humidity in September is 55%.Rainfall
In Colter Bay Village, 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
Months with snowfall in Colter Bay Village, Wyoming, are January through July, September through December. September is the first month it typically snows. Throughout September, in the average 1.8 snowfall days, it receives 3.35" (85mm) of snow. Throughout the year, there are 153.5 snowfall days, and 167.44" (4253mm) of snow is accumulated.Daylight
In Colter Bay Village, 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 September, the average sunshine is 10.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
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
Weather forecast for your location
2. Allow the app to use your location