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 brings a slight decrease in the average high-temperature, shifting from a pleasant 68°F (20°C) in August to a refreshing 61.7°F (16.5°C). The average low-temperature reading in September for Snowmass Village reflects a significant fall from the daytime highs, stabilizing at a wintry 35.1°F (1.7°C).Humidity
In September, the average relative humidity is 59%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Snowmass Village, during the entire year, the rain falls for 121.7 days and collects up to 17.01" (432mm) of precipitation.Snowfall
Months with snowfall are January through December. In Snowmass Village, Colorado, in September, during 3.5 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, there are 140.5 snowfall days, and 73.74" (1873mm) of snow is accumulated.Daylight
In Snowmass Village, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of September, in Snowmass Village, sunrise is at 7:03 am and sunset at 6:51 pm MDT.
Sunshine
In September, the average sunshine is 10.9h.UV index
In September, the average daily maximum UV index in Snowmass Village is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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?
How many days does it snow in September?
How many hours of daylight does Snowmass Village have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Snowmass Village have in September?
What is the UV index reading in September?
Average temperature in September
Snowmass Village, CO
- Average high temperature in September: 61.7°F
The warmest month (with the highest average high temperature) is July (70.3°F).
The month with the lowest average high temperature is December (24.6°F).
- Average low temperature in September: 35.1°F
The month with the highest average low temperature is July (41.7°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).
Average pressure in September
Snowmass Village, CO
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is May (29.94"Hg).
Average wind speed in September
Snowmass Village, CO
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is June (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Snowmass Village, CO
- Average humidity in September: 59%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is June (51%).
Average rainfall in September
Snowmass Village, CO
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is November (0.79").
Average rainfall days in September
Snowmass Village, CO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (4.5 days).
Average snowfall in September
Snowmass Village, CO
- Average snowfall in September: 0.94"
The month with the highest snowfall is March (12.6").
The month with the least snowfall is July (0.04").
Average snowfall days in September
Snowmass Village, CO
- Average snowfall days in September: 3.5 days
The month with the highest number of snowfall days is February (20.3 days).
The month with the least snowfall days is July (0.3 days).
Average daylight in September /
Average sunshine in September
Snowmass Village, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Snowmass Village, CO
- Average sunshine days in September: 12 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Snowmass Village, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Snowmass Village, CO
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Snowmass Village, CO
- 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, March and December (4mi).
Snowmass Village, Colorado, USA
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