September weather forecastRed Feather Lakes, CO
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Red Feather Lakes, Colorado, with an average temperature varying between 66.6°F (19.2°C) and 43.7°F (6.5°C).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a pleasant 73.2°F (22.9°C) to a refreshing 66.6°F (19.2°C). Red Feather Lakes reports a considerable drop from daytime temperatures in September, recording an average nighttime figure of 43.7°F (6.5°C).Humidity
June, August and September, with an average relative humidity of 48%, are the least humid months.Rainfall
In Red Feather Lakes, in September, during 10.7 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Red Feather Lakes, during the entire year, the rain falls for 122.3 days and collects up to 18.15" (461mm) of precipitation.Snowfall
January through June, August through December are months with snowfall. In Red Feather Lakes, in September, snow falls for 1.5 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 103.4 snowfall days, and 71.97" (1828mm) of snow is accumulated.Daylight
In Red Feather Lakes, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:30 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm MDT.
Sunshine
In Red Feather Lakes, Colorado, the average sunshine in September is 10.8h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. 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 mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Red Feather Lakes, CO
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in September: 43.7°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is December (13.3°F).
Average pressure in September
Red Feather Lakes, CO
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Red Feather Lakes, CO
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Red Feather Lakes, CO
- Average humidity in September: 48%
The month with the highest relative humidity is February (75%).
The months with the lowest relative humidity are June, August and September (48%).
Average rainfall in September
Red Feather Lakes, CO
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Red Feather Lakes, CO
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (4.2 days).
Average snowfall in September
Red Feather Lakes, CO
- Average snowfall in September: 0.75"
The month with the highest snowfall is April (14.88").
The month with the least snowfall is July (0").
Average snowfall days in September
Red Feather Lakes, CO
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is March (15.8 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Red Feather Lakes, CO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Red Feather Lakes, CO
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (7.2 days).
Average UV index in September
Red Feather Lakes, CO
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Red Feather Lakes, CO
- Average cloud cover in September: 19
The months with the most cloud cover are February, April and May (Cloud cover 34).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in September
Red Feather Lakes, CO
- 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).
