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 average high-temperature slightly decreases in September, shifting from a warm 73.6°F (23.1°C) in August to a comfortable 66.2°F (19°C). A sharp reduction from the daytime highs is witnessed during September, with nighttime temperatures averaging a low of 37°F (2.8°C).Humidity
The average relative humidity in September in Eagle is 54%.Rainfall
September is the month with the least rainfall in Eagle, Colorado. Rain falls for 9.5 days and accumulates 0.67" (17mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Eagle, Colorado. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Eagle, Colorado, during the entire year, snow falls for 103.1 days and aggregates up to 76.73" (1949mm) of snow.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:50 pm MDT.
Sunshine
In Eagle, the average sunshine in September is 11.2h.UV index
In Eagle, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in September translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Eagle in September?
What is the average humidity in September in Eagle?
What is the driest month in Eagle?
How much does it rain in Eagle in September?
When does it start to snow in Eagle?
What is the average length of the day in September in Eagle?
When are sunrise and sunset in September in Eagle?
How many hours of sunshine does Eagle have in September?
What is the UV index reading in September in Eagle?
Average temperature in September
Eagle, CO
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 37°F
The month with the highest average low temperature is July (43.3°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in September
Eagle, CO
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in September
Eagle, CO
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Eagle, CO
- Average humidity in September: 54%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (49%).
Average rainfall in September
Eagle, CO
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Eagle, CO
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in September
Eagle, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (14.13").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Eagle, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (19.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Eagle, 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 24min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Eagle, CO
- Average sunshine days in September: 17.6 days
The months with the most sunshine days are September and November (17.6 days).
The month with the least sunshine days is April (5.9 days).
Average UV index in September
Eagle, CO
- 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 February and December (UV index 1).
Average cloud cover in September
Eagle, CO
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 43).
The months with the least cloud cover are June and September (Cloud cover 14).
Average visibility in September
Eagle, CO
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Eagle, Colorado, USA
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