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
During the shift to September, Egnar records a mild decrease in average high-temperature, moving from 81.5°F (27.5°C) in August to a still moderately hot 74.5°F (23.6°C). The temperature dips to an average of 55°F (12.8°C) during September nights.Humidity
In September, the average relative humidity is 39%.Rainfall
In Egnar, during September, the rain falls for 10.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Egnar, during the entire year, the rain falls for 94.8 days and collects up to 12.72" (323mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Egnar, there are 44.3 snowfall days, and 31.34" (796mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:46 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:59 pm MDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the 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 much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When is the sunrise / sunset in September in Egnar?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Egnar, CO
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Egnar, CO
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Egnar, CO
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in September
Egnar, CO
- Average humidity in September: 39%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (25%).
Average rainfall in September
Egnar, CO
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.59").
Average rainfall days in September
Egnar, CO
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in September
Egnar, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Egnar, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Egnar, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in September
Egnar, CO
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Egnar, CO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Egnar, CO
- Average cloud cover in September: 12
The month with the most cloud cover is December (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in September
Egnar, CO
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Egnar, Colorado, USA
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