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 shift from August to September includes a small decrease in the average high-temperature, from a hot 87.4°F (30.8°C) to a moderately hot 79.7°F (26.5°C). September nights see a notable contrast from daytime highs, with the nighttime temperature averaging at a cool 52.7°F (11.5°C).Humidity
The average relative humidity in September is 43%.Rainfall
In Severance, during September, the rain falls for 5.9 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Severance, during the entire year, the rain falls for 93.1 days and collects up to 10.2" (259mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Severance is 12h and 27min.On the first day of September, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm MDT.
Sunshine
In September, the average sunshine is 10.8h.UV index
In Severance, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during September leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Severance?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Severance?
When is the sunrise / sunset in September?
How many hours of sunshine does Severance have in September?
How high is the UV index in September in Severance?
Average temperature in September
Severance, CO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (39.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in September
Severance, CO
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Severance, CO
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are August and December (5.8mph).
Average humidity in September
Severance, CO
- Average humidity in September: 43%
The months with the highest relative humidity are February and December (63%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Severance, CO
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Severance, CO
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Severance, CO
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Severance, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Severance, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Severance, CO
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Severance, CO
- Average UV index in September: 4
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
Severance, CO
- Average cloud cover in September: 17
The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 17).
Average visibility in September
Severance, 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).
Severance, Colorado, USA
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