September weather forecastRangely, CO
September
Weather in September
September, the first month of the autumn in Rangely, is also a moderately hot month, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 73.9°F (23.3°C).Temperature
The advent of September brings a slight shift in average high-temperature, moving from 82°F (27.8°C) in August to a still moderately hot 73.9°F (23.3°C). Rangely records an average low of 53.4°F (11.9°C) throughout the nights in September.Humidity
The average relative humidity in September is 36%.Rainfall
In Rangely, in September, during 9.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Rangely, Colorado, during the entire year, the rain falls for 114.4 days and collects up to 10.16" (258mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Rangely, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:43 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:58 pm MDT.
Sunshine
In September, the average sunshine is 11h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rangely, CO
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Rangely, CO
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Rangely, CO
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in September
Rangely, CO
- Average humidity in September: 36%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (31%).
Average rainfall in September
Rangely, CO
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is April (1.18").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Rangely, CO
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in September
Rangely, CO
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rangely, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rangely, CO
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 11h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Rangely, CO
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Rangely, 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, October, November and December (UV index 2).
Average cloud cover in September
Rangely, CO
- Average cloud cover in September: 12
The months with the most cloud cover are January and February (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in September
Rangely, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
