September weather forecastBrush, CO
September
Weather in September
September, the first month of the autumn in Brush, is still a warm month, with an average temperature varying between 56.3°F (13.5°C) and 79.5°F (26.4°C).Temperature
Brush's transition into September involves a gentle shift in temperature, receding from a tropical 86.7°F (30.4°C) in August to a warm 79.5°F (26.4°C). Despite higher daytime temperatures, nighttime averages fall to a moderate 56.3°F (13.5°C) in September.Humidity
August and September, with an average relative humidity of 45%, are the least humid months.Rainfall
In September, the rain falls for 8.5 days. Throughout September, 0.71" (18mm) of precipitation is accumulated. In Brush, during the entire year, the rain falls for 104 days and collects up to 12.09" (307mm) of precipitation.Snowfall
In Brush, snow does not fall in June through September.Daylight
In Brush, the average length of the day in September is 12h and 26min.On the first day of September in Brush, sunrise is at 6:22 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm MDT.
Sunshine
In Brush, the average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index in Brush is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brush, CO
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.7°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).
Average pressure in September
Brush, CO
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Brush, CO
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is December (7.8mph).
Average humidity in September
Brush, CO
- Average humidity in September: 45%
The month with the highest relative humidity is January (64%).
The months with the lowest relative humidity are August and September (45%).
Average rainfall in September
Brush, CO
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in September
Brush, CO
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.9 days).
Average snowfall in September
Brush, CO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brush, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brush, 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: 10h and 36min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in September
Brush, CO
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Brush, 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
Brush, CO
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Brush, 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).
