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 onset of September brings a small shift in high-temperatures, falling from an agreeable 71.6°F (22°C) in August to a comfortable 64.4°F (18°C). Nighttime temperatures exhibit a substantial dip from daytime highs during September, averaging at a wintry 39.4°F (4.1°C).Humidity
The average relative humidity in September is 51%.Rainfall
In Cowdrey, in September, it is raining for 7.2 days, with typically 0.55" (14mm) of accumulated precipitation. In Cowdrey, during the entire year, the rain falls for 88.8 days and collects up to 13.19" (335mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 1.4 snowfall days, it receives 0.51" (13mm) of snow. In Cowdrey, during the entire year, snow falls for 125.8 days and aggregates up to 76.73" (1949mm) of snow.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:37 pm. On the last day of September, in Cowdrey, sunrise is at 7:01 am and sunset at 6:48 pm MDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
The average daily maximum UV index in September in Cowdrey is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 in September translates into these instructions:
Guard yourself - Avoiding sunburn is suggested. Around midday, solar radiation is most harmful; hence, exposure should be limited. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
How many hours of daylight does Cowdrey have in September?
What time are sunrise and sunset in September in Cowdrey?
How many hours of sunshine does Cowdrey have in September?
How high is the UV index in September?
Average temperature in September
Cowdrey, CO
- Average high temperature in September: 64.4°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is December (23.9°F).
- Average low temperature in September: 39.4°F
The month with the highest average low temperature is July (46.2°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Cowdrey, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Cowdrey, CO
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Cowdrey, CO
- Average humidity in September: 51%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (49%).
Average rainfall in September
Cowdrey, CO
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is April (1.77").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in September
Cowdrey, CO
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is November (4.5 days).
Average snowfall in September
Cowdrey, CO
- Average snowfall in September: 0.51"
The month with the highest snowfall is April (12.48").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Cowdrey, CO
- Average snowfall days in September: 1.4 days
The month with the highest number of snowfall days is February (20.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Cowdrey, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in September
Cowdrey, CO
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Cowdrey, 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 January and December (UV index 1).
Average cloud cover in September
Cowdrey, CO
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Cowdrey, 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 and February (4mi).
Cowdrey, Colorado, USA
Weather forecast for your location
2. Allow the app to use your location