September weather forecastWalsenburg, CO

September
Weather in September
The first month of the autumn, September, is also an agreeable month in Walsenburg, Colorado, with an average temperature varying between 68.5°F (20.3°C) and 45°F (7.2°C).Temperature
September signals a slight drop in average high-temperature, sliding from August's moderately hot 74.3°F (23.5°C) to an agreeable 68.5°F (20.3°C). The anticipated average low-temperature for September, a frosty 45°F (7.2°C), shows a substantial deviation from the daytime maximums.Humidity
In Walsenburg, the average relative humidity in September is 53%.Rainfall
In Walsenburg, in September, it is raining for 12.5 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 125.5 rainfall days, and 19.84" (504mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Walsenburg. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Walsenburg, Colorado, there are 73.4 snowfall days, and 53.07" (1348mm) of snow is accumulated.Daylight
In Walsenburg, Colorado, the average length of the day in September is 12h and 25min.On the first day of September in Walsenburg, sunrise is at 6:30 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm MDT.
Sunshine
In September, the average sunshine in Walsenburg is 11.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Walsenburg, CO
- Average high temperature in September: 68.5°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 45°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in September
Walsenburg, CO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).
Average wind speed in September
Walsenburg, CO
- Average wind speed in September: 6mph
The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Walsenburg, CO
- Average humidity in September: 53%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (43%).
Average rainfall in September
Walsenburg, CO
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in September
Walsenburg, CO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in September
Walsenburg, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is March (9.37").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Walsenburg, CO
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Walsenburg, CO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Walsenburg, CO
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (6 days).
Average UV index in September
Walsenburg, CO
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Walsenburg, CO
- Average cloud cover in September: 16
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Walsenburg, 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).





