September weather forecastCripple Creek, CO
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Cripple Creek, Colorado, with an average temperature fluctuating between 70.9°F (21.6°C) and 48.2°F (9°C).Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 77.2°F (25.1°C) to a pleasant 70.9°F (21.6°C). During September, the nighttime temperature presents a clear descent from the daily peaks, falling to an average of 48.2°F (9°C).Humidity
In Cripple Creek, the average relative humidity in September is 51%.Rainfall
In September, in Cripple Creek, the rain falls for 10.5 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Cripple Creek, during the entire year, the rain falls for 120.3 days and collects up to 18.7" (475mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Cripple Creek. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Cripple Creek, during the entire year, snow falls for 56.2 days and aggregates up to 42.13" (1070mm) of snow.Daylight
In Cripple Creek, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm MDT.
Sunshine
In September, the average sunshine in Cripple Creek is 10.9h.UV index
In Cripple Creek, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cripple Creek, CO
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is December (18.3°F).
Average pressure in September
Cripple Creek, CO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in September
Cripple Creek, CO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Cripple Creek, CO
- Average humidity in September: 51%
The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is June (46%).
Average rainfall in September
Cripple Creek, CO
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is July (3.27").
The driest months (with the least rainfall) are November and December (0.63").
Average rainfall days in September
Cripple Creek, CO
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Cripple Creek, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Cripple Creek, CO
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Cripple Creek, CO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 10h and 54min
The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in September
Cripple Creek, CO
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Cripple Creek, CO
- Average UV index in September: 4
The months with the highest UV index are June, July 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
Cripple Creek, CO
- Average cloud cover in September: 17
The month with the most cloud cover is April (Cloud cover 29).
The months with the least cloud cover are September and November (Cloud cover 17).
Average visibility in September
Cripple Creek, 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).





