September weather forecastChimney Rock, CO
September
Weather in September
September, the first month of the autumn in Chimney Rock, is still a pleasant month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 68.7°F (20.4°C).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 75.7°F (24.3°C) to an agreeable 68.7°F (20.4°C). Chimney Rock's September nights bring a significant temperature shift, averaging at a frosty 45.3°F (7.4°C).Humidity
The average relative humidity in September in Chimney Rock is 52%.Rainfall
In Chimney Rock, during September, the rain falls for 14.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Chimney Rock, during the entire year, the rain falls for 107.8 days and collects up to 18.07" (459mm) of precipitation.Snowfall
In Chimney Rock, snow does not fall in June through September.Daylight
In September, the average length of the day in Chimney Rock is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:53 pm MDT.
Sunshine
In September, the average sunshine in Chimney Rock is 11h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chimney Rock, CO
- Average high temperature in September: 68.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Chimney Rock, CO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is May (29.91"Hg).
Average wind speed in September
Chimney Rock, CO
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are April, May and June (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in September
Chimney Rock, CO
- Average humidity in September: 52%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is June (37%).
Average rainfall in September
Chimney Rock, CO
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days in September
Chimney Rock, CO
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in September
Chimney Rock, CO
- Average snowfall in September: 0"
The month with the highest snowfall is December (13.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chimney Rock, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chimney Rock, 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 42min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Chimney Rock, CO
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in September
Chimney Rock, 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, March, October, November and December (UV index 2).
Average cloud cover in September
Chimney Rock, CO
- Average cloud cover in September: 14
The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility in September
Chimney Rock, 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).
