September weather forecastGuffey, CO
September
Weather in September
September, the first month of the autumn in Guffey, is also an enjoyable month, with an average temperature ranging between max 67.1°F (19.5°C) and min 41.4°F (5.2°C).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's pleasant 73°F (22.8°C) to a refreshing 67.1°F (19.5°C). Guffey's nighttime temperatures in September reflect a stark contrast to the day's highs, falling to an average low of 41.4°F (5.2°C).Humidity
The average relative humidity in September is 53%.Rainfall
In Guffey, in September, during 10.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Guffey, during the entire year, the rain falls for 103.6 days and collects up to 10.24" (260mm) 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 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 64.3 snowfall days, and 24.57" (624mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:31 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:45 pm MDT.
Sunshine
The average sunshine in September is 10.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guffey, CO
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 41.4°F
The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Guffey, CO
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).
Average wind speed in September
Guffey, CO
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Guffey, CO
- Average humidity in September: 53%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (46%).
Average rainfall in September
Guffey, CO
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.2").
Average rainfall days in September
Guffey, CO
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (2 days).
Average snowfall in September
Guffey, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is April (4.57").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Guffey, CO
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Guffey, 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 month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in September
Guffey, CO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (24.2 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in September
Guffey, CO
- Average UV index in September: 4
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Guffey, CO
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 30).
The months with the least cloud cover are June and October (Cloud cover 17).
Average visibility in September
Guffey, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
