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
Guffey's progression into September involves a gentle drop in the average high-temperature, from an agreeable 73°F (22.8°C) in August to a comfortable 67.1°F (19.5°C). Guffey records a marked daily temperature contrast, with an average low-temperature of 41.4°F (5.2°C) during the nights of September.Humidity
In September, the average relative humidity is 53%.Rainfall
In Guffey, during September, the rain falls for 10.3 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 103.6 rainfall days, and 10.24" (260mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. 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 Guffey, Colorado, during the entire year, snow falls for 64.3 days and aggregates up to 24.57" (624mm) of snow.Daylight
The average length of the day in September in Guffey 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
In September, the average sunshine in Guffey is 10.9h.UV index
The average daily maximum UV index in September in Guffey is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Around midday, solar radiation is most harmful; hence, exposure should be limited. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in September in Guffey?
What is the average humidity in September in Guffey?
How much does it rain in Guffey in September?
When does it start snowing in Guffey?
What is the average length of the day in September in Guffey?
When are sunrise and sunset in September in Guffey?
How many hours of sunshine does Guffey have in September?
How high is the UV index in September in Guffey?
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 2min
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 5min
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).
Guffey, Colorado, USA
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