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
September's onset brings a negligible change in high-temperatures, falling from a pleasant 70.3°F (21.3°C) in August to an enjoyable 64.2°F (17.9°C). Nighttime temperatures exhibit a substantial dip from daytime highs during September, averaging at a wintry 39.7°F (4.3°C).Humidity
The average relative humidity in September is 53%.Rainfall
In Fairplay, during September, the rain falls for 11.5 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Fairplay, during the entire year, the rain falls for 112.5 days and collects up to 14.13" (359mm) of precipitation.Snowfall
Months with snowfall in Fairplay are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 88 snowfall days, and 51.5" (1308mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:47 pm MDT.
Sunshine
In September, the average sunshine in Fairplay is 11.1h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Fairplay have in September?
What is the UV index reading in September?
Average temperature in September
Fairplay, CO
- Average high temperature in September: 64.2°F
The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is December (28.4°F).
- Average low temperature in September: 39.7°F
The month with the highest average low temperature is July (45.9°F).
The coldest months (with the lowest average low temperature) are January and December (7.2°F).
Average pressure in September
Fairplay, CO
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is April (29.93"Hg).
Average wind speed in September
Fairplay, CO
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Fairplay, CO
- Average humidity in September: 53%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is June (45%).
Average rainfall in September
Fairplay, CO
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (2.64").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in September
Fairplay, CO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in September
Fairplay, CO
- Average snowfall in September: 0.47"
The month with the highest snowfall is April (8.98").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Fairplay, CO
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is April (13.6 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Fairplay, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Fairplay, CO
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Fairplay, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Fairplay, CO
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Fairplay, 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).
Fairplay, Colorado, USA
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