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 signifies a gentle decline in Sheridan's average high-temperature, easing from 85.5°F (29.7°C) in August to a still warm 78.4°F (25.8°C). A steady average of 52.9°F (11.6°C) throughout September in Sheridan, Colorado, underscores a considerable divergence from the daytime high.Humidity
The average relative humidity in September in Sheridan is 42%.Rainfall
In Sheridan, during September, the rain falls for 7.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Sheridan, during the entire year, the rain falls for 80.2 days and collects up to 9.72" (247mm) of precipitation.Snowfall
In Sheridan, snow does not fall in June through September.Daylight
In September, the average length of the day in Sheridan, Colorado, is 12h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:43 pm MDT.
Sunshine
In Sheridan, the average sunshine in September is 11.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Sheridan in September?
What is the average humidity in September in Sheridan?
How many days does it rain in September in Sheridan?
When it does not snow in Sheridan?
Does it snow in Sheridan in September?
What is the average length of the day in September in Sheridan?
When are sunrise and sunset in September in Sheridan?
How many hours of sunshine does Sheridan have in September?
What is the UV index intensity in September in Sheridan?
Average temperature in September
Sheridan, CO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in September
Sheridan, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in September
Sheridan, CO
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in September
Sheridan, CO
- Average humidity in September: 42%
The month with the highest relative humidity is February (64%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in September
Sheridan, CO
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in September
Sheridan, CO
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in September
Sheridan, CO
- Average snowfall in September: 0"
The month with the highest snowfall is April (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sheridan, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Sheridan, 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 24min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in September
Sheridan, CO
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (14 days).
Average UV index in September
Sheridan, CO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sheridan, CO
- Average cloud cover in September: 14
The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Sheridan, 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).
Sheridan, Colorado, USA
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