September weather forecastBluebell, UT
September
Weather in September
September, the first month of the autumn in Bluebell, is still a pleasant month, with an average temperature ranging between max 73.2°F (22.9°C) and min 50.9°F (10.5°C).Temperature
In Bluebell, the average high-temperature in September slightly decreases from a moderately hot 82°F (27.8°C) in August to a pleasant 73.2°F (22.9°C). Bluebell documents a significant temperature variance in September, with the mean nighttime lows settling at a cool 50.9°F (10.5°C).Humidity
The average relative humidity in September in Bluebell is 37%.Rainfall
In September, in Bluebell, the rain falls for 6.9 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 74.4 rainfall days, and 5.94" (151mm) of precipitation is accumulated.Snowfall
In Bluebell, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of September, in Bluebell, sunrise is at 7:17 am and sunset at 7:04 pm MDT.
Sunshine
The average sunshine in September in Bluebell is 10.7h.UV index
In Bluebell, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bluebell, UT
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Bluebell, UT
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Bluebell, UT
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is January (3.8mph).
Average humidity in September
Bluebell, UT
- Average humidity in September: 37%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (31%).
Average rainfall in September
Bluebell, UT
- Average rainfall in September: 0.47"
The wettest months (with the highest rainfall) are March and May (0.67").
The driest month (with the least rainfall) is November (0.24").
Average rainfall days in September
Bluebell, UT
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is July (9.4 days).
The month with the least rainy days is November (2.3 days).
Average snowfall in September
Bluebell, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bluebell, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bluebell, UT
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 42min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Bluebell, UT
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is November (25.8 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in September
Bluebell, UT
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Bluebell, UT
- Average cloud cover in September: 11
The month with the most cloud cover is February (Cloud cover 27).
The months with the least cloud cover are August and September (Cloud cover 11).
Average visibility in September
Bluebell, UT
- 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).





