September weather forecastHenrieville, UT
September
Weather in September
September, the first month of the autumn in Henrieville, is also an agreeable month, with an average temperature ranging between max 70.5°F (21.4°C) and min 49.6°F (9.8°C).Temperature
Henrieville in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 77.7°F (25.4°C) in August to an agreeable 70.5°F (21.4°C). Henrieville experiences a nighttime temperature average of 49.6°F (9.8°C) during September.Humidity
In Henrieville, the average relative humidity in September is 40%.Rainfall
In Henrieville, in September, it is raining for 7.8 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Henrieville, there are 64.4 rainfall days, and 7.99" (203mm) of precipitation is accumulated.Snowfall
In Henrieville, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:12 pm MDT.
Sunshine
In September, the average sunshine in Henrieville is 9.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Henrieville, UT
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Henrieville, UT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Henrieville, UT
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in September
Henrieville, UT
- Average humidity in September: 40%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (27%).
Average rainfall in September
Henrieville, UT
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
Henrieville, UT
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (1.8 days).
Average snowfall in September
Henrieville, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Henrieville, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Henrieville, UT
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 54min
The months with the most sunshine are June and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in September
Henrieville, UT
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is November (25.4 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in September
Henrieville, UT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Henrieville, UT
- Average cloud cover in September: 11
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in September
Henrieville, UT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





