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
Whiterocks in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 82°F (27.8°C) in August to a pleasant 73.2°F (22.9°C). Whiterocks reports a marked divergence from daytime peaks throughout September, with lows averaging at a cool 50.9°F (10.5°C).Humidity
In Whiterocks, the average relative humidity in September is 37%.Rainfall
In Whiterocks, in September, it is raining for 6.9 days, with typically 0.47" (12mm) of accumulated precipitation. Throughout the year, in Whiterocks, there are 74.4 rainfall days, and 5.94" (151mm) of precipitation is accumulated.Snowfall
In Whiterocks, snow does not fall in May through September.Daylight
In Whiterocks, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:02 pm MDT.
Sunshine
In Whiterocks, the average sunshine in September is 10.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Whiterocks in September?
What is the average humidity in September?
How much does it rain in Whiterocks in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Whiterocks?
What is the UV index intensity in September?
Average temperature in September
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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
Whiterocks, UT
- Average daylight in September: 12h and 2min
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 18min).
- Average sunshine in September: 10h and 4min
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
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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
Whiterocks, 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).
Whiterocks, Utah, USA
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