September weather forecastGranite, UT
September
Weather in September
September, the first month of the autumn in Granite, is also an agreeable month, with an average temperature ranging between min 48.6°F (9.2°C) and max 72.9°F (22.7°C).Temperature
The average high-temperature drops in September, from August's warm 82.8°F (28.2°C) to a pleasant 72.9°F (22.7°C). In September, Granite endures a notable temperature shift from day to night, with lows averaging at a chilly 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 44%.Rainfall
In Granite, in September, it is raining for 6.5 days, with typically 0.39" (10mm) of accumulated precipitation. In Granite, during the entire year, the rain falls for 99.8 days and collects up to 8.58" (218mm) of precipitation.Snowfall
In Granite, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:10 pm MDT.
Sunshine
The average sunshine in September is 10h.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 exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Granite, UT
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The months with the lowest average high temperature are January and December (32°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Granite, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Granite, UT
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in September
Granite, UT
- Average humidity in September: 44%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is July (38%).
Average rainfall in September
Granite, UT
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in September
Granite, UT
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is April (12 days).
The month with the least rainy days is June (5.1 days).
Average snowfall in September
Granite, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Granite, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Granite, 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 18min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Granite, UT
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in September
Granite, UT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Granite, UT
- Average cloud cover in September: 12
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Granite, UT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
