September weather forecastOakley, UT
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Oakley, Utah, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 41.9°F (5.5°C).Temperature
With the arrival of September, Oakley experiences a modest decline in average high-temperatures, transitioning from a moderately hot 75.4°F (24.1°C) in August to a refreshing 67.1°F (19.5°C). A noticeable temperature swing characterizes Oakley's September nights, dipping to an average of 41.9°F (5.5°C).Humidity
In Oakley, the average relative humidity in September is 50%.Rainfall
September is the month with the least rainfall. Rain falls for 7.8 days and accumulates 0.67" (17mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.59" (15mm) of snow. In Oakley, during the entire year, snow falls for 95.1 days and aggregates up to 87.56" (2224mm) of snow.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Oakley, sunrise is at 6:53 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:08 pm MDT.
Sunshine
In Oakley, the average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oakley, UT
- Average high temperature in September: 67.1°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (27.3°F).
- Average low temperature in September: 41.9°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in September
Oakley, 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
Oakley, UT
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Oakley, UT
- Average humidity in September: 50%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (45%).
Average rainfall in September
Oakley, UT
- Average rainfall in September: 0.67"
The wettest months (with the highest rainfall) are February and December (2.13").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Oakley, UT
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is November (4 days).
Average snowfall in September
Oakley, UT
- Average snowfall in September: 0.59"
The month with the highest snowfall is December (17.24").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Oakley, UT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (18.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Oakley, 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 12min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Oakley, UT
- Average sunshine days in September: 19.3 days
The months with the most sunshine days are June and October (20.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in September
Oakley, UT
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Oakley, UT
- Average cloud cover in September: 13
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Oakley, UT
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
