September weather forecastOgden, UT

September
Weather in September
With the arrival of September, Ogden moves towards a delightful fall season. The temperatures offer more comfortable conditions than in the height of summer, while the arrival of fall is accompanied by a negligible snowfall of 0.39" (10mm). As the month advances, days become noticeably shorter, and signs of the changing seasons become more evident. The city lingers between summer bliss and autumn grandeur. Compared to the previous month, September offers a blend of summer's warmth and autumn's refreshing coolness.Temperature
As August transitions into September, Ogden sees a drop in the average high-temperature, transitioning from a warm 81.9°F (27.7°C) to an agreeable 72.5°F (22.5°C). Ogden, during the month of September, experiences an average low-temperature of 52.7°F (11.5°C).Humidity
The average relative humidity in September is 44%.Rainfall
In Ogden, in September, it is raining for 7.5 days, with typically 0.98" (25mm) of accumulated precipitation. In Ogden, during the entire year, the rain falls for 91.6 days and collects up to 11.06" (281mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.39" (10mm) of snow. In Ogden, during the entire year, snow falls for 37.8 days and aggregates up to 24.76" (629mm) of snow.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:10 pm MDT.
Sunshine
In Ogden, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ogden, UT
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Ogden, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Ogden, UT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Ogden, UT
- Average humidity in September: 44%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in September
Ogden, UT
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is April (1.26").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in September
Ogden, UT
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in September
Ogden, UT
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (6.89").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Ogden, UT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ogden, UT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 54min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Ogden, UT
- Average sunshine days in September: 18.8 days
The months with the most sunshine days are October and November (21.6 days).
The month with the least sunshine days is April (14.7 days).
Average UV index in September
Ogden, UT
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ogden, UT
- Average cloud cover in September: 13
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Ogden, 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).





