September weather forecast
Ogden, UT

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At the end of the fall days, the trees in this scenic area of Ogden, Utah
At the end of the fall days, the trees in this scenic area of Ogden, Utah

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.

Frequently asked questions

What is the average September temperature?

In September, the average high-temperature and low-temperature are 72.5°F (22.5°C) and 52.7°F (11.5°C) respectively.

What is the average humidity in September?

The average relative humidity in September is 44%.

How many days does it rain in September?

In Ogden, in September, during 7.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

When does it start to snow?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.39" (10mm) of snow.

What is the average length of the day in September in Ogden?

In Ogden, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:10 pm MDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.9h.

What is the UV index intensity in September?

In Ogden, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ogden, UT

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Ogden, UT
  • Average daylight in September: 12h and 3min

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 5min

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 - 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 - 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 - 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 - 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).

Ogden, Utah, USA

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