September weather forecast
Huntsville, UT

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Weather in September

The first month of the autumn, September, is still a pleasant month in Huntsville, Utah, with an average temperature varying between 48.4°F (9.1°C) and 71.1°F (21.7°C).

Temperature

Huntsville's September weather features a mild decline in high-temperatures, reducing from a moderately hot 80.4°F (26.9°C) in August to a pleasant 71.1°F (21.7°C). Huntsville reports a marked divergence from daytime peaks throughout September, with lows averaging at a frosty 48.4°F (9.1°C).

Humidity

In September, the average relative humidity is 46%.

Rainfall

In September, the rain falls for 9.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Huntsville, during the entire year, the rain falls for 116.8 days and collects up to 18.86" (479mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 70.1 snowfall days, and 70.39" (1788mm) of snow is accumulated.

Daylight

In Huntsville, the average length of the day in September is 12h and 27min.
On the first day of September in Huntsville, sunrise is at 6:54 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:09 pm MDT.

Sunshine

The average sunshine in September is 10h.

UV index

In Huntsville, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in September?

The average high-temperature, in September, in Huntsville, is 71.1°F (21.7°C), while the average low-temperature is 48.4°F (9.1°C).

What is the average humidity in September?

The average relative humidity in September is 46%.

How much does it rain in September?

In Huntsville, during September, the rain falls for 9.7 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When does it start to snow?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in September?

The average day length in September in Huntsville is 12h and 27min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:54 am and sunset at 7:59 pm. On the last day of the month, in Huntsville, sunrise is at 7:23 am and sunset at 7:09 pm MDT.

How many hours of sunshine does Huntsville have in September?

The average sunshine duration in September is 10h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Huntsville, UT

Average temperature in September - Huntsville, UT
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 48.4°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in September
Huntsville, UT

Average pressure in September - Huntsville, 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 (29.88"Hg).

Average wind speed in September
Huntsville, UT

Average wind speed in September - Huntsville, UT
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are April and August (6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

Average humidity in September
Huntsville, UT

Average humidity in September - Huntsville, UT
  • Average humidity in September: 46%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (39%).

Average rainfall in September
Huntsville, UT

Average rainfall in September - Huntsville, UT
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is January (2.44").
The driest month (with the least rainfall) is July (0.71").

Average rainfall days in September
Huntsville, UT

Average rainfall days in September - Huntsville, UT
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is November (7.1 days).

Average snowfall in September
Huntsville, UT

Average snowfall in September - Huntsville, UT
  • Average snowfall in September: 0.16"

The month with the highest snowfall is January (17.68").
The months with the least snowfall are July and August (0").

Average snowfall days in September
Huntsville, UT

Average snowfall days in September - Huntsville, UT
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (14.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Huntsville, UT

Average daylight in September / Average sunshine in September - Huntsville, 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: 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 12min).

Average sunshine days in September
Huntsville, UT

Average sunshine days in September - Huntsville, UT
  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is February (10.2 days).

Average UV index in September
Huntsville, UT

Average UV index in September - Huntsville, UT
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in September
Huntsville, UT

Average cloud cover in September - Huntsville, UT
  • Average cloud cover in September: 13

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in September
Huntsville, UT

Average visibility in September - Huntsville, 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).

Huntsville, Utah, USA

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