September weather forecast
Moab, UT

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The red natural rock formation within the iconic Arches National Park in Moab, Utah
The red natural rock formation within the iconic Arches National Park in Moab, Utah

Weather in September

The month of September brings cooler temperatures and shorter daylight hours, signaling the onset of Autumn in Moab. The changing season is visually evident in the leaf colors starting to turn and fall softly to the ground. The pleasant weather, with an average high of 80.1°F (26.7°C), offers excellent conditions for outdoor excursions. October will bring further reduction in temperatures and daylight, suitable for those who favor cooler weather. The Fall season in Moab is extremely picturesque, and September is indeed an excellent time for photographers to capture the changing landscapes.

Temperature

September's arrival in Moab aligns with a minor decrease in average high-temperatures, from August's tropical 88.2°F (31.2°C) to a warm 80.1°F (26.7°C). In the month of September, Moab witnesses a consistent average low-temperature of 61.2°F (16.2°C).

Humidity

In Moab, the average relative humidity in September is 31%.

Rainfall

In Moab, Utah, in September, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation. In Moab, during the entire year, the rain falls for 78.8 days and collects up to 6.38" (162mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day in Moab is 12h and 25min.
On the first day of September, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:01 pm MDT.

Sunshine

In Moab, Utah, the average sunshine in September is 10.8h.

UV index

In September, the average daily maximum UV index in Moab, Utah, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the usual temperature for Moab in September?

In September, in Moab, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 61.2°F (16.2°C).

What is the average humidity in September in Moab?

In September, the average relative humidity is 31%.

How much does it rain in Moab in September?

In Moab, in September, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation.

When it does not snow in Moab?

May through September are months without snowfall in Moab, Utah.

Does it snow in Moab in September?

In Moab, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Moab have in September?

In Moab, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Moab?

In September, on the first day of the month, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:01 pm MDT.

How long on average sun shines in September in Moab?

In Moab, the average sunshine duration in September is 10.8h.

What is the UV index intensity in September in Moab?

In Moab, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Moab, UT

Average temperature in September - Moab, UT
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 61.2°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in September
Moab, UT

Average pressure in September - Moab, UT
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in September
Moab, UT

Average wind speed in September - Moab, UT
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is June (8.1mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).

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Average humidity in September
Moab, UT

Average humidity in September - Moab, UT
  • Average humidity in September: 31%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in September
Moab, UT

Average rainfall in September - Moab, UT
  • Average rainfall in September: 0.51"

The wettest months (with the highest rainfall) are March and July (0.71").
The driest month (with the least rainfall) is June (0.35").

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Average rainfall days in September
Moab, UT

Average rainfall days in September - Moab, UT
  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is November (4.2 days).

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Average snowfall in September
Moab, UT

Average snowfall in September - Moab, UT
  • Average snowfall in September: 0"

The month with the highest snowfall is December (3.35").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Moab, UT

Average snowfall days in September - Moab, UT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Moab, UT
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 10h and 5min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

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Average sunshine days in September
Moab, UT

Average sunshine days in September - Moab, UT
  • Average sunshine days in September: 19.1 days

The month with the most sunshine days is November (24.4 days).
The month with the least sunshine days is July (13.7 days).

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Average UV index in September
Moab, UT

Average UV index in September - Moab, UT
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Moab, UT

Average cloud cover in September - Moab, UT
  • Average cloud cover in September: 9

The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 9).

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Average visibility in September
Moab, UT

Average visibility in September - Moab, 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).

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Moab, Utah, USA

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