September weather forecast
Bluff, UT

Weather in September

The first month of the autumn, September, is still a warm month in Bluff, Utah, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 58.1°F (14.5°C).

Temperature

In Bluff, the average high-temperature in September slightly decreases from 84.7°F (29.3°C) in August to a still warm 77.4°F (25.2°C). In Bluff, the average low-temperature is 58.1°F (14.5°C).

Humidity

In Bluff, the average relative humidity in September is 35%.

Rainfall

In Bluff, Utah, in September, it is raining for 8.2 days, with typically 0.63" (16mm) of accumulated precipitation. In Bluff, during the entire year, the rain falls for 73.8 days and collects up to 7.72" (196mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Bluff, the average length of the day in September is 12h and 25min.
On the first day of September in Bluff, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:03 pm MDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Bluff is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Bluff?

In Bluff, Utah, in September, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in September in Bluff?

The average relative humidity in September is 35%.

How much does it rain in Bluff in September?

In Bluff, Utah, in September, it is raining for 8.2 days, with typically 0.63" (16mm) of accumulated precipitation.

When it does not snow in Bluff?

In Bluff, Utah, snow does not fall in May through September.

Does it snow in Bluff in September?

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

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

The average day length in September in Bluff, Utah, is 12h and 25min.

When are sunrise and sunset in September in Bluff?

On the first day of September in Bluff, Utah, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:03 pm MDT.

How many hours of sunshine does Bluff have in September?

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

What is the UV index reading in September in Bluff?

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

Average temperature in September
Bluff, UT

Average temperature in September - Bluff, UT
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in September
Bluff, UT

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

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in September
Bluff, UT

Average wind speed in September - Bluff, UT
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).

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Average humidity in September
Bluff, UT

Average humidity in September - Bluff, UT
  • Average humidity in September: 35%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in September
Bluff, UT

Average rainfall in September - Bluff, UT
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is June (0.31").

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Average rainfall days in September
Bluff, UT

Average rainfall days in September - Bluff, UT
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall in September
Bluff, UT

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

The month with the highest snowfall is December (5.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Bluff, UT

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

The month with the highest number of snowfall days is December (6.5 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
Bluff, UT

Average daylight in September / Average sunshine in September - Bluff, UT
  • Average daylight in September: 12h and 25min

The month with the longest days is June (Average daylight: 14h and 41min).
The month with the shortest days is December (Average daylight: 9h and 39min).

  • Average sunshine in September: 10h and 48min

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

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Average sunshine days in September
Bluff, UT

Average sunshine days in September - Bluff, UT
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in September
Bluff, UT

Average UV index in September - Bluff, 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).

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Average cloud cover in September
Bluff, UT

Average cloud cover in September - Bluff, UT
  • Average cloud cover in September: 11

The months with the most cloud cover are January and December (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 10).

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Average visibility in September
Bluff, UT

Average visibility in September - Bluff, UT
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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