September weather forecast
Burley, ID

Weather in September

The first month of the autumn, September, is still a warm month in Burley, Idaho, with an average temperature ranging between min 53.8°F (12.1°C) and max 76.1°F (24.5°C).

Temperature

In September, the average high-temperature drops from a tropical 86.9°F (30.5°C) in August to a moderately hot 76.1°F (24.5°C). In Burley, Idaho, in September, the average low-temperature is 53.8°F (12.1°C).

Humidity

The average relative humidity in September is 35%.

Rainfall

In Burley, during September, the rain falls for 6.3 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Burley, Idaho, there are 105.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Burley, there are 50.9 snowfall days, and 24.57" (624mm) of snow is accumulated.

Daylight

In Burley, the average length of the day in September is 12h and 28min.
On the first day of September in Burley, sunrise is at 7:00 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:18 pm MDT.

Sunshine

In Burley, Idaho, the average sunshine in September is 9.6h.

UV index

In Burley, Idaho, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in September in Burley?

The average relative humidity in September in Burley, Idaho, is 35%.

How much does it rain in Burley in September?

In Burley, Idaho, in September, during 6.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When does it start to snow in Burley?

September is the first month it typically snows in Burley, Idaho. 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 in Burley?

The average day length in September in Burley, Idaho, is 12h and 28min.

When is the sunrise / sunset in September in Burley?

In September, on the first day of the month, sunrise is at 7:00 am and sunset at 8:09 pm. On the last day of the month, in Burley, Idaho, sunrise is at 7:31 am and sunset at 7:18 pm MDT.

How many hours of sunshine does Burley have in September?

The average sunshine duration in September in Burley is 9.6h.

How high is the UV index in September in Burley?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Burley, ID

Average temperature in September - Burley, ID
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in September: 53.8°F

The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

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Average pressure in September
Burley, ID

Average pressure in September - Burley, ID
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Burley, ID

Average wind speed in September - Burley, ID
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).

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Average humidity in September
Burley, ID

Average humidity in September - Burley, ID
  • Average humidity in September: 35%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).

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Average rainfall in September
Burley, ID

Average rainfall in September - Burley, ID
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in September
Burley, ID

Average rainfall days in September - Burley, ID
  • Average rainfall days in September: 6.3 days

The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).

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Average snowfall in September
Burley, ID

Average snowfall in September - Burley, ID
  • Average snowfall in September: 0.16"

The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Burley, ID

Average snowfall days in September - Burley, ID
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Burley, ID

Average daylight in September / Average sunshine in September - Burley, ID
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 15min).
The month with the shortest days is December (Average daylight: 9h and 7min).

  • Average sunshine in September: 9h and 36min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in September
Burley, ID

Average sunshine days in September - Burley, ID
  • Average sunshine days in September: 21.6 days

The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).

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Average UV index in September
Burley, ID

Average UV index in September - Burley, ID
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Burley, ID

Average cloud cover in September - Burley, ID
  • Average cloud cover in September: 14

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in September
Burley, ID

Average visibility in September - Burley, ID
  • 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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