September weather forecast
Lake Fork, ID

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Weather in September

The first month of the autumn, September, is still a comfortable month in Lake Fork, Idaho, with an average temperature ranging between max 67.1°F (19.5°C) and min 41.9°F (5.5°C).

Temperature

A moderate decline in the average high-temperature is seen during September, decreasing from a moderately hot 76.6°F (24.8°C) in August to a refreshing 67.1°F (19.5°C). During September, the nighttime temperature presents a clear descent from the daily peaks, falling to an average of 41.9°F (5.5°C).

Humidity

In September, the average relative humidity in Lake Fork is 53%.

Rainfall

In Lake Fork, in September, it is raining for 8.9 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 116.3 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.51" (13mm) of snow. In Lake Fork, during the entire year, snow falls for 119.5 days and aggregates up to 130.79" (3322mm) of snow.

Daylight

In September, the average length of the day in Lake Fork is 12h and 30min.
On the first day of the month, sunrise is at 7:07 am and sunset at 8:20 pm. On the last day of September, sunrise is at 7:42 am and sunset at 7:25 pm MDT.

Sunshine

In Lake Fork, the average sunshine in September is 9.2h.

UV index

In Lake Fork, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 3 in September transforms into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are the temperatures in Lake Fork in September?

In September, the average high-temperature and low-temperature in Lake Fork are 67.1°F (19.5°C) and 41.9°F (5.5°C) respectively.

What is the average humidity in September in Lake Fork?

The average relative humidity in September in Lake Fork is 53%.

How many days does it rain in September in Lake Fork?

In September, in Lake Fork, the rain falls for 8.9 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

When does it start to snow in Lake Fork?

September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.51" (13mm) of snow.

How many hours of daylight does Lake Fork have in September?

In September, the average day length in Lake Fork, Idaho, is 12h and 30min.

What time are sunrise and sunset in September in Lake Fork?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 8:20 pm. On the last day of the month, in Lake Fork, sunrise is at 7:42 am and sunset at 7:25 pm MDT.

How many hours of sunshine does Lake Fork have in September?

In September, the average sunshine duration in Lake Fork is 9.2h.

How high is the UV index in September in Lake Fork?

In September, the average daily maximum UV index is 3. 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lake Fork, ID

Average temperature in September - Lake Fork, ID
  • Average high temperature in September: 67.1°F

The warmest months (with the highest average high temperature) are July and August (76.6°F).
The month with the lowest average high temperature is December (26.4°F).

  • Average low temperature in September: 41.9°F

The month with the highest average low temperature is August (48.2°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in September
Lake Fork, ID

Average pressure in September - Lake Fork, ID
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Lake Fork, ID

Average wind speed in September - Lake Fork, ID
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is March (5.6mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

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Average humidity in September
Lake Fork, ID

Average humidity in September - Lake Fork, ID
  • Average humidity in September: 53%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (45%).

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Average rainfall in September
Lake Fork, ID

Average rainfall in September - Lake Fork, ID
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is March (3.62").
The driest month (with the least rainfall) is July (0.51").

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Average rainfall days in September
Lake Fork, ID

Average rainfall days in September - Lake Fork, ID
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in September
Lake Fork, ID

Average snowfall in September - Lake Fork, ID
  • Average snowfall in September: 0.51"

The month with the highest snowfall is January (26.89").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Lake Fork, ID

Average snowfall days in September - Lake Fork, ID
  • Average snowfall days in September: 0.8 days

The month with the highest number of snowfall days is March (20.6 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
Lake Fork, ID

Average daylight in September / Average sunshine in September - Lake Fork, ID
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

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Average sunshine days in September
Lake Fork, ID

Average sunshine days in September - Lake Fork, ID
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (6.8 days).

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Average UV index in September
Lake Fork, ID

Average UV index in September - Lake Fork, ID
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in September
Lake Fork, ID

Average cloud cover in September - Lake Fork, ID
  • Average cloud cover in September: 19

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 11).

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Average visibility in September
Lake Fork, ID

Average visibility in September - Lake Fork, ID
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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Lake Fork, Idaho, USA

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