September weather forecast
Carlile, WY

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Weather in September

The first month of the autumn, September, is still a warm month in Carlile, Wyoming, with an average temperature varying between 73.6°F (23.1°C) and 54.1°F (12.3°C).

Temperature

September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 82.4°F (28°C) in August to a still moderately hot 73.6°F (23.1°C). Carlile experiences a steady low-temperature of 54.1°F (12.3°C) throughout September.

Humidity

The average relative humidity in September is 43%.

Rainfall

In Carlile, in September, it is raining for 10 days, with typically 1.14" (29mm) of accumulated precipitation. In Carlile, during the entire year, the rain falls for 108.7 days and collects up to 15.71" (399mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Carlile. September is the first month it typically snows in Carlile. Throughout September, in the average 0.5 snowfall days, it receives 1.3" (33mm) of snow. Throughout the year, there are 50.6 snowfall days, and 20.51" (521mm) of snow is accumulated.

Daylight

In Carlile, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:35 pm. On the last day of September, in Carlile, sunrise is at 6:56 am and sunset at 6:41 pm MDT.

Sunshine

In Carlile, the average sunshine in September is 10.7h.

UV index

In Carlile, Wyoming, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What are September temperatures in Carlile?

The high-temperature, in September, in Carlile, is 73.6°F (23.1°C), while the low-temperature averages to 54.1°F (12.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is estimated at 82.4°F (28°C).

What is the average humidity in September in Carlile?

The average relative humidity in September in Carlile is 43%.

How many days does it rain in September in Carlile?

In Carlile, during September, the rain falls for 10 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When does it start to snow in Carlile?

September is the first month it typically snows in Carlile. Throughout September, in the average 0.5 snowfall days, it receives 1.3" (33mm) of snow.

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

The average day length in September is 12h and 30min.

When are sunrise and sunset in September in Carlile?

On the first day of September, sunrise is at 6:22 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:41 pm MDT.

How long on average sun shines in September in Carlile?

The average sunshine duration in September is 10.7h.

How high is the UV index in September in Carlile?

In Carlile, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Carlile, WY

Average temperature in September - Carlile, WY
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).

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Average pressure in September
Carlile, WY

Average pressure in September - Carlile, WY
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in September
Carlile, WY

Average wind speed in September - Carlile, WY
  • Average wind speed in September: 10.2mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).

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Average humidity in September
Carlile, WY

Average humidity in September - Carlile, WY
  • Average humidity in September: 43%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in September
Carlile, WY

Average rainfall in September - Carlile, WY
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in September
Carlile, WY

Average rainfall days in September - Carlile, WY
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (1.5 days).

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Average snowfall in September
Carlile, WY

Average snowfall in September - Carlile, WY
  • Average snowfall in September: 1.3"

The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in September
Carlile, WY

Average snowfall days in September - Carlile, WY
  • Average snowfall days in September: 0.5 days

The month with the highest number of snowfall days is February (9.1 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
Carlile, WY

Average daylight in September / Average sunshine in September - Carlile, WY
  • 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: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

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Average sunshine days in September
Carlile, WY

Average sunshine days in September - Carlile, WY
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in September
Carlile, WY

Average UV index in September - Carlile, WY
  • Average UV index in September: 4

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, April, November and December (UV index 2).

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Average cloud cover in September
Carlile, WY

Average cloud cover in September - Carlile, WY
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in September
Carlile, WY

Average visibility in September - Carlile, WY
  • 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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Carlile, Wyoming, USA

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