September weather forecast
Pinedale, WY

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Weather in September

With temperatures seeing a dramatic drop to between 44.1°F (6.7°C) and 66.4°F (19.1°C), September in Pinedale, Wyoming signals the advent of the early fall. A transitional month from the blazing summer to the crisp fall, September brings about an intriguing dilemma - the wardrobe overhaul. The earlier luxuriant hours of daylight assumed a reduction to 12.5 hours, while the wind pace steadies at 5.8mph (9.3km/h). The slight chill in the air seeped in by the evening further intensifies the fall feels. The golden hues of the autumn deliver a sumptuous visual feast, making September a sought-after period to visit.

Temperature

The arrival of September signals a subtle shift in temperature, down from a moderately hot 75°F (23.9°C) in August to a refreshing 66.4°F (19.1°C). Pinedale, amid September nights, sees a noteworthy disparity from daily highs with an average temperature of 44.1°F (6.7°C).

Humidity

The average relative humidity in September in Pinedale is 44%.

Rainfall

In Pinedale, in September, it is raining for 8.8 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Pinedale, there are 109.9 rainfall days, and 10.59" (269mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 0.59" (15mm) of snow. Throughout the year, there are 89 snowfall days, and 43.43" (1103mm) of snow is accumulated.

Daylight

In Pinedale, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 6:44 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:01 pm MDT.

Sunshine

The average sunshine in September in Pinedale is 10.7h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 3 in September suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What are September temperatures in Pinedale?

The high-temperature, in September, in Pinedale, records 66.4°F (19.1°C), while the low-temperature is 44.1°F (6.7°C).

What is the average humidity in September in Pinedale?

In September, the average relative humidity is 44%.

How much does it rain in Pinedale in September?

In Pinedale, Wyoming, during September, the rain falls for 8.8 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When does it start to snow in Pinedale?

September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 0.59" (15mm) of snow.

How many hours of daylight does Pinedale have in September?

In Pinedale, the average day length in September is 12h and 29min.

What time are sunrise and sunset in September in Pinedale?

On the first day of September, sunrise is at 6:44 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:01 pm MDT.

How many hours of sunshine does Pinedale have in September?

The average sunshine duration in September in Pinedale, Wyoming, is 10.7h.

How high is the UV index in September in Pinedale?

The average daily maximum UV index in September in Pinedale, Wyoming, is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Pinedale, WY

Average temperature in September - Pinedale, WY
  • Average high temperature in September: 66.4°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (23.7°F).

  • Average low temperature in September: 44.1°F

The month with the highest average low temperature is July (52°F).
The coldest month (with the lowest average low temperature) is December (5°F).

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Average pressure in September
Pinedale, WY

Average pressure in September - Pinedale, WY
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Pinedale, WY

Average wind speed in September - Pinedale, WY
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

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Average humidity in September
Pinedale, WY

Average humidity in September - Pinedale, WY
  • Average humidity in September: 44%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in September
Pinedale, WY

Average rainfall in September - Pinedale, WY
  • Average rainfall in September: 0.83"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are July and August (0.63").

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Average rainfall days in September
Pinedale, WY

Average rainfall days in September - Pinedale, WY
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall in September
Pinedale, WY

Average snowfall in September - Pinedale, WY
  • Average snowfall in September: 0.59"

The month with the highest snowfall is April (7.36").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Pinedale, WY

Average snowfall days in September - Pinedale, WY
  • Average snowfall days in September: 0.7 days

The months with the highest number of snowfall days are February and March (15.1 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
Pinedale, WY

Average daylight in September / Average sunshine in September - Pinedale, WY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

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Average sunshine days in September
Pinedale, WY

Average sunshine days in September - Pinedale, WY
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in September
Pinedale, WY

Average UV index in September - Pinedale, WY
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in September
Pinedale, WY

Average cloud cover in September - Pinedale, WY
  • Average cloud cover in September: 14

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in September
Pinedale, WY

Average visibility in September - Pinedale, WY
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Pinedale, Wyoming, USA

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