September weather forecast
Wright, WY

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Weather in September

September in Wright, Wyoming sees a transition from summer to fall. The temperatures noticeably drop down to highs of roughly 73.6°F (23.1°C). The onset of fall brings with it the end of rainfall period, as rainfall avarages around 1.02" (26mm). The first traces of snow can be observed with a minor snowfall of 0.31" (8mm) on average. Although there are shorter daylight hours, about 12.5, the weather remains quite pleasant.

Temperature

In Wright, the average high-temperature in September slightly decreases from 82.4°F (28°C) in August to a still moderately hot 73.6°F (23.1°C). During the nights in September, an average low-temperature of 54.3°F (12.4°C) is observed.

Humidity

The average relative humidity in September is 44%.

Rainfall

In Wright, during September, the rain falls for 10.2 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Wright, during the entire year, the rain falls for 108.9 days and collects up to 15.59" (396mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 50.5 snowfall days, and 19.53" (496mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:36 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:44 pm MDT.

Sunshine

In Wright, the average sunshine in September is 10.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What are the temperatures in Wright in September?

During September, Wright experiences an average high-temperature of 73.6°F (23.1°C) and a low-temperature of 54.3°F (12.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 82.4°F (28°C).

What is the average humidity in September in Wright?

In Wright, the average relative humidity in September is 44%.

How many days does it rain in September in Wright?

In Wright, Wyoming, during September, the rain falls for 10.2 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When does it start snowing in Wright?

September is the first month it typically snows in Wright, Wyoming. Throughout September, in the average 0.4 snowfall days, it receives 0.31" (8mm) of snow.

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

The average day length in September is 12h and 29min.

When is the sunrise / sunset in September in Wright?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:44 pm MDT.

How many hours of sunshine does Wright have in September?

The average sunshine duration in September in Wright is 10.8h.

What is the UV index intensity in September in Wright?

The average daily maximum UV index in September in Wright, Wyoming, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Wright, WY

Average temperature in September - Wright, 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: 54.3°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
Wright, WY

Average pressure in September - Wright, 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
Wright, WY

Average wind speed in September - Wright, WY
  • Average wind speed in September: 10.1mph

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
Wright, WY

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

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
Wright, WY

Average rainfall in September - Wright, WY
  • Average rainfall in September: 1.02"

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
Wright, WY

Average rainfall days in September - Wright, WY
  • Average rainfall days in September: 10.2 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
Wright, WY

Average snowfall in September - Wright, WY
  • Average snowfall in September: 0.31"

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
Wright, WY

Average snowfall days in September - Wright, WY
  • Average snowfall days in September: 0.4 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
Wright, WY

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 10h and 5min

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
Wright, WY

Average sunshine days in September - Wright, WY
  • Average sunshine days in September: 16.4 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
Wright, WY

Average UV index in September - Wright, 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
Wright, WY

Average cloud cover in September - Wright, 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
Wright, WY

Average visibility in September - Wright, 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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Wright, Wyoming, USA

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