September weather forecast
Wright, WY

Share

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

With the onset of September, Wright's average high-temperature slightly adjusts, moderately receding from August's moderately hot 82.4°F (28°C) to a still warm 73.6°F (23.1°C). In the month of September, the average low-temperature usually rests at a fresh 54.3°F (12.4°C).

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. Throughout the year, there are 108.9 rainfall days, and 15.59" (396mm) of precipitation is accumulated.

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. In Wright, during the entire year, snow falls for 50.5 days and aggregates up to 19.53" (496mm) of snow.

Daylight

In Wright, 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

The average sunshine in September is 10.8h.

UV index

In Wright, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Wright?

The high-temperature during September is 73.6°F (23.1°C) and the low-temperature is 54.3°F (12.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is calculated to be 82.4°F (28°C).

What is the average humidity in September?

In September, the average relative humidity is 44%.

How many days does it rain in September?

In Wright, in September, during 10.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When does it start snowing?

September is the first month it typically snows in Wright. 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?

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

When are sunrise and sunset in September?

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 long on average sun shines in September?

The average sunshine duration in September is 10.8h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Wright, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location