September weather forecast
Mayoworth, WY

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Weather in September

The first month of the autumn, September, is also an agreeable month in Mayoworth, Wyoming, with an average temperature varying between 68.2°F (20.1°C) and 49.1°F (9.5°C).

Temperature

The arrival of September corresponds with a temperature reduction, down from August's moderately hot 77.2°F (25.1°C) to an agreeable 68.2°F (20.1°C). In the month of September, an average of 49.1°F (9.5°C) marks the low-temperature in Mayoworth, Wyoming.

Humidity

In September, the average relative humidity is 47%.

Rainfall

In Mayoworth, in September, it is raining for 11.8 days, with typically 1.34" (34mm) of accumulated precipitation. In Mayoworth, during the entire year, the rain falls for 145.3 days and collects up to 18.78" (477mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. September is the first month it typically snows in Mayoworth. Throughout September, in the average 0.5 snowfall days, it receives 0.94" (24mm) of snow. In Mayoworth, Wyoming, during the entire year, snow falls for 78 days and aggregates up to 39.13" (994mm) of snow.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 6:31 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:49 pm MDT.

Sunshine

The average sunshine in September in Mayoworth is 10.9h.

UV index

In September, the average daily maximum UV index in Mayoworth is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the temperature in September in Mayoworth?

In September, in Mayoworth, the average high-temperature is 68.2°F (20.1°C), and the average low-temperature is 49.1°F (9.5°C).

What is the average humidity in September in Mayoworth?

In Mayoworth, Wyoming, the average relative humidity in September is 47%.

How many days does it rain in September in Mayoworth?

In Mayoworth, in September, during 11.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When does it start snowing in Mayoworth?

September is the first month it typically snows in Mayoworth. Throughout September, in the average 0.5 snowfall days, it receives 0.94" (24mm) of snow.

How many hours of daylight does Mayoworth have in September?

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

What time are sunrise and sunset in September in Mayoworth?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:42 pm. On the last day of the month, in Mayoworth, Wyoming, sunrise is at 7:04 am and sunset at 6:49 pm MDT.

How many hours of sunshine does Mayoworth have in September?

In September, the average sunshine duration in Mayoworth, Wyoming, is 10.9h.

How high is the UV index in September in Mayoworth?

In Mayoworth, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Mayoworth, WY

Average temperature in September - Mayoworth, WY
  • Average high temperature in September: 68.2°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (28.9°F).

  • Average low temperature in September: 49.1°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (14°F).

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Average pressure in September
Mayoworth, WY

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

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Mayoworth, WY

Average wind speed in September - Mayoworth, WY
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in September
Mayoworth, WY

Average humidity in September - Mayoworth, WY
  • Average humidity in September: 47%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in September
Mayoworth, WY

Average rainfall in September - Mayoworth, WY
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (0.47").

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Average rainfall days in September
Mayoworth, WY

Average rainfall days in September - Mayoworth, WY
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is December (5 days).

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Average snowfall in September
Mayoworth, WY

Average snowfall in September - Mayoworth, WY
  • Average snowfall in September: 0.94"

The month with the highest snowfall is April (7.05").
The months with the least snowfall are July and August (0").

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Average snowfall days in September
Mayoworth, WY

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

The month with the highest number of snowfall days is February (13.7 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
Mayoworth, WY

Average daylight in September / Average sunshine in September - Mayoworth, 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 month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

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Average sunshine days in September
Mayoworth, WY

Average sunshine days in September - Mayoworth, WY
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (5.5 days).

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Average UV index in September
Mayoworth, WY

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

The month with the highest UV index is July (UV index 6).
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
Mayoworth, WY

Average cloud cover in September - Mayoworth, WY
  • Average cloud cover in September: 17

The month with the most cloud cover is April (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 17).

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Average visibility in September
Mayoworth, WY

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

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