September weather forecast
Egbert, WY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Egbert, Wyoming, with an average temperature ranging between max 73.8°F (23.2°C) and min 52.3°F (11.3°C).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 81.1°F (27.3°C) to a still moderately hot 73.8°F (23.2°C). Egbert observes an average low-temperature of 52.3°F (11.3°C) during September.

Humidity

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

Rainfall

In Egbert, in September, during 8.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 116 rainfall days, and 14.57" (370mm) of precipitation is accumulated.

Snowfall

In Egbert, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm MDT.

Sunshine

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

UV index

In Egbert, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

September temperatures vary between a high-temperature of 73.8°F (23.2°C) and a low-temperature of 52.3°F (11.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 80.6°F (27°C).

What is the average humidity in September?

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

How much does it rain in September?

In Egbert, in September, during 8.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow?

In Egbert, snow does not fall in June through September.

Does it snow in September?

In Egbert, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Egbert have in September?

In September, the average day length is 12h and 27min.

When is the sunrise / sunset in September in Egbert?

On the first day of September, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm MDT.

How many hours of sunshine does Egbert have in September?

In Egbert, the average sunshine duration in September is 10.7h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Egbert, WY

Average temperature in September - Egbert, WY
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in September
Egbert, WY

Average pressure in September - Egbert, WY
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Egbert, WY

Average wind speed in September - Egbert, WY
  • Average wind speed in September: 9.6mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in September
Egbert, WY

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

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).

Average rainfall in September
Egbert, WY

Average rainfall in September - Egbert, WY
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in September
Egbert, WY

Average rainfall days in September - Egbert, WY
  • Average rainfall days in September: 8.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in September
Egbert, WY

Average snowfall in September - Egbert, WY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Egbert, WY

Average snowfall days in September - Egbert, WY
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Egbert, WY

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

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

  • Average sunshine in September: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

Average sunshine days in September
Egbert, WY

Average sunshine days in September - Egbert, WY
  • Average sunshine days in September: 19 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).

Average UV index in September
Egbert, WY

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Egbert, WY

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

The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).

Average visibility in September
Egbert, WY

Average visibility in September - Egbert, 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).

Egbert, Wyoming, USA

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