Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings a minor shift in the average high-temperature, adjusting from a moderately hot 76.3°F (24.6°C) in August to an agreeable 68.2°F (20.1°C). September is characterized by a distinct thermal shift, with nighttime lows averaging at a chilly 45.3°F (7.4°C).Humidity
The average relative humidity in September is 44%.Rainfall
In Old McKeal Place, in September, it is raining for 9.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Old McKeal Place, during the entire year, the rain falls for 105.6 days and collects up to 13.94" (354mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Old McKeal Place. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow. In Old McKeal Place, during the entire year, snow falls for 100.7 days and aggregates up to 54.45" (1383mm) of snow.Daylight
The average length of the day in September in Old McKeal Place is 12h and 28min.On the first day of September in Old McKeal Place, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:50 pm MDT.
Sunshine
In Old McKeal Place, the average sunshine in September is 11h.UV index
In September, the average daily maximum UV index in Old McKeal Place, Wyoming, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Old McKeal Place?
What is the average humidity in September in Old McKeal Place?
How many days does it rain in September in Old McKeal Place?
When does it start to snow in Old McKeal Place?
What is the average length of the day in September in Old McKeal Place?
What time are sunrise and sunset in September in Old McKeal Place?
How long on average sun shines in September in Old McKeal Place?
What is the UV index intensity in September in Old McKeal Place?
Average temperature in September
Old McKeal Place, WY
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is July (52.3°F).
The coldest months (with the lowest average low temperature) are January and December (12.9°F).
Average pressure in September
Old McKeal Place, WY
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Old McKeal Place, WY
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is November (11.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in September
Old McKeal Place, WY
- Average humidity in September: 44%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Old McKeal Place, WY
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in September
Old McKeal Place, WY
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in September
Old McKeal Place, WY
- Average snowfall in September: 0.24"
The month with the highest snowfall is April (9.76").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Old McKeal Place, WY
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Old McKeal Place, 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 12min).
- Average sunshine in September: 11h and 0min
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 30min).
Average sunshine days in September
Old McKeal Place, WY
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Old McKeal Place, WY
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Old McKeal Place, WY
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are August and September (Cloud cover 14).
Average visibility in September
Old McKeal Place, WY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Old McKeal Place, Wyoming, USA
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