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
The start of September comes with a reduction in the average high-temperature, receding from a moderately hot 80.8°F (27.1°C) in August to an agreeable 71.6°F (22°C). During the month of September, Bairoil anticipates a mean low-temperature of 50.9°F (10.5°C).Humidity
In Bairoil, the average relative humidity in September is 38%.Rainfall
In Bairoil, Wyoming, in September, during 6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Bairoil, during the entire year, the rain falls for 74.8 days and collects up to 5.71" (145mm) of precipitation.Snowfall
In Bairoil, snow does not fall in June through September.Daylight
In Bairoil, the average length of the day in September is 12h and 28min.On the first day of September in Bairoil, sunrise is at 6:36 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:52 pm MDT.
Sunshine
In Bairoil, the average sunshine in September is 11h.UV index
In Bairoil, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Bairoil?
What is the average humidity in September in Bairoil?
How many days does it rain in September in Bairoil?
When it does not snow in Bairoil?
Does it snow in Bairoil in September?
What is the average length of the day in September in Bairoil?
What time are sunrise and sunset in September in Bairoil?
How long on average sun shines in September in Bairoil?
How high is the UV index in September in Bairoil?
Average temperature in September
Bairoil, WY
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in September
Bairoil, WY
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Bairoil, WY
- Average wind speed in September: 9.6mph
The windiest months (with the highest average wind speed) are April and November (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Bairoil, WY
- Average humidity in September: 38%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Bairoil, WY
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is April (0.79").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in September
Bairoil, WY
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is April (10.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Bairoil, WY
- Average snowfall in September: 0"
The months with the highest snowfall are March and December (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bairoil, WY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bairoil, WY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Bairoil, WY
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is September (22.1 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in September
Bairoil, 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).
Average cloud cover in September
Bairoil, WY
- Average cloud cover in September: 13
The month with the most cloud cover is February (Cloud cover 37).
The months with the least cloud cover are August and September (Cloud cover 13).
Average visibility in September
Bairoil, 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).
Bairoil, Wyoming, USA
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