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 commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a tropical 92.8°F (33.8°C) in August to a warm 84.4°F (29.1°C). Billings's average low-temperature is measured at an enjoyable 64.9°F (18.3°C) during September.Heat index
The heat index value during September is calculated to be a tropical 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In September, the average relative humidity is 65%.Rainfall
In Billings, in September, it is raining for 12.1 days, with typically 2.52" (64mm) of accumulated precipitation. In Billings, during the entire year, the rain falls for 119.3 days and collects up to 23.27" (591mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:14 pm CDT.
Sunshine
The average sunshine in September in Billings, Oklahoma, is 8.7h.UV index
In Billings, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Billings in September?
What is the average humidity in September in Billings?
How many days does it rain in September?
When it does not snow in Billings?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Billings?
How high is the UV index in September?
Average temperature in September
Billings, OK
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
Billings, OK
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Billings, OK
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in September
Billings, OK
- Average humidity in September: 65%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Billings, OK
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in September
Billings, OK
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Billings, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Billings, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Billings, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Billings, OK
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in September
Billings, OK
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Billings, OK
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility in September
Billings, OK
- 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).
Billings, Oklahoma, USA
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