September weather forecastSquaretop, OK
September
Weather in September
The first month of the autumn, September, is still a warm month in Squaretop, Oklahoma, with an average temperature ranging between max 84.9°F (29.4°C) and min 65.8°F (18.8°C).Temperature
September comes with a drop in the average high-temperature, falling from August's tropical 94.3°F (34.6°C) to a warm 84.9°F (29.4°C). During the month of September, Squaretop's nighttime temperature lowers to an average of 65.8°F (18.8°C).Heat index
The average heat index in September is calculated to be a hot 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in September is 63%.Rainfall
In Squaretop, during September, the rain falls for 12.2 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Squaretop, during the entire year, the rain falls for 110.3 days and collects up to 20.87" (530mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:59 pm. On the last day of September, in Squaretop, sunrise is at 7:27 am and sunset at 7:18 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Squaretop, OK
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The months with the lowest average high temperature are January and December (50°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in September
Squaretop, OK
- Average pressure in September: 29.97"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
Squaretop, OK
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Squaretop, OK
- Average humidity in September: 63%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Squaretop, OK
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in September
Squaretop, OK
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Squaretop, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Squaretop, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Squaretop, OK
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Squaretop, OK
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is January (25.1 days).
The months with the least sunshine days are May and September (15.3 days).
Average UV index in September
Squaretop, 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
Squaretop, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Squaretop, 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).
