September weather forecastWestville, OK
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Westville, Oklahoma, with an average temperature ranging between min 61.7°F (16.5°C) and max 82°F (27.8°C).Temperature
In September, the average high-temperature marginally decreases from a hot 89.2°F (31.8°C) in August to a moderately hot 82°F (27.8°C). Westville, during September nights, observes an average temperature of 61.7°F (16.5°C).Heat index
September's mean heat index is appraised at a hot 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In September, the average relative humidity is 73%.Rainfall
In Westville, in September, it is raining for 12.7 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 144.4 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:50 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:02 pm CDT.
Sunshine
In Westville, the average sunshine in September is 9.3h.UV index
In Westville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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
Average temperature in September
Westville, OK
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in September
Westville, OK
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Westville, OK
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Westville, OK
- Average humidity in September: 73%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in September
Westville, OK
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in September
Westville, OK
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Westville, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Westville, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Westville, OK
- Average daylight in September: 12h and 24min
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 48min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Westville, OK
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Westville, OK
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in September
Westville, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Westville, 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).





