September weather forecastClinton, OK
September
Weather in September
September, the first month of the autumn in Clinton, is also a moderately hot month, with an average temperature varying between 65.8°F (18.8°C) and 84.6°F (29.2°C).Temperature
A shift in the average high-temperature occurs in September, reducing from a tropical 93.7°F (34.3°C) in August to a moderately hot 84.6°F (29.2°C). In Clinton, the nighttime temperature averages to an enjoyable 65.8°F (18.8°C) during September.Heat index
September's mean heat index is appraised at a tropical 89.6°F (32°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
The average relative humidity in September is 61%.Rainfall
In Clinton, in September, during 12.1 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 106 rainfall days, and 19.96" (507mm) of precipitation is accumulated.Snowfall
In Clinton, Oklahoma, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:20 pm CDT.
Sunshine
In Clinton, the average sunshine in September is 8.9h.UV index
In Clinton, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clinton, OK
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Clinton, 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 (29.86"Hg).
Average wind speed in September
Clinton, OK
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (12.8mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in September
Clinton, OK
- Average humidity in September: 61%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Clinton, OK
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (3.98").
The driest months (with the least rainfall) are January, February and December (0.83").
Average rainfall days in September
Clinton, OK
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Clinton, OK
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Clinton, 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 and September (0 days).
Average daylight in September /
Average sunshine in September
Clinton, 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 54min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Clinton, OK
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14 days).
Average UV index in September
Clinton, 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
Clinton, OK
- Average cloud cover in September: 25
The month with the most cloud cover is April (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Clinton, 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).
