September weather forecastSeminole, OK
September
Weather in September
September, the first month of the autumn in Seminole, is still a warm month, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 84.2°F (29°C).Temperature
With the onset of September, Seminole experiences a modest temperature adjustment, with the average high-temperature gently receding from a hot 92.1°F (33.4°C) in August to a warm 84.2°F (29°C). During the month of September, an average low-temperature of 64.4°F (18°C) is recorded in Seminole.Heat index
The heat index value for September is appraised at a hot 89.6°F (32°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In September, the average relative humidity is 68%.Rainfall
In Seminole, during September, the rain falls for 9.3 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 96.1 rainfall days, and 12.28" (312mm) of precipitation is accumulated.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 6:59 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:11 pm CDT.
Sunshine
In Seminole, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. 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
Seminole, OK
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Seminole, 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 (29.89"Hg).
Average wind speed in September
Seminole, OK
- Average wind speed in September: 7.8mph
The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.6mph).
Average humidity in September
Seminole, OK
- Average humidity in September: 68%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Seminole, OK
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Seminole, OK
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Seminole, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Seminole, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Seminole, 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 36min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Seminole, OK
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is May (16.3 days).
Average UV index in September
Seminole, 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
Seminole, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Seminole, 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).
