September weather forecastNinnekah, OK
September
Weather in September
The first month of the autumn, September, is still a warm month in Ninnekah, Oklahoma, with an average temperature fluctuating between 65.8°F (18.8°C) and 84.9°F (29.4°C).Temperature
The average high-temperature decreases in September, shifting from a tropical 94.1°F (34.5°C) in August to a warm 84.9°F (29.4°C). Ninnekah's temperature lowers to a mean of 65.8°F (18.8°C) during the nights in September.Heat index
The heat index value during September is evaluated at a tropical 89.6°F (32°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in September is 64%.Rainfall
In Ninnekah, during September, the rain falls for 8.9 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 85.1 rainfall days, and 10.79" (274mm) of precipitation is accumulated.Snowfall
May through November are months without snowfall in Ninnekah.Daylight
In Ninnekah, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:16 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Ninnekah, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ninnekah, OK
- Average high temperature in September: 84.9°F
The warmest months (with the highest average high temperature) are July and August (94.1°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in September
Ninnekah, 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
Ninnekah, OK
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Ninnekah, OK
- Average humidity in September: 64%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Ninnekah, OK
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in September
Ninnekah, OK
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Ninnekah, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in September
Ninnekah, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Ninnekah, 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 54min).
- Average sunshine in September: 8h and 36min
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 6min).
Average sunshine days in September
Ninnekah, OK
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is January (26.7 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in September
Ninnekah, 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
Ninnekah, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Ninnekah, 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).
