September weather forecastTerral, OK
September
Weather in September
The first month of the autumn, September, is also a hot month in Terral, Oklahoma, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 87.3°F (30.7°C).Temperature
The beginning of September involves a decrease in the average high-temperature, transitioning from a sweltering 96.6°F (35.9°C) in August to a hot 87.3°F (30.7°C). Terral experiences a consistent average temperature of 68.2°F (20.1°C) throughout the nights in September.Heat index
In September, the average heat index is appraised at a tropical 93.2°F (34°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 61%.Rainfall
In Terral, in September, during 11.7 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 110.7 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
In Terral, snow does not fall in April through October.Daylight
In Terral, the average length of the day in September is 12h and 22min.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, in Terral, Oklahoma, sunrise is at 7:26 am and sunset at 7:16 pm CDT.
Sunshine
In Terral, the average sunshine in September is 8.5h.UV index
In Terral, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. 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
Terral, OK
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in September: 68.2°F
The months with the highest average low temperature are July and August (75.4°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Terral, OK
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Terral, OK
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is September (7.9mph).
Average humidity in September
Terral, OK
- Average humidity in September: 61%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Terral, OK
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in September
Terral, OK
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Terral, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Terral, 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
Terral, OK
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 30min
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 12min).
Average sunshine days in September
Terral, OK
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (15.1 days).
Average UV index in September
Terral, OK
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Terral, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Terral, 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).
