September weather forecastBentley, OK
September
Weather in September
September, the first month of the autumn in Bentley, is also a moderately hot month, with an average temperature varying between 65.7°F (18.7°C) and 85.8°F (29.9°C).Temperature
As August transitions into September, Bentley sees a gentle drop in the average high-temperature, transitioning from a tropical 93.4°F (34.1°C) to a warm 85.8°F (29.9°C). September nights are marked by an average low-temperature of 65.7°F (18.7°C).Heat index
The heat index for September is computed to be a hot 93.2°F (34°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity is 68%.Rainfall
In Bentley, in September, during 12 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Bentley, during the entire year, the rain falls for 125.9 days and collects up to 19.49" (495mm) of precipitation.Snowfall
In Bentley, snow does not fall in April through October.Daylight
In September, the average length of the day in Bentley is 12h and 22min.On the first day of September, sunrise is at 6:58 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:09 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bentley, OK
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in September: 65.7°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
Bentley, 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 (29.91"Hg).
Average wind speed in September
Bentley, OK
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are March and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Bentley, 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 (65%).
Average rainfall in September
Bentley, OK
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Bentley, OK
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Bentley, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Bentley, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bentley, 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 54min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Bentley, OK
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in September
Bentley, OK
- Average UV index in September: 6
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
Bentley, OK
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Bentley, 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).
