Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Adel records a mild change in average high-temperature during September, easing from a tropical 92.1°F (33.4°C) in August to a moderately hot 85.1°F (29.5°C). Nighttime temperatures in September average to a comfortable 63.9°F (17.7°C).Heat index
Throughout September, the heat index is calculated to be a tropical 93.2°F (34°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The average relative humidity in September is 71%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.6" (66mm) of precipitation is accumulated. In Adel, Oklahoma, during the entire year, the rain falls for 149.4 days and collects up to 34.29" (871mm) of precipitation.Snowfall
In Adel, Oklahoma, snow does not fall in April through October.Daylight
In Adel, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:07 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Adel, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Adel have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Adel have in September?
What is the UV index intensity in September?
Average temperature in September
Adel, OK
- Average high temperature in September: 85.1°F
The warmest months (with the highest average high temperature) are July and August (92.1°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in September: 63.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Adel, OK
- Average pressure in September: 29.99"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
Adel, OK
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Adel, OK
- Average humidity in September: 71%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Adel, OK
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in September
Adel, OK
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Adel, 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
Adel, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Adel, OK
- Average daylight in September: 12h and 2min
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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Adel, OK
- Average sunshine days in September: 15 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Adel, OK
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Adel, OK
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Adel, 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).
Adel, Oklahoma, USA
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