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
The advent of September brings a slight shift in average high-temperature, moving from a hot 92.1°F (33.4°C) in August to a moderately hot 84.4°F (29.1°C). The nighttime temperature, during September, averages of 64.6°F (18.1°C).Heat index
September's heat index is computed to be a hot 91.4°F (33°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital 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 69%.Rainfall
In Atwood, during September, the rain falls for 12.5 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 131 rainfall days, and 28.39" (721mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Atwood, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:10 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Atwood in 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 Atwood have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Atwood, OK
- Average high temperature in September: 84.4°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: 64.6°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 (33.3°F).
Average pressure in September
Atwood, 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
Atwood, OK
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Atwood, OK
- Average humidity in September: 69%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Atwood, OK
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Atwood, OK
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Atwood, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Atwood, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Atwood, OK
- Average daylight in September: 12h and 2min
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 4min
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 42min).
Average sunshine days in September
Atwood, OK
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in September
Atwood, 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
Atwood, OK
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Atwood, 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).
Atwood, Oklahoma, USA
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