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 start of September involves a subtle temperature drop, shifting from a tropical 91.8°F (33.2°C) in August to a warm 84.7°F (29.3°C). Checotah reports an average low-temperature of 64.4°F (18°C) during the nights of September.Heat index
In September, the average heat index is evaluated at a tropical 91.4°F (33°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In September, the average relative humidity in Checotah is 70%.Rainfall
In Checotah, in September, during 10.2 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Checotah, during the entire year, the rain falls for 130.7 days and collects up to 32.44" (824mm) of precipitation.Snowfall
April through October are months without snowfall in Checotah, Oklahoma.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:06 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Checotah, Oklahoma, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
How hot is September in Checotah?
What is the average humidity in September in Checotah?
How many days does it rain in September in Checotah?
When it does not snow in Checotah?
How many hours of daylight does Checotah have in September?
When are sunrise and sunset in September in Checotah?
How many hours of sunshine does Checotah have in September?
What is the UV index intensity in September in Checotah?
Average temperature in September
Checotah, OK
- Average high temperature in September: 84.7°F
The warmest months (with the highest average high temperature) are July and August (91.8°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in September: 64.4°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in September
Checotah, OK
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Checotah, OK
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Checotah, OK
- Average humidity in September: 70%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Checotah, OK
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (5.12").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in September
Checotah, OK
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Checotah, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Checotah, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Checotah, 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 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Checotah, OK
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Checotah, OK
- Average UV index in September: 5
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
Checotah, OK
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Checotah, 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).
Checotah, Oklahoma, USA
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