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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a tropical 92.5°F (33.6°C) to a warm 85.3°F (29.6°C). In September, the temperature sees a substantial plunge from daytime highs to a low average of 63.5°F (17.5°C).Heat index
September's average heat index is evaluated at a hot 93.2°F (34°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 especially vital to 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
The average relative humidity in September is 70%.Rainfall
In Poteau, in September, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 96.7 rainfall days, and 10" (254mm) of precipitation is accumulated.Snowfall
In Poteau, Oklahoma, snow does not fall in April through November.Daylight
The average length of the day in September in Poteau is 12h and 23min.On the first day of September, sunrise is at 6:51 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:03 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In Poteau, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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 Poteau have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Poteau have in September?
How high is the UV index in September?
Average temperature in September
Poteau, OK
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 63.5°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°F).
Average pressure in September
Poteau, OK
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Poteau, OK
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Poteau, OK
- Average humidity in September: 70%
The months with the highest relative humidity are February, March and May (76%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in September
Poteau, OK
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is August (1.34").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in September
Poteau, OK
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (10.8 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in September
Poteau, OK
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Poteau, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Poteau, 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: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Poteau, OK
- Average sunshine days in September: 19.8 days
The months with the most sunshine days are January and December (23.5 days).
The month with the least sunshine days is August (16.9 days).
Average UV index in September
Poteau, 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
Poteau, OK
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Poteau, OK
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Poteau, Oklahoma, USA
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