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
As August transitions into September, the average high-temperature in Osceola rests at a moderately hot 82.6°F (28.1°C), maintaining a close resemblance to the previous month. Osceola records an average temperature drop to a refreshing 64°F (17.8°C) in September.Heat index
September's heat index is evaluated at a tropical 87.8°F (31°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
The average relative humidity in September in Osceola is 73%.Rainfall
The month with the least rainfall in Osceola is September, when the rain falls for 9.9 days and typically collects 1.57" (40mm) of precipitation.Snowfall
In Osceola, snow does not fall in April through September.Daylight
The average length of the day in September in Osceola is 12h and 23min.On the first day of September, sunrise is at 6:32 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:44 pm CDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
The average daily maximum UV index in September in Osceola is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun during its peak radiation time around midday is a healthy practice. 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
How hot is it in Osceola in September?
What is the average humidity in September in Osceola?
What is the driest month in Osceola?
How much does it rain in Osceola in September?
When it does not snow in Osceola?
Does it snow in Osceola in September?
What is the average length of the day in September in Osceola?
When are sunrise and sunset in September in Osceola?
How many hours of sunshine does Osceola have in September?
What is the UV index reading in September in Osceola?
Average temperature in September
Osceola, AR
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Osceola, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Osceola, AR
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Osceola, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Osceola, AR
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is February (4.21").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Osceola, AR
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Osceola, AR
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Osceola, AR
- 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
Osceola, AR
- 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 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Osceola, AR
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is October (20.1 days).
The months with the least sunshine days are June and July (13.3 days).
Average UV index in September
Osceola, AR
- 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
Osceola, AR
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Osceola, AR
- 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).
Osceola, Arkansas, USA
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