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 arrival of September denotes a barely perceptible change in the average high-temperatures to a warm 84.9°F (29.4°C) from August's 90.1°F (32.3°C). During the month of September, an average low-temperature of 64.9°F (18.3°C) is recorded.Heat index
September's average heat index is computed to be a hot 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In South Bend, the average relative humidity in September is 71%.Rainfall
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 2.05" (52mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In South Bend, the average length of the day in September is 12h and 23min.On the first day of September in South Bend, sunrise is at 6:41 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does South Bend have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
South Bend, AR
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in September: 64.9°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 (33.8°F).
Average pressure in September
South Bend, 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
South Bend, AR
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
South Bend, AR
- Average humidity in September: 71%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
South Bend, AR
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
South Bend, AR
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
South Bend, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
South Bend, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
South Bend, 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 54min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
South Bend, AR
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
South Bend, AR
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
South Bend, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
South Bend, 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).
South Bend, Arkansas, USA
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