September weather forecastGepp, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Gepp, Arkansas, with an average temperature varying between 82.4°F (28°C) and 60.4°F (15.8°C).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a hot 89.8°F (32.1°C) in August to a moderately hot 82.4°F (28°C). Gepp documents a marked decrease from day to night, with an average low of 60.4°F (15.8°C) throughout September.Heat index
The average heat index in September is appraised at a hot 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In Gepp, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.89" (48mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Gepp, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:40 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:52 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gepp, AR
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Gepp, AR
- Average pressure in September: 30.02"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
Gepp, AR
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Gepp, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in September
Gepp, AR
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Gepp, AR
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Gepp, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Gepp, AR
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.8 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
Gepp, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Gepp, AR
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (18.6 days).
The months with the least sunshine days are May and July (11.7 days).
Average UV index in September
Gepp, AR
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Gepp, AR
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Gepp, AR
- Average visibility in September: 5mi
The months with the highest visibility are February, June, October, November and December (6mi).
The months with the lowest visibility are January, March, April, May, July, August and September (5mi).
