September weather forecastBass, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bass, Arkansas, with an average temperature fluctuating between 61.3°F (16.3°C) and 81.5°F (27.5°C).Temperature
Bass's progression into September involves a minor drop in the average high-temperature, slightly receding from a tropical 88.3°F (31.3°C) in August to a moderately hot 81.5°F (27.5°C). Throughout September, a steady low-temperature average of 61.3°F (16.3°C) is noted.Heat index
During September, the heat index is calculated to be a hot 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
The average relative humidity in September in Bass is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.44" (62mm) of precipitation.Snowfall
In Bass, snow does not fall in April through October.Daylight
In Bass, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:56 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bass, AR
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
Bass, 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 (29.94"Hg).
Average wind speed in September
Bass, AR
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Bass, AR
- Average humidity in September: 75%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Bass, AR
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in September
Bass, AR
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Bass, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Bass, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Bass, 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 48min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).
Average sunshine days in September
Bass, AR
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is January (19.3 days).
The months with the least sunshine days are July and August (10.8 days).
Average UV index in September
Bass, AR
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Bass, AR
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Bass, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are March, April and May (5mi).





