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
Belleville records a mild change in average high-temperature during September, easing from a tropical 91.6°F (33.1°C) in August to a moderately hot 84.6°F (29.2°C). With a notable difference from peak temperatures, an average of 62.2°F (16.8°C) marks the nights in Belleville, Arkansas, in September.Heat index
The heat index for September is estimated at a tropical 93.2°F (34°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In Belleville, Arkansas, the average relative humidity in September is 74%.Rainfall
In September, in Belleville, the rain falls for 12.8 days. Throughout September, 2.87" (73mm) of precipitation is accumulated. Throughout the year, in Belleville, there are 149.2 rainfall days, and 36.65" (931mm) of precipitation is accumulated.Snowfall
In Belleville, Arkansas, snow does not fall in April through October.Daylight
The average length of the day in September in Belleville is 12h and 23min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:40 pm. On the last day of September, in Belleville, sunrise is at 7:08 am and sunset at 6:58 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Belleville is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
How hot does it get in Belleville in September?
What is the average humidity in September in Belleville?
How many days does it rain in September in Belleville?
When it does not snow in Belleville?
How many hours of daylight does Belleville have in September?
When is the sunrise / sunset in September in Belleville?
How long on average sun shines in September in Belleville?
What is the UV index reading in September in Belleville?
Average temperature in September
Belleville, AR
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Belleville, 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
Belleville, AR
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Belleville, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Belleville, AR
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is May (4.96").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in September
Belleville, AR
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Belleville, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Belleville, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Belleville, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Belleville, AR
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in September
Belleville, AR
- 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
Belleville, AR
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Belleville, AR
- Average visibility in September: 6mi
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
Belleville, Arkansas, USA
Weather forecast for your location
2. Allow the app to use your location
