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
In Bella Vista, the average high-temperature in September slightly decreases from a tropical 88.2°F (31.2°C) in August to a warm 81.1°F (27.3°C). Bella Vista throughout September, experiences an average nighttime temperature of 60.6°F (15.9°C).Heat index
In September, the heat index is appraised at a tropical 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity is 73%.Rainfall
In Bella Vista, during September, the rain falls for 12.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, in Bella Vista, there are 141.8 rainfall days, and 31.5" (800mm) of precipitation is accumulated.Snowfall
In Bella Vista, snow does not fall in June through October.Daylight
In Bella Vista, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:01 pm CDT.
Sunshine
In Bella Vista, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Bella Vista is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are the temperatures in Bella Vista in September?
What is the average humidity in September in Bella Vista?
How many days does it rain in September in Bella Vista?
When it does not snow in Bella Vista?
How many hours of daylight does Bella Vista have in September?
When is the sunrise / sunset in September in Bella Vista?
How many hours of sunshine does Bella Vista have in September?
What is the UV index reading in September in Bella Vista?
Average temperature in September
Bella Vista, AR
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Bella Vista, 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
Bella Vista, AR
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Bella Vista, AR
- Average humidity in September: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Bella Vista, AR
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in September
Bella Vista, AR
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Bella Vista, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Bella Vista, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bella Vista, AR
- Average daylight in September: 12h and 2min
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 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Bella Vista, AR
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in September
Bella Vista, 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 and December (UV index 2).
Average cloud cover in September
Bella Vista, AR
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Bella Vista, 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).
Bella Vista, Arkansas, USA
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