September weather forecastVanduzer, AR
September
Weather in September
The first month of the autumn, September, is still a tropical month in Vanduzer, Arkansas, with an average temperature fluctuating between 66°F (18.9°C) and 87.6°F (30.9°C).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a hot 93°F (33.9°C) in August to a still tropical 87.6°F (30.9°C). Vanduzer logs a substantial downturn to an enjoyable 66°F (18.9°C) during September nights, a considerable shift from daytime highs.Heat index
For September, the heat index is computed to be a sweltering 100.4°F (38°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
July through October, with an average relative humidity of 71%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 2.01" (51mm) of precipitation.Snowfall
In Vanduzer, Arkansas, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:56 pm CDT.
Sunshine
In Vanduzer, the average sunshine in September is 9.6h.UV index
In Vanduzer, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vanduzer, AR
- Average high temperature in September: 87.6°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in September
Vanduzer, AR
- Average pressure in September: 29.99"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
Vanduzer, AR
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Vanduzer, AR
- Average humidity in September: 71%
The months with the highest relative humidity are February, March and December (80%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall in September
Vanduzer, AR
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is April (4.88").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Vanduzer, AR
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Vanduzer, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Vanduzer, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Vanduzer, AR
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Vanduzer, AR
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Vanduzer, 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
Vanduzer, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in September
Vanduzer, AR
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
