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
Jethro's weather subtly changes with the onset of September, barely falling from a tropical 91.4°F (33°C) in August to a moderately hot 84.4°F (29.1°C). In the face of high daytime temperatures, Jethro witnesses a consistent average nighttime low of 62.6°F (17°C) during September.Heat index
The heat index value during September is appraised at a hot 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. 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 extremely significant for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 71%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.1 days and typically collects 2.01" (51mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Jethro is 12h and 23min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:10 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September in Jethro, Arkansas, is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
How hot is it in Jethro in September?
What are the least humid months in Jethro?
What is the average humidity in September in Jethro?
What is the driest month in Jethro?
How much does it rain in Jethro in September?
When it does not snow in Jethro?
What is the average length of the day in September in Jethro?
What time are sunrise and sunset in September in Jethro?
How many hours of sunshine does Jethro have in September?
How high is the UV index in September in Jethro?
Average temperature in September
Jethro, AR
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Jethro, 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 (29.93"Hg).
Average wind speed in September
Jethro, AR
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in September
Jethro, AR
- Average humidity in September: 71%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July, August and September (71%).
Average rainfall in September
Jethro, AR
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Jethro, AR
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Jethro, AR
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Jethro, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Jethro, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Jethro, AR
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in September
Jethro, AR
- Average UV index in September: 5
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
Jethro, AR
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Jethro, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are April and May (5mi).
Jethro, Arkansas, USA
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