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
With the onset of September, Clinton experiences a modest temperature adjustment, with the average high-temperature gently receding from a tropical 89.2°F (31.8°C) in August to a warm 82°F (27.8°C). Clinton experiences a mean temperature of 61.9°F (16.6°C) during September nights.Heat index
September's heat index is computed to be a hot 87.8°F (31°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in September in Clinton is 75%.Rainfall
September is the month with the least rainfall in Clinton. Rain falls for 12.4 days and accumulates 2.09" (53mm) of precipitation.Snowfall
May through October are months without snowfall in Clinton.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Clinton, Arkansas, sunrise is at 6:42 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:54 pm CDT.
Sunshine
The average sunshine in September in Clinton is 9.3h.UV index
In Clinton, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the usual temperature for Clinton in September?
What is the average humidity in September in Clinton?
What is the driest month in Clinton?
How many days does it rain in September in Clinton?
When it does not snow in Clinton?
How many hours of daylight does Clinton have in September?
What time are sunrise and sunset in September in Clinton?
How many hours of sunshine does Clinton have in September?
What is the UV index intensity in September in Clinton?
Average temperature in September
Clinton, AR
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in September
Clinton, 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
Clinton, AR
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Clinton, 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
Clinton, AR
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
Clinton, AR
- Average rainfall days in September: 12.4 days
The months with the highest number of rainy days are May and July (15.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Clinton, AR
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Clinton, AR
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Clinton, 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 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Clinton, AR
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in September
Clinton, 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
Clinton, 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 July (Cloud cover 27).
Average visibility in September
Clinton, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Clinton, Arkansas, USA
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