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
September begins with an average high-temperature of a warm 85.6°F (29.8°C), reflecting close similarity to the preceding month. Throughout the month of September, the average temperature dips to an enjoyable 65.8°F (18.8°C) at night.Heat index
For September, the heat index is estimated at a fiery hot 95°F (35°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 essentially critical for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
In September, the average relative humidity in Star City, Arkansas, is 72%.Rainfall
In Star City, in September, during 11.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Star City, during the entire year, the rain falls for 136.5 days and collects up to 23.27" (591mm) of precipitation.Snowfall
In Star City, snow does not fall in March through October.Daylight
The average length of the day in September in Star City, Arkansas, is 12h and 22min.On the first day of September, sunrise is at 6:41 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:52 pm CDT.
Sunshine
In Star City, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September in Star City is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 6 in September suggests the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
How hot is September in Star City?
What is the average humidity in September in Star City?
How many days does it rain in September in Star City?
When it does not snow in Star City?
How many hours of daylight does Star City have in September?
When are sunrise and sunset in September in Star City?
How long on average sun shines in September in Star City?
What is the UV index intensity in September in Star City?
Average temperature in September
Star City, AR
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Star City, AR
- Average pressure in September: 30"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
Star City, AR
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Star City, AR
- Average humidity in September: 72%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Star City, AR
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is November (0.98").
Average rainfall days in September
Star City, AR
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in September
Star City, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Star City, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Star City, AR
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Star City, AR
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are October and November (20.6 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Star City, 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
Star City, AR
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Star City, 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).
Star City, Arkansas, USA
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