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 the transition to September, Coal Hill observes a minor drop in the average high-temperature, shifting from a tropical 91.2°F (32.9°C) in August to a moderately hot 84°F (28.9°C). During the nights in September, Coal Hill records a pronounced shift from the daytime warmth, with a consistent average temperature of 62.2°F (16.8°C).Heat index
The average heat index in September is calculated to be a tropical 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In September, the average relative humidity in Coal Hill is 73%.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 123.9 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Coal Hill, Arkansas, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:47 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:59 pm CDT.
Sunshine
In Coal Hill, the average sunshine in September is 9.4h.UV index
In Coal Hill, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
How hot is September in Coal Hill?
What is the average humidity in September in Coal Hill?
How much does it rain in Coal Hill in September?
When it does not snow in Coal Hill?
How many hours of daylight does Coal Hill have in September?
What time are sunrise and sunset in September in Coal Hill?
How long on average sun shines in September in Coal Hill?
What is the UV index intensity in September in Coal Hill?
Average temperature in September
Coal Hill, AR
- Average high temperature in September: 84°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 (47.8°F).
- Average low temperature in September: 62.2°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 (31.5°F).
Average pressure in September
Coal Hill, 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
Coal Hill, AR
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Coal Hill, AR
- Average humidity in September: 73%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Coal Hill, AR
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in September
Coal Hill, AR
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in September
Coal Hill, AR
- Average snowfall in September: 0"
The months with the highest snowfall are January, February and December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Coal Hill, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.9 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
Coal Hill, 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 month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Coal Hill, AR
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Coal Hill, AR
- Average UV index in September: 6
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
Coal Hill, AR
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Coal Hill, AR
- Average visibility in September: 6mi
The months with the highest visibility are February, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, April and May (5mi).
Coal Hill, Arkansas, USA
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