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 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 ushers in an average high-temperature of a still hot 88.3°F (31.3°C), aligning closely with the preceding month. During September, the temperature in Charleston Park is averaged to a low of 74.3°F (23.5°C) at night.Heat index
September's heat index is evaluated at a scorching 107.6°F (42°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.One should consider that heat index numbers are for shaded settings and light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to 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.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
The most humid month is September, with an average relative humidity of 80%.Rainfall
In Charleston Park, during September, the rain falls for 19.7 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 161.1 rainfall days, and 17.6" (447mm) of precipitation is accumulated.Daylight
In Charleston Park, the average length of the day in September is 12h and 18min.On the first day of September, sunrise is at 7:06 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:13 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Charleston Park have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What are the months with the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Charleston Park, FL
- Average high temperature in September: 88.3°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (72.3°F).
- Average low temperature in September: 74.3°F
The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (54.3°F).
Average pressure in September
Charleston Park, FL
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in September
Charleston Park, FL
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in September
Charleston Park, FL
- Average humidity in September: 80%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is March (70%).
Average rainfall in September
Charleston Park, FL
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days in September
Charleston Park, FL
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is January (6.3 days).
Average daylight in September /
Average sunshine in September
Charleston Park, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are May and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Charleston Park, FL
- Average sunshine days in September: 7.7 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in September
Charleston Park, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in September
Charleston Park, FL
- Average cloud cover in September: 33
The months with the most cloud cover are January, September and December (Cloud cover 33).
The months with the least cloud cover are April and May (Cloud cover 28).
Average visibility in September
Charleston Park, FL
- 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).
Charleston Park, Florida, USA
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