September weather forecastForest City, FL
September
Weather in September
September, the first month of the autumn in Forest City, is still a hot month, with an average temperature fluctuating between 88.5°F (31.4°C) and 74.3°F (23.5°C).Temperature
Transitioning into September, Forest City records an average high-temperature of a still tropical 88.5°F (31.4°C), almost identical to August's 91°F (32.8°C). In Forest City, the expected average low-temperature for September is a moderately hot 74.3°F (23.5°C).Heat index
For September, the heat index is estimated at a blistering 105.8°F (41°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Consider that heat index readings are for situations in the shade and light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
September is the most humid month, with an average relative humidity of 77%.Rainfall
In September, the rain falls for 19.7 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. In Forest City, during the entire year, the rain falls for 172.9 days and collects up to 22.76" (578mm) of precipitation.Daylight
In Forest City, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:12 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 reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Forest City, FL
- Average high temperature in September: 88.5°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.2°F).
- Average low temperature in September: 74.3°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).
Average pressure in September
Forest City, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Forest City, FL
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Forest City, FL
- Average humidity in September: 77%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in September
Forest City, FL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is August (3.82").
The driest months (with the least rainfall) are January and March (0.79").
Average rainfall days in September
Forest City, FL
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is January (8.9 days).
Average daylight in September /
Average sunshine in September
Forest City, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Forest City, FL
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.6 days).
Average UV index in September
Forest City, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Forest City, FL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in September
Forest City, 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).





