September weather forecastMound Grove, FL
September
Weather in September
The first month of the autumn, September, is still a warm month in Mound Grove, Florida, with an average temperature ranging between max 85.1°F (29.5°C) and min 76.1°F (24.5°C).Temperature
September commences with an average high-temperature of a warm 85.1°F (29.5°C), showing little deviation from August's 87.8°F (31°C). September nights experience a minor temperature downturn to 76.1°F (24.5°C).Heat index
The average heat index in September is appraised at a torrid 95°F (35°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In September, the average relative humidity in Mound Grove is 77%.Rainfall
In September, in Mound Grove, the rain falls for 21.5 days. Throughout September, 4.76" (121mm) of precipitation is accumulated. Throughout the year, in Mound Grove, Florida, there are 191.6 rainfall days, and 35.2" (894mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:10 pm EDT.
Sunshine
In Mound Grove, the average sunshine in September is 8.7h.UV index
In Mound Grove, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mound Grove, FL
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (65.7°F).
- Average low temperature in September: 76.1°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (53.8°F).
Average pressure in September
Mound Grove, 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
Mound Grove, FL
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Mound Grove, FL
- Average humidity in September: 77%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Mound Grove, FL
- Average rainfall in September: 4.76"
The wettest month (with the highest rainfall) is August (5.28").
The driest month (with the least rainfall) is March (1.38").
Average rainfall days in September
Mound Grove, FL
- Average rainfall days in September: 21.5 days
The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is February (10.6 days).
Average daylight in September /
Average sunshine in September
Mound Grove, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Mound Grove, FL
- Average sunshine days in September: 6.2 days
The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is August (4.8 days).
Average UV index in September
Mound Grove, FL
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Mound Grove, FL
- Average cloud cover in September: 30
The month with the most cloud cover is December (Cloud cover 37).
The months with the least cloud cover are May and July (Cloud cover 27).
Average visibility in September
Mound Grove, 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).





