September weather forecastTommytown, FL
September
Weather in September
September, the first month of the autumn in Tommytown, is also a hot month, with an average temperature varying between 73.8°F (23.2°C) and 88.2°F (31.2°C).Temperature
September's average high-temperature stands at a still hot 88.2°F (31.2°C), showing little deviation from August's 90.1°F (32.3°C). September's average low-temperature reading in Tommytown, Florida, settles at a moderately hot 73.8°F (23.2°C).Heat index
The average heat index in September is appraised at a blistering 105.8°F (41°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. 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 are highly critical for babies and toddlers. 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.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
August and September, with an average relative humidity of 79%, are the most humid months.Rainfall
In Tommytown, in September, during 24.4 rainfall days, 4.45" (113mm) of precipitation is typically accumulated. In Tommytown, during the entire year, the rain falls for 200.6 days and collects up to 40.39" (1026mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Tommytown, the average length of the day in September is 12h and 19min.On the first day of September, sunrise is at 7:07 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The months with the highest UV index are May through July and September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tommytown, FL
- Average high temperature in September: 88.2°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in September: 73.8°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).
Average pressure in September
Tommytown, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in September
Tommytown, FL
- Average wind speed in September: 4.9mph
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 (4.5mph).
Average humidity in September
Tommytown, FL
- Average humidity in September: 79%
The months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Tommytown, FL
- Average rainfall in September: 4.45"
The wettest month (with the highest rainfall) is August (7.17").
The driest months (with the least rainfall) are February, March and November (1.42").
Average rainfall days in September
Tommytown, FL
- Average rainfall days in September: 24.4 days
The month with the highest number of rainy days is August (28.8 days).
The month with the least rainy days is December (9.5 days).
Average snowfall days in September
Tommytown, FL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Tommytown, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Tommytown, FL
- Average sunshine days in September: 3.8 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is August (0.8 days).
Average UV index in September
Tommytown, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Tommytown, FL
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in September
Tommytown, 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).
