September weather forecastMcColsky, FL
September
Weather in September
The first month of the autumn, September, is still a tropical month in McColsky, Florida, with an average temperature varying between 70.9°F (21.6°C) and 87.8°F (31°C).Temperature
McColsky sees the arrival of September with an average high-temperature of a still hot 87.8°F (31°C), indicating a subtle variation from August. McColsky's average low-temperature for the month of September records at an agreeable 70.9°F (21.6°C).Heat index
Throughout September, the heat index is evaluated at a blistering 104°F (40°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
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. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
August, September and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In McColsky, during September, the rain falls for 19.9 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 176.6 rainfall days, and 32.17" (817mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 20min.On the first day of September, sunrise is at 7:07 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:16 pm EDT.
Sunshine
In McColsky, the average sunshine in September is 8.5h.UV index
In McColsky, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McColsky, FL
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (62.6°F).
- Average low temperature in September: 70.9°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in September
McColsky, FL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in September
McColsky, FL
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
McColsky, FL
- Average humidity in September: 77%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in September
McColsky, FL
- Average rainfall in September: 3.07"
The wettest month (with the highest rainfall) is July (5.12").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in September
McColsky, FL
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is August (27.6 days).
The month with the least rainy days is November (6.9 days).
Average daylight in September /
Average sunshine in September
McColsky, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
McColsky, FL
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in September
McColsky, 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 3).
Average cloud cover in September
McColsky, FL
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
McColsky, 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).
