September weather forecastShaefer, FL
September
Weather in September
September, the first month of the autumn in Shaefer, is still a hot month, with an average temperature varying between 86.9°F (30.5°C) and 77.7°F (25.4°C).Temperature
Shaefer marks the onset of September with an average high-temperature of a still hot 86.9°F (30.5°C), a subtle shift from August's 88.2°F (31.2°C). The nighttime temperature dips to a warm 77.7°F (25.4°C) on average during September.Heat index
September's mean heat index is appraised at a sweltering 100.4°F (38°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Shaefer, during September, the rain falls for 21.9 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 168.6 rainfall days, and 20.2" (513mm) of precipitation is accumulated.Daylight
In Shaefer, the average length of the day in September is 12h and 18min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shaefer, FL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is January (69.1°F).
- Average low temperature in September: 77.7°F
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (57.4°F).
Average pressure in September
Shaefer, 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
Shaefer, FL
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Shaefer, FL
- Average humidity in September: 76%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are March and May (73%).
Average rainfall in September
Shaefer, FL
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Shaefer, FL
- Average rainfall days in September: 21.9 days
The month with the highest number of rainy days is August (23.6 days).
The month with the least rainy days is January (6.6 days).
Average daylight in September /
Average sunshine in September
Shaefer, FL
- Average daylight in September: 12h and 18min
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: 9h and 12min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Shaefer, FL
- Average sunshine days in September: 5.1 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is August (4 days).
Average UV index in September
Shaefer, 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
Shaefer, FL
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is May (Cloud cover 22).
Average visibility in September
Shaefer, 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).
