September weather forecastJena, FL
September
Weather in September
September, the first month of the autumn in Jena, is still a tropical month, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 73°F (22.8°C).Temperature
Jena, Florida, experiences a transition to a still hot 87.1°F (30.6°C) in average high-temperatures with the arrival of September, not greatly differing from August's 89.8°F (32.1°C). During the month of September, Jena anticipates a mean low-temperature of 73°F (22.8°C).Heat index
The heat index for September is appraised at a fiery hot 102.2°F (39°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. 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 to 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.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
With an average relative humidity of 77%, September is the most humid month.Rainfall
In Jena, during September, the rain falls for 17 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 144.9 rainfall days, and 16.14" (410mm) of precipitation is accumulated.Snowfall
In Jena, snow does not fall in January through November.Daylight
In Jena, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 7:11 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:19 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Jena, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in September leads to these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jena, FL
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (63.1°F).
- Average low temperature in September: 73°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure in September
Jena, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Jena, FL
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Jena, FL
- Average humidity in September: 77%
The month with the highest relative humidity is September (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in September
Jena, FL
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is August (2.64").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in September
Jena, FL
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is November (6.1 days).
Average snowfall days in September
Jena, FL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Jena, 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 48min
The months with the most sunshine are May and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Jena, FL
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is August (4.3 days).
Average UV index in September
Jena, FL
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in September
Jena, FL
- Average cloud cover in September: 29
The month with the most cloud cover is December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 24).
Average visibility in September
Jena, 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).
