September weather forecastLake Lucerne, FL
September
Weather in September
September, the first month of the autumn in Lake Lucerne, is still a hot month, with an average temperature varying between 79.9°F (26.6°C) and 86.9°F (30.5°C).Temperature
September welcomes an average high-temperature of a still tropical 86.9°F (30.5°C), not much different from the preceding month. Lake Lucerne, during the nights of September, averages a temperature close to its daytime high, at a warm 79.9°F (26.6°C).Heat index
September's heat index is appraised at a sweltering 98.6°F (37°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Remember that heat index calculations are made for conditions in the shade with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. 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. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In Lake Lucerne, the average relative humidity in September is 72%.Rainfall
In Lake Lucerne, in September, it is raining for 10.6 days, with typically 0.43" (11mm) of accumulated precipitation. In Lake Lucerne, during the entire year, the rain falls for 88.7 days and collects up to 6.14" (156mm) of precipitation.Daylight
In Lake Lucerne, the average length of the day in September is 12h and 18min.On the first day of September, sunrise is at 7:01 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:08 pm EDT.
Sunshine
In September, the average sunshine in Lake Lucerne is 9h.UV index
April through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in September leads to these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake Lucerne, FL
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (73.4°F).
- Average low temperature in September: 79.9°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in September
Lake Lucerne, FL
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).
Average wind speed in September
Lake Lucerne, FL
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Lake Lucerne, FL
- Average humidity in September: 72%
The month with the highest relative humidity is December (74%).
The month with the lowest relative humidity is March (68%).
Average rainfall in September
Lake Lucerne, FL
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is January (0.2").
Average rainfall days in September
Lake Lucerne, FL
- Average rainfall days in September: 10.6 days
The months with the highest number of rainy days are July and August (11.3 days).
The month with the least rainy days is January (4 days).
Average daylight in September /
Average sunshine in September
Lake Lucerne, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Lake Lucerne, FL
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in September
Lake Lucerne, FL
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Lake Lucerne, FL
- Average cloud cover in September: 29
The month with the most cloud cover is October (Cloud cover 34).
The months with the least cloud cover are April and July (Cloud cover 26).
Average visibility in September
Lake Lucerne, 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).
