September weather forecastSilver Lake, FL
September
Weather in September
The first month of the autumn, September, is still a hot month in Silver Lake, Florida, with an average temperature fluctuating between 73.2°F (22.9°C) and 88.2°F (31.2°C).Temperature
As Silver Lake steps into September, the average high-temperature is measured at a still tropical 88.2°F (31.2°C), displaying minor differences from August's 90.7°F (32.6°C). Silver Lake's temperature in September lowers to a consistent average of 73.2°F (22.9°C) during the nights.Heat index
For most parts of September, the heat index is estimated 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.Research indicates the heat index considers values in shaded locales and with light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
July through September, with an average relative humidity of 78%, are the most humid months in Silver Lake.Rainfall
In Silver Lake, during September, the rain falls for 23.5 days and regularly aggregates up to 4.09" (104mm) of precipitation. In Silver Lake, during the entire year, the rain falls for 200.1 days and collects up to 39.06" (992mm) of precipitation.Daylight
The average length of the day in September in Silver Lake is 12h and 19min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:48 pm. On the last day of September, in Silver Lake, sunrise is at 7:20 am and sunset at 7:13 pm EDT.
Sunshine
In Silver Lake, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 6 translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Silver Lake, FL
- Average high temperature in September: 88.2°F
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in September: 73.2°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in September
Silver Lake, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Silver Lake, FL
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
Silver Lake, FL
- Average humidity in September: 78%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Silver Lake, FL
- Average rainfall in September: 4.09"
The wettest month (with the highest rainfall) is July (6.77").
The driest month (with the least rainfall) is November (1.34").
Average rainfall days in September
Silver Lake, FL
- Average rainfall days in September: 23.5 days
The month with the highest number of rainy days is August (28.6 days).
The month with the least rainy days is November (9.3 days).
Average daylight in September /
Average sunshine in September
Silver Lake, 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 42min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Silver Lake, FL
- Average sunshine days in September: 4.6 days
The months with the most sunshine days are January and December (19.3 days).
The month with the least sunshine days is August (1 days).
Average UV index in September
Silver Lake, 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 4).
Average cloud cover in September
Silver Lake, FL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in September
Silver Lake, 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).





