September weather forecastRock Ridge, FL
September
Weather in September
The first month of the autumn, September, is still a hot month in Rock Ridge, Florida, with an average temperature ranging between max 88.2°F (31.2°C) and min 73.6°F (23.1°C).Temperature
September's onset records an average high-temperature of a still hot 88.2°F (31.2°C), a near match to August's 90°F (32.2°C). September's average low-temperature reading in Rock Ridge settles at a warm 73.6°F (23.1°C).Heat index
In September, the average heat index is estimated at a blistering 105.8°F (41°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. 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. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
The months with the highest humidity are July through September, with an average relative humidity of 79%.Rainfall
In Rock Ridge, during September, the rain falls for 24.1 days and regularly aggregates up to 4.45" (113mm) of precipitation. In Rock Ridge, during the entire year, the rain falls for 197.3 days and collects up to 38.74" (984mm) of precipitation.Daylight
The average length of the day in September is 12h and 19min.On the first day of September, sunrise is at 7:06 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rock Ridge, FL
- Average high temperature in September: 88.2°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in September: 73.6°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).
Average pressure in September
Rock Ridge, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in September
Rock Ridge, FL
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
Rock Ridge, FL
- Average humidity in September: 79%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Rock Ridge, FL
- Average rainfall in September: 4.45"
The wettest month (with the highest rainfall) is August (6.97").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in September
Rock Ridge, FL
- Average rainfall days in September: 24.1 days
The month with the highest number of rainy days is August (27.9 days).
The month with the least rainy days is January (8.9 days).
Average daylight in September /
Average sunshine in September
Rock Ridge, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Rock Ridge, FL
- Average sunshine days in September: 4.7 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is August (1.7 days).
Average UV index in September
Rock Ridge, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Rock Ridge, FL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in September
Rock Ridge, 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).
