September weather forecastHernando, FL
September
Weather in September
The first month of the autumn, September, is also a hot month in Hernando, Florida, with an average temperature ranging between min 72.9°F (22.7°C) and max 88.2°F (31.2°C).Temperature
Upon the beginning of September, Hernando's high-temperatures register at a still hot 88.2°F (31.2°C), closely mirroring the preceding month. In the month of September, the average temperature dips to a pleasant 72.9°F (22.7°C) during the night.Heat index
For September, the heat index is evaluated at a scorching 105.8°F (41°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for 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.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
July through September, with an average relative humidity of 78%, are the most humid months.Rainfall
In Hernando, during September, the rain falls for 19.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Hernando, during the entire year, the rain falls for 162 days and collects up to 20.24" (514mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in September in Hernando is 12h and 19min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The months with the highest UV index in Hernando are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full 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
Hernando, FL
- Average high temperature in September: 88.2°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (66.7°F).
- Average low temperature in September: 72.9°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (49.5°F).
Average pressure in September
Hernando, 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
Hernando, FL
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in September
Hernando, 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 (72%).
Average rainfall in September
Hernando, FL
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is March (0.59").
Average rainfall days in September
Hernando, FL
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Hernando, FL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Hernando, FL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Hernando, 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 54min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Hernando, FL
- Average sunshine days in September: 7.5 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in September
Hernando, 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
Hernando, FL
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in September
Hernando, 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).





