Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September brings an average high-temperature of a still hot 87.3°F (30.7°C), nearly identical to August's 90.7°F (32.6°C). The average temperature drops to an agreeable 69.4°F (20.8°C) during the night in the month of September.Heat index
In September, the average heat index is estimated at a fiery hot 102.2°F (39°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
The months with the highest humidity in Octahatchee are August, September and December, with an average relative humidity of 77%.Rainfall
In Octahatchee, Florida, in September, during 15 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Octahatchee, during the entire year, the rain falls for 139.5 days and collects up to 13.23" (336mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In Octahatchee, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 7:09 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Octahatchee, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What are the most humid months?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Octahatchee have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Octahatchee, FL
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in September: 69.4°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in September
Octahatchee, FL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in September
Octahatchee, FL
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in September
Octahatchee, FL
- Average humidity in September: 77%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Octahatchee, FL
- Average rainfall in September: 1.18"
The wettest months (with the highest rainfall) are July and August (2.17").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in September
Octahatchee, FL
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (21.7 days).
The month with the least rainy days is November (5.5 days).
Average snowfall days in September
Octahatchee, FL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Octahatchee, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Octahatchee, FL
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is November (23.1 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in September
Octahatchee, 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 3).
Average cloud cover in September
Octahatchee, FL
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 29).
Average visibility in September
Octahatchee, FL
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Octahatchee, Florida, USA
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