September weather forecastHobe Sound, FL
September
Weather in September
The first month of the autumn, September, is still a warm month in Hobe Sound, Florida, with an average temperature fluctuating between 79.2°F (26.2°C) and 84.7°F (29.3°C).Temperature
September brings a marginal elevation to a moderately hot 84.7°F (29.3°C) from August's 86.5°F (30.3°C) in Hobe Sound's average high-temperatures. September nights reflect a consistent temperature dip to a still warm 79.2°F (26.2°C), a slight descent from daytime peaks.Heat index
Throughout September, the heat index is estimated at a torrid 95°F (35°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In Hobe Sound, Florida, the average relative humidity in September is 76%.Rainfall
In Hobe Sound, Florida, in September, it is raining for 24.7 days, with typically 5.35" (136mm) of accumulated precipitation. Throughout the year, there are 227.4 rainfall days, and 44.72" (1136mm) of precipitation is accumulated.Daylight
The average length of the day in September in Hobe Sound is 12h and 19min.On the first day of September in Hobe Sound, sunrise is at 7:00 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:07 pm EDT.
Sunshine
The average sunshine in September in Hobe Sound, Florida, is 8.9h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 in September translates into these instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hobe Sound, FL
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (71.2°F).
- Average low temperature in September: 79.2°F
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in September
Hobe Sound, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in September
Hobe Sound, FL
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Hobe Sound, FL
- Average humidity in September: 76%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Hobe Sound, FL
- Average rainfall in September: 5.35"
The wettest month (with the highest rainfall) is August (7.64").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Hobe Sound, FL
- Average rainfall days in September: 24.7 days
The month with the highest number of rainy days is August (26.7 days).
The month with the least rainy days is January (13 days).
Average daylight in September /
Average sunshine in September
Hobe Sound, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Hobe Sound, FL
- Average sunshine days in September: 3.8 days
The month with the most sunshine days is January (14.3 days).
The month with the least sunshine days is August (2.4 days).
Average UV index in September
Hobe Sound, 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 months with the lowest UV index are January and February (UV index 5).
Average cloud cover in September
Hobe Sound, FL
- Average cloud cover in September: 31
The months with the most cloud cover are November and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Hobe Sound, 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).
