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 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 average high-temperature is a still tropical 86.4°F (30.2°C) in September, hardly different from the 89.2°F (31.8°C) recorded in August. Port Orange's nighttime temperature in September falls to an average of 75.9°F (24.4°C).Heat index
September's average heat index is estimated at a fiery hot 98.6°F (37°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Know that the heat index computations account for shaded terrains and slight winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Port Orange, in September, it is raining for 19.7 days, with typically 4.21" (107mm) of accumulated precipitation. In Port Orange, during the entire year, the rain falls for 186.5 days and collects up to 32.6" (828mm) of precipitation.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:10 pm EDT.
Sunshine
In Port Orange, the average sunshine in September is 8.8h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index in Port Orange. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Port Orange have in September?
When is the highest UV index?
How high is the UV index in September?
Average temperature in September
Port Orange, FL
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (66.7°F).
- Average low temperature in September: 75.9°F
The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).
Average pressure in September
Port Orange, 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
Port Orange, FL
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Port Orange, FL
- Average humidity in September: 76%
The months with the highest relative humidity are July and August (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Port Orange, FL
- Average rainfall in September: 4.21"
The wettest month (with the highest rainfall) is August (4.96").
The driest month (with the least rainfall) is March (1.34").
Average rainfall days in September
Port Orange, FL
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is December (10.5 days).
Average daylight in September /
Average sunshine in September
Port Orange, FL
- Average daylight in September: 12h and 2min
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 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in September
Port Orange, FL
- Average sunshine days in September: 7.5 days
The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in September
Port Orange, 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
Port Orange, FL
- Average cloud cover in September: 30
The months with the most cloud cover are January, February, November and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in September
Port Orange, 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).
Port Orange, Florida, USA
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