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
September's presence records an average high-temperature of a still hot 86°F (30°C), closely mirroring August's climate. Throughout September, Saint Augustine Shores encounters an average temperature drop to a moderately hot 75.9°F (24.4°C).Heat index
The heat index in September is appraised at a sweltering 98.6°F (37°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Always consider that heat index estimations are for light winds and places in the shade. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In Saint Augustine Shores, Florida, the average relative humidity in September is 76%.Rainfall
In Saint Augustine Shores, during September, the rain falls for 19.8 days and regularly aggregates up to 4.09" (104mm) of precipitation. Throughout the year, there are 186.8 rainfall days, and 30.2" (767mm) of precipitation is accumulated.Snowfall
In Saint Augustine Shores, snow does not fall in February through November.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 7:47 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:11 pm EDT.
Sunshine
In September, the average sunshine in Saint Augustine Shores is 8.6h.UV index
In Saint Augustine Shores, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Saint Augustine Shores?
What is the average humidity in September in Saint Augustine Shores?
How much does it rain in Saint Augustine Shores in September?
When it does not snow in Saint Augustine Shores?
How many hours of daylight does Saint Augustine Shores have in September?
What time are sunrise and sunset in September in Saint Augustine Shores?
How many hours of sunshine does Saint Augustine Shores have in September?
What is the UV index intensity in September in Saint Augustine Shores?
Average temperature in September
Saint Augustine Shores, FL
- Average high temperature in September: 86°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (64°F).
- Average low temperature in September: 75.9°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (51.4°F).
Average pressure in September
Saint Augustine Shores, FL
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.98"Hg).
Average wind speed in September
Saint Augustine Shores, FL
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Saint Augustine Shores, FL
- Average humidity in September: 76%
The months with the highest relative humidity are July, August and December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Saint Augustine Shores, FL
- Average rainfall in September: 4.09"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (1.18").
Average rainfall days in September
Saint Augustine Shores, FL
- Average rainfall days in September: 19.8 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall days in September
Saint Augustine Shores, FL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Saint Augustine Shores, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Saint Augustine Shores, FL
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is March (17.9 days).
The month with the least sunshine days is August (4.4 days).
Average UV index in September
Saint Augustine Shores, 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 4).
Average cloud cover in September
Saint Augustine Shores, FL
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in September
Saint Augustine Shores, 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).
Saint Augustine Shores, Florida, USA
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