Saint Augustine Beach Weather in September
September in Saint Augustine Beach brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 23°C (73°F). Rainfall is on the higher side this month, averaging around 167 mm (6.6 in), so keep a rain jacket handy.
Rainfall in Saint Augustine Beach in September
Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 167 mm (6.6 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Saint Augustine Beach in September
September in Saint Augustine Beach brings very high temperatures, with highs of 31°C (88°F) and nights around 23°C (73°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 23°C (73°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.If you prefer dry days with pleasant temperatures, February, March, April, October, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Augustine Beach's climate page.
Saint Augustine Beach Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
31°C (88°F)
Chance of Rain
48%
Precipitation
167 mm (6.6 in)
Rainy days
15 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Augustine Beach typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Saint Augustine Beach in September
Browse day-by-day weather records for Saint Augustine Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Augustine Beach historical weather extremes in September
According to our 49 years of weather records for Saint Augustine Beach, the following extremes were recorded between 1976 and 2025.
- Saint Augustine Beach recorded its highest September temperature of 37°C (99°F) on September 5, 1999.
- The coldest September day was on September 30, 2001, with a maximum of 23°C (73°F).
- The coldest night in September in Saint Augustine Beach was on September 20, 1981, with a minimum of 9°C (48°F).
- The heaviest September precipitation occurred on September 10, 1992, when 99 mm (3.9 in) of precipitation fell.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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What to Wear in Saint Augustine Beach in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Saint Augustine Beach in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Augustine Beach's climate page.
See the full Saint Augustine Beach climate overview or explore weather in the United States of America.
