Saint Johns County (Saint Augustine)
September
Weather in Saint Johns County, Florida for September 2027
Your guide to Saint Johns County weather in September - trends and predictions
In general, the average temperature in Saint Johns County at the beginning of September is 29 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.1 °C by the end of September.
Saint Johns County in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 571.5 mm.
Is September a good time to visit Saint Johns County? check out the best time to travel to Saint Johns County page.
✨ Is September a good time to visit Saint Johns County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
10
Dry days
20
Rainy days
0
Snow days
28°/24°
Temperatures
20 km/h
Avg max wind
79 %
Avg humidity
Saint Johns County Weather September
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Temperatures trend during September in Saint Johns County
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September weather in Saint Johns County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate rain | 29° /25° | 21.2 mm | 7 | |
| Sept. 2 |  Heavy rain | 28° /25° | 132.9 mm | 5 | |
| Sept. 3 | Heavy rain | 28° /25° | 100.5 mm | 5 | |
| Sept. 4 |  Moderate or heavy rain shower | 29° /25° | 6.3 mm | 6 | |
| Sept. 5 | Moderate or heavy rain shower | 30° /24° | 8 mm | 6 | |
| Sept. 6 | Moderate rain | 31° /24° | 10.7 mm | 8 | |
| Sept. 7 |  Patchy rain possible | 28° /24° | 2.4 mm | 5 | |
| Sept. 8 | Heavy rain | 28° /24° | 67.9 mm | 6 | |
| Sept. 9 | Moderate rain | 28° /25° | 20.4 mm | 6 | |
| Sept. 10 | Heavy rain | 28° /24° | 48.3 mm | 7 | |
| Sept. 11 | Moderate rain | 28° /24° | 11.3 mm | 7 | |
| Sept. 12 | Moderate or heavy rain shower | 29° /24° | 7.3 mm | 7 | |
| Sept. 13 | Moderate rain | 28° /25° | 23.6 mm | 6 | |
| Sept. 14 | Patchy rain possible | 28° /25° | 2.4 mm | 5 | |
| Sept. 15 |  Light rain | 28° /25° | 5.9 mm | 5 | |
| Sept. 16 | Patchy rain possible | 27° /25° | 1.2 mm | 5 | |
| Sept. 17 | Patchy rain possible | 28° /24° | 0.5 mm | 5 | |
| Sept. 18 | Moderate rain | 29° /24° | 10.1 mm | 6 | |
| Sept. 19 | Light rain | 29° /25° | 6.6 mm | 7 | |
| Sept. 20 | Patchy rain possible | 28° /24° | 1.9 mm | 5 | |
| Sept. 21 | Patchy rain possible | 27° /24° | 0.7 mm | 6 | |
| Sept. 22 | Patchy rain possible | 29° /24° | 1.5 mm | 6 | |
| Sept. 23 | Light rain | 29° /24° | 2.7 mm | 6 | |
| Sept. 24 | Light rain | 28° /24° | 5.6 mm | 5 | |
| Sept. 25 | Patchy rain possible | 27° /24° | 0.5 mm | 5 | |
| Sept. 26 | Moderate rain | 28° /23° | 17.1 mm | 7 | |
| Sept. 27 | Light rain | 29° /23° | 6.2 mm | 7 | |
| Sept. 28 | Moderate rain | 29° /23° | 16.1 mm | 7 | |
| Sept. 29 | Moderate rain | 28° /24° | 17.7 mm | 5 | |
| Sept. 30 | Moderate rain | 28° /25° | 13.9 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Saint Johns County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Johns County forecast closer to your planned date for the most up-to-date weather information.
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Saint Johns County in September - FAQ
What are the expected maximum and minimum temperatures in Saint Johns County during September?
During September, expect a variety of temperatures with highs around 28° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Johns County during September?
Significant rainfall exceeding 571.5 mm is expected in Saint Johns County during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Johns County during September?
The average wind speed in Saint Johns County during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Saint Johns County
Explore the daily rainfall trends and prepare for Saint Johns Countys September weather 💧
Typically, Saint Johns County has 20 rainy days in September with a total of 571.5 mm of rainfall.
UV exposure in Saint Johns County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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