September Weather in Saint Augustine Shores, United States

Last updated: June 24, 2025

In September, the average temperature in Saint Augustine Shores, United States is a warm 27°C (81°F), where the mercury can dip to a pleasant 20°C (68°F) or rise to a sizzling 33°C (92°F). With an average humidity of 83%, it feels quite tropical. However, be prepared for some rain, as 162 mm (6.4 in) of precipitation typically falls over 19 days!

September Temperature in Saint Augustine Shores

In September in Saint Augustine Shores, the average temperature is 27°C (81°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 20°C (68°F). This mild climate makes Saint Augustine Shores an ideal destination for travelers looking to enjoy comfortable weather and outdoor activities.

September Weather in Saint Augustine Shores: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saint Augustine Shores, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Augustine Shores, September typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (92°F) and lows dropping to around 20°C (68°F).

Data source: Temperature data for Saint Augustine Shores generated using information from the Copernicus Climate Change Service.

September Precipitation in Saint Augustine Shores

In Saint Augustine Shores in September, the precipitation amount is 162 mm (6.4 in) over a span of 19 days.

September Precipitation Trends in Saint Augustine Shores

The chart displays monthly precipitation patterns in Saint Augustine Shores, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Saint Augustine Shores, September typically receives around 162 mm (6.4 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Saint Augustine Shores

In Saint Augustine Shores in September humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

September Average Humidity in Saint Augustine Shores

This chart illustrates the average monthly humidity levels in Saint Augustine Shores, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Saint Augustine Shores is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saint Augustine Shores

In Saint Augustine Shores in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Saint Augustine Shores.

Maximum UV Index Levels in Saint Augustine Shores for September

The chart shows the monthly maximum UV Index (UVI) for Saint Augustine Shores in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Saint Augustine Shores typically reaches 11, which falls under the extreme exposure category.

Data source: Saint Augustine Shores September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Saint Augustine Shores Compares to Other Months

Weather in Saint Augustine Shores varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saint Augustine Shores, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Saint Augustine Shores, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	47 mm (1.9 inches)	83%	moderate
February Weather	17°C (63°F)	61 mm (2.4 inches)	80%	very high
March Weather	18°C (66°F)	34 mm (1.3 inches)	75%	very high
April Weather	21°C (70°F)	82 mm (3.2 inches)	70%	extreme
May Weather	24°C (76°F)	77 mm (3.0 inches)	68%	extreme
June Weather	26°C (80°F)	143 mm (5.6 inches)	75%	extreme
July Weather	27°C (82°F)	161 mm (6.3 inches)	79%	extreme
August Weather	28°C (82°F)	146 mm (5.8 inches)	81%	extreme
September Weather	27°C (81°F)	162 mm (6.4 inches)	83%	extreme
October Weather	25°C (77°F)	123 mm (4.9 inches)	81%	very high
November Weather	20°C (68°F)	91 mm (3.6 inches)	82%	high
December Weather	17°C (63°F)	70 mm (2.7 inches)	84%	moderate