September Weather in Hardeeville, United States

Last updated: June 24, 2025

In September, the average temperature in Hardeeville, United States is a warm 26°C (79°F). However, temperatures can fluctuate, with minimums dipping to 14°C (58°F) and maximums soaring to 35°C (96°F). Expect 111 mm (4.4 in) of precipitation over about 13 days, contributing to a high average humidity of 83%.

September Temperature in Hardeeville

In September in Hardeeville, the average temperature is 26°C (79°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 14°C (58°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from leisurely sightseeing to adventurous excursions.

September Weather in Hardeeville: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hardeeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hardeeville, September typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (96°F) and lows dropping to around 14°C (58°F).

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

September Precipitation in Hardeeville

In Hardeeville in September, the precipitation amount reaches 111 mm (4.4 in) over the course of 13 days.

September Precipitation Trends in Hardeeville

The chart displays monthly precipitation patterns in Hardeeville, 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 Hardeeville, September typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 13 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 Hardeeville

In Hardeeville in September, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

September Average Humidity in Hardeeville

This chart illustrates the average monthly humidity levels in Hardeeville, 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 Hardeeville 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 Hardeeville

In Hardeeville in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hardeeville.

Maximum UV Index Levels in Hardeeville for September

The chart shows the monthly maximum UV Index (UVI) for Hardeeville 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 Hardeeville typically reaches 9, which falls under the very high exposure category.

Data source: Hardeeville 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 Hardeeville Compares to Other Months

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

This table compares monthly weather conditions in Hardeeville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	60 mm (2.3 inches)	86%	moderate
February Weather	14°C (58°F)	76 mm (3.0 inches)	81%	high
March Weather	16°C (61°F)	66 mm (2.6 inches)	81%	very high
April Weather	19°C (67°F)	82 mm (3.2 inches)	79%	very high
May Weather	24°C (75°F)	102 mm (4.0 inches)	75%	extreme
June Weather	26°C (79°F)	142 mm (5.6 inches)	75%	extreme
July Weather	28°C (82°F)	157 mm (6.2 inches)	80%	extreme
August Weather	27°C (82°F)	173 mm (6.8 inches)	81%	extreme
September Weather	26°C (79°F)	111 mm (4.4 inches)	83%	very high
October Weather	22°C (72°F)	77 mm (3.0 inches)	78%	very high
November Weather	15°C (59°F)	83 mm (3.3 inches)	85%	high
December Weather	12°C (55°F)	116 mm (4.6 inches)	87%	moderate