September Weather in Ladson, United States

Last updated: June 24, 2025

In September, the average temperature in Ladson, United States is a comfortable 25°C (78°F). However, temperatures can range from a brisk 12°C (54°F) to a warm 35°C (96°F). Expect 164 mm (6.4 in) of precipitation spread over 12 days, contributing to an average humidity of 83%.

September Temperature in Ladson

In September in Ladson, the average temperature is 25°C (78°F), with maximums reaching 35°C (96°F) and minimums dipping as low as 12°C (54°F). This climate makes it an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates September temperature patterns in Ladson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ladson, September typically has an average temperature of 25°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Ladson

In Ladson in September, the precipitation amount is 164 mm (6.4 in) distributed over 12 days.

September Precipitation Trends in Ladson

The chart displays monthly precipitation patterns in Ladson, 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 Ladson, September typically receives around 164 mm (6.4 inches) of precipitation spread over approximately 12 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 Ladson

In Ladson in September, humidity is 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

September Average Humidity in Ladson

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

In Ladson 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 Ladson.

Maximum UV Index Levels in Ladson for September

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

Data source: Ladson 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 Ladson Compares to Other Months

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

This table compares monthly weather conditions in Ladson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	59 mm (2.3 inches)	86%	moderate
February Weather	13°C (56°F)	87 mm (3.4 inches)	81%	high
March Weather	15°C (60°F)	66 mm (2.6 inches)	81%	very high
April Weather	19°C (66°F)	108 mm (4.2 inches)	79%	very high
May Weather	23°C (74°F)	95 mm (3.7 inches)	75%	extreme
June Weather	26°C (79°F)	164 mm (6.5 inches)	75%	extreme
July Weather	27°C (81°F)	189 mm (7.4 inches)	80%	extreme
August Weather	27°C (81°F)	184 mm (7.3 inches)	81%	extreme
September Weather	25°C (78°F)	164 mm (6.4 inches)	83%	very high
October Weather	21°C (70°F)	75 mm (2.9 inches)	78%	very high
November Weather	14°C (57°F)	83 mm (3.3 inches)	85%	high
December Weather	12°C (53°F)	142 mm (5.6 inches)	87%	moderate