September Weather in Summerton, United States

Last updated: June 24, 2025

In September, the average temperature in Summerton, United States hovers around 25°C (77°F). Expect temperatures to vary, with a minimum of 11°C (53°F) and a maximum reaching up to 36°C (97°F). During this month, precipitation averages 128 mm (5.0 in) spread over approximately 9 days, and the air is quite humid, with an average humidity of 83%.

September Temperature in Summerton

In September in Summerton, the average temperature is 25°C (77°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop to as low as 11°C (53°F). This makes Summerton an ideal destination for travelers seeking comfortable weather with warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Summerton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerton, September typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Summerton

In Summerton in September, the precipitation amount is 128 mm (5.0 in) over a span of 9 days.

September Precipitation Trends in Summerton

The chart displays monthly precipitation patterns in Summerton, 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 Summerton, September typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Summerton

In Summerton in September humidity is 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

September Average Humidity in Summerton

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

In Summerton 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 Summerton.

Maximum UV Index Levels in Summerton for September

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

Data source: Summerton 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 Summerton Compares to Other Months

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

This table compares monthly weather conditions in Summerton, 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 (50°F)	74 mm (2.9 inches)	86%	moderate
February Weather	13°C (55°F)	94 mm (3.7 inches)	81%	high
March Weather	15°C (59°F)	76 mm (3.0 inches)	81%	very high
April Weather	19°C (66°F)	105 mm (4.1 inches)	79%	very high
May Weather	23°C (74°F)	90 mm (3.5 inches)	75%	extreme
June Weather	26°C (79°F)	121 mm (4.8 inches)	75%	extreme
July Weather	27°C (82°F)	162 mm (6.4 inches)	80%	extreme
August Weather	27°C (81°F)	140 mm (5.5 inches)	81%	extreme
September Weather	25°C (77°F)	128 mm (5.0 inches)	83%	very high
October Weather	21°C (70°F)	56 mm (2.2 inches)	78%	very high
November Weather	13°C (56°F)	67 mm (2.6 inches)	85%	high
December Weather	11°C (52°F)	140 mm (5.5 inches)	87%	moderate