September Weather in Mount Holly Springs, United States

Last updated: June 24, 2025

In September, the average temperature in Mount Holly Springs, United States hovers around 20°C (69°F). Expect temperatures to vary with a minimum of 4°C (40°F) and a maximum of 34°C (94°F). During this time, precipitation averages 124 mm (4.9 in) over 9 days, contributing to a humidity level of 75%. Get ready for a blend of warm days and refreshing showers!

September Temperature in Mount Holly Springs

In September in Mount Holly Springs, the average temperature is 20°C (69°F). Maximums can reach 34°C (94°F), and minimums can be as low as 4°C (40°F). This makes it a great time to explore Mount Holly Springs, as you'll experience mild weather with the potential for warm days and cooler nights.

September Weather in Mount Holly Springs: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mount Holly Springs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Holly Springs, September typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Mount Holly Springs

In Mount Holly Springs in September, the precipitation amount is 124 mm (4.9 in) over the course of 9 days.

September Precipitation Trends in Mount Holly Springs

The chart displays monthly precipitation patterns in Mount Holly Springs, 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 Mount Holly Springs, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 9 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 Mount Holly Springs

In Mount Holly Springs in September, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.

September Average Humidity in Mount Holly Springs

This chart illustrates the average monthly humidity levels in Mount Holly Springs, 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 Mount Holly Springs is approximately 75%, 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 Mount Holly Springs

In Mount Holly Springs in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mount Holly Springs.

Maximum UV Index Levels in Mount Holly Springs for September

The chart shows the monthly maximum UV Index (UVI) for Mount Holly Springs 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 Mount Holly Springs typically reaches 8, which falls under the very high exposure category.

Data source: Mount Holly Springs 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 Mount Holly Springs Compares to Other Months

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

This table compares monthly weather conditions in Mount Holly Springs, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	62 mm (2.4 inches)	84%	moderate
February Weather	2°C (37°F)	100 mm (3.9 inches)	83%	moderate
March Weather	6°C (43°F)	94 mm (3.7 inches)	83%	high
April Weather	12°C (53°F)	105 mm (4.1 inches)	81%	very high
May Weather	17°C (63°F)	128 mm (5.0 inches)	78%	very high
June Weather	22°C (72°F)	96 mm (3.8 inches)	79%	very high
July Weather	25°C (78°F)	140 mm (5.5 inches)	74%	very high
August Weather	24°C (75°F)	109 mm (4.3 inches)	72%	very high
September Weather	20°C (69°F)	124 mm (4.9 inches)	75%	very high
October Weather	15°C (59°F)	105 mm (4.1 inches)	81%	high
November Weather	7°C (44°F)	85 mm (3.3 inches)	85%	moderate
December Weather	3°C (37°F)	90 mm (3.5 inches)	84%	low