September Weather in New Philadelphia, United States

Last updated: June 24, 2025

In September, the average temperature in New Philadelphia, United States is a comfortable 19°C (67°F). Visitors can expect a chillier low of 3°C (38°F) and a warm high of 32°C (90°F). Rainfall is moderate, with about 117 mm (4.6 in) over 10 days, while the average humidity sits at a pleasant 66%. Embrace the diverse weather as you explore!

September Temperature in New Philadelphia

In September in New Philadelphia, the average temperature is 19°C (67°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 3°C (38°F). This diverse temperature range makes it essential for travelers to pack layers to stay comfortable during their visit.

September Weather in New Philadelphia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in New Philadelphia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Philadelphia, September typically has an average temperature of 19°C (67°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in New Philadelphia

In New Philadelphia in September, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

September Precipitation Trends in New Philadelphia

The chart displays monthly precipitation patterns in New Philadelphia, 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 New Philadelphia, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 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 New Philadelphia

In New Philadelphia in September humidity is 66%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making it mildly uncomfortable for traveling, as you may find yourself needing to frequently stop for hydration and to seek shade from the sun.

September Average Humidity in New Philadelphia

This chart illustrates the average monthly humidity levels in New Philadelphia, 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 New Philadelphia is approximately 66%, 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 New Philadelphia

In New Philadelphia 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 New Philadelphia.

Maximum UV Index Levels in New Philadelphia for September

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

Data source: New Philadelphia 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 New Philadelphia Compares to Other Months

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

This table compares monthly weather conditions in New Philadelphia, 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 (31°F)	74 mm (2.9 inches)	87%	moderate
February Weather	1°C (33°F)	106 mm (4.2 inches)	85%	moderate
March Weather	4°C (39°F)	99 mm (3.9 inches)	85%	high
April Weather	10°C (50°F)	112 mm (4.4 inches)	83%	very high
May Weather	16°C (61°F)	134 mm (5.3 inches)	75%	very high
June Weather	21°C (69°F)	117 mm (4.6 inches)	73%	very high
July Weather	24°C (75°F)	157 mm (6.2 inches)	65%	very high
August Weather	22°C (73°F)	154 mm (6.1 inches)	62%	very high
September Weather	19°C (67°F)	117 mm (4.6 inches)	66%	very high
October Weather	13°C (57°F)	117 mm (4.6 inches)	79%	high
November Weather	5°C (42°F)	97 mm (3.8 inches)	87%	moderate
December Weather	2°C (35°F)	99 mm (3.9 inches)	85%	low