September Weather in Newville, United States

Last updated: June 24, 2025

In September, the average temperature in Newville, United States is a warm 26°C (79°F), making it an inviting destination. However, temperatures can vary widely, with minimums dipping to 13°C (56°F) and soaring to a toasty 37°C (99°F). Visitors should be prepared for occasional rain, as 107 mm (4.2 in) of precipitation can occur over 11 days, contributing to an average humidity of 79%.

September Temperature in Newville

In September in Newville, the average temperature is 26°C (79°F). Maximum temperatures can reach 37°C (99°F), while minimums can dip as low as 13°C (56°F). This climate makes Newville an ideal destination for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Newville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newville, September typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Newville

In Newville in September, the precipitation amount is 107 mm (4.2 in) spread over a period of 11 days.

September Precipitation Trends in Newville

The chart displays monthly precipitation patterns in Newville, 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 Newville, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 11 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 Newville

In Newville in September humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

September Average Humidity in Newville

This chart illustrates the average monthly humidity levels in Newville, 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 Newville is approximately 79%, 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 Newville

In Newville in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Newville.

Maximum UV Index Levels in Newville for September

The chart shows the monthly maximum UV Index (UVI) for Newville 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 Newville typically reaches 10, which falls under the very high exposure category.

Data source: Newville 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 Newville Compares to Other Months

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

This table compares monthly weather conditions in Newville, 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 (51°F)	95 mm (3.7 inches)	83%	moderate
February Weather	14°C (58°F)	111 mm (4.4 inches)	82%	very high
March Weather	16°C (62°F)	87 mm (3.4 inches)	79%	very high
April Weather	19°C (67°F)	112 mm (4.4 inches)	77%	very high
May Weather	24°C (75°F)	106 mm (4.2 inches)	74%	extreme
June Weather	26°C (79°F)	106 mm (4.2 inches)	70%	extreme
July Weather	27°C (82°F)	108 mm (4.2 inches)	78%	extreme
August Weather	27°C (81°F)	127 mm (5.0 inches)	78%	extreme
September Weather	26°C (79°F)	107 mm (4.2 inches)	79%	very high
October Weather	22°C (72°F)	95 mm (3.7 inches)	74%	very high
November Weather	15°C (58°F)	47 mm (1.9 inches)	83%	high
December Weather	12°C (54°F)	133 mm (5.2 inches)	86%	moderate