September Weather in Newville, United States

Last updated: June 24, 2025

In September, the average temperature in Newville, United States is a pleasant 20°C (68°F). Expect a minimum of 4°C (39°F) and a maximum of 33°C (92°F), making it a great time for diverse activities. Be prepared for some rain, as 129 mm (5.1 in) of precipitation is likely over about 9 days. With an average humidity of 67%, the weather is comfortably mild, perfect for exploring!

September Temperature in Newville

In September in Newville, the average temperature is 20°C (68°F). Maximum temperatures can reach up to 33°C (92°F), while minimums can drop as low as 4°C (39°F). It's a great time for travelers to enjoy mild weather and plan outdoor activities.

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 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (39°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 total precipitation amount is 129 mm (5.1 in) over the course of 9 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 129 mm (5.1 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 Newville

In Newville in September humidity is 67%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air clings to your skin and invites you to enjoy the sights at a leisurely pace.

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 67%, 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 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 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 8, 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	0°C (32°F)	63 mm (2.5 inches)	89%	moderate
February Weather	2°C (35°F)	100 mm (3.9 inches)	90%	moderate
March Weather	5°C (42°F)	94 mm (3.7 inches)	89%	high
April Weather	11°C (52°F)	102 mm (4.0 inches)	88%	very high
May Weather	17°C (63°F)	121 mm (4.8 inches)	80%	very high
June Weather	22°C (71°F)	101 mm (4.0 inches)	79%	very high
July Weather	25°C (77°F)	138 mm (5.4 inches)	74%	very high
August Weather	23°C (74°F)	110 mm (4.3 inches)	64%	very high
September Weather	20°C (68°F)	129 mm (5.1 inches)	67%	very high
October Weather	14°C (58°F)	113 mm (4.4 inches)	81%	high
November Weather	6°C (43°F)	83 mm (3.3 inches)	89%	moderate
December Weather	2°C (36°F)	91 mm (3.6 inches)	88%	low