September Weather in Pine Grove, United States

Last updated: June 24, 2025

In September, the average temperature in Pine Grove, United States is a pleasant 21°C (71°F), making it an ideal time to explore. However, be prepared for a temperature range that can dip to a minimum of 7°C (44°F) and peak at 39°C (103°F). Expect 10 mm (0.4 in) of precipitation spread over just 2 days, contributing to an average humidity of 44%.

September Temperature in Pine Grove

In September in Pine Grove, the average temperature is 21°C (71°F). Maximums can reach 39°C (103°F) and minimums can be as low as 7°C (44°F). Be sure to pack both light clothing for the heat and a warm layer for cooler evenings.

September Weather in Pine Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pine Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pine Grove, September typically has an average temperature of 21°C (71°F), with highs reaching up to 39°C (103°F) and lows dropping to around 7°C (44°F).

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

September Precipitation in Pine Grove

In Pine Grove in September, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

September Precipitation Trends in Pine Grove

The chart displays monthly precipitation patterns in Pine Grove, 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 Pine Grove, September typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 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 Pine Grove

In Pine Grove in September humidity is 44%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable and refreshing climate for traveling, allowing for enjoyable outdoor activities and leisurely explorations without feeling too sticky or oppressive.

September Average Humidity in Pine Grove

This chart illustrates the average monthly humidity levels in Pine Grove, 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 Pine Grove is approximately 44%, 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 Pine Grove

In Pine Grove 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 Pine Grove.

Maximum UV Index Levels in Pine Grove for September

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

Data source: Pine Grove 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 Pine Grove Compares to Other Months

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

This table compares monthly weather conditions in Pine Grove, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	191 mm (7.5 inches)	84%	moderate
February Weather	8°C (48°F)	190 mm (7.5 inches)	84%	moderate
March Weather	10°C (50°F)	210 mm (8.3 inches)	83%	very high
April Weather	13°C (57°F)	96 mm (3.8 inches)	81%	very high
May Weather	17°C (62°F)	57 mm (2.2 inches)	74%	very high
June Weather	22°C (72°F)	6 mm (0.2 inches)	64%	extreme
July Weather	25°C (77°F)	0 mm (0.0 inches)	44%	extreme
August Weather	24°C (76°F)	0 mm (0.0 inches)	36%	very high
September Weather	21°C (71°F)	10 mm (0.4 inches)	44%	very high
October Weather	16°C (61°F)	49 mm (1.9 inches)	65%	high
November Weather	11°C (52°F)	103 mm (4.1 inches)	84%	moderate
December Weather	8°C (46°F)	156 mm (6.1 inches)	83%	moderate