September Weather in Mill Hall, United States

Last updated: June 24, 2025

In Mill Hall, United States, the average temperature in September hovers around 18°C (65°F). However, be prepared for a chilly dip to a minimum of 2°C (36°F), while the mercury can soar to a maximum of 32°C (90°F). During this month, you can expect 125 mm (4.9 in) of precipitation spread over about 10 days, contributing to an average humidity of 67%. Enjoy the climatic diversity!

September Temperature in Mill Hall

In September in Mill Hall, the average temperature is 18°C (65°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 2°C (36°F). This wide range of temperatures makes it essential for travelers to pack both light clothing for warm days and warm layers for cooler nights.

September Weather in Mill Hall: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mill Hall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mill Hall, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Mill Hall

In Mill Hall in September, the precipitation amount is 125 mm (4.9 in) spread over a period of 10 days.

September Precipitation Trends in Mill Hall

The chart displays monthly precipitation patterns in Mill Hall, 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 Mill Hall, September typically receives around 125 mm (4.9 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 Mill Hall

In Mill Hall in September humidity is 67%. With an average temperature of 18°C (65°F), this humidity feels like a mild blanket wrapping around you, making outdoor activities feel pleasantly refreshing, yet you may find yourself reaching for a drink more often to stay hydrated while exploring the sights.

September Average Humidity in Mill Hall

This chart illustrates the average monthly humidity levels in Mill Hall, 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 Mill Hall 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 Mill Hall

In Mill Hall 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 Mill Hall.

Maximum UV Index Levels in Mill Hall for September

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

Data source: Mill Hall 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 Mill Hall Compares to Other Months

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

This table compares monthly weather conditions in Mill Hall, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	71 mm (2.8 inches)	89%	moderate
February Weather	0°C (31°F)	104 mm (4.1 inches)	90%	moderate
March Weather	3°C (38°F)	89 mm (3.5 inches)	89%	high
April Weather	9°C (49°F)	112 mm (4.4 inches)	88%	very high
May Weather	15°C (60°F)	136 mm (5.4 inches)	80%	very high
June Weather	20°C (68°F)	107 mm (4.2 inches)	79%	very high
July Weather	23°C (74°F)	137 mm (5.4 inches)	74%	very high
August Weather	22°C (72°F)	107 mm (4.2 inches)	64%	very high
September Weather	18°C (65°F)	125 mm (4.9 inches)	67%	very high
October Weather	13°C (55°F)	120 mm (4.7 inches)	81%	high
November Weather	4°C (40°F)	87 mm (3.4 inches)	89%	moderate
December Weather	1°C (34°F)	93 mm (3.7 inches)	88%	low