September Weather in Union Hall, United States

Last updated: June 24, 2025

In September, the average temperature in Union Hall, United States hovers around 22°C (72°F). You can expect a minimum of 6°C (43°F) and a sizzling maximum of 36°C (97°F). During this month, the region sees around 109 mm (4.3 in) of precipitation spread across 9 days, contributing to an average humidity of 75%. Embrace the warmth while staying prepared for some occasional rainfall!

September Temperature in Union Hall

In September in Union Hall, the average temperature is 22°C (72°F). Maximums can reach 36°C (97°F), while minimums can drop as low as 6°C (43°F). Overall, it's a great time to visit Union Hall for those who enjoy mild days and cool evenings.

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

The chart illustrates September temperature patterns in Union Hall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union Hall, September typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (97°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Union Hall

In Union Hall in September, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Union Hall

The chart displays monthly precipitation patterns in Union 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 Union Hall, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 9 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 Union Hall

In Union Hall in September, humidity is 75%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet requiring travelers to stay hydrated and take breaks in shaded areas.

September Average Humidity in Union Hall

This chart illustrates the average monthly humidity levels in Union 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 Union Hall is approximately 75%, 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 Union Hall

In Union Hall 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 Union Hall.

Maximum UV Index Levels in Union Hall for September

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

Data source: Union 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 Union Hall Compares to Other Months

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

This table compares monthly weather conditions in Union Hall, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	71 mm (2.8 inches)	84%	moderate
February Weather	7°C (44°F)	107 mm (4.2 inches)	84%	high
March Weather	10°C (49°F)	68 mm (2.7 inches)	84%	very high
April Weather	15°C (59°F)	129 mm (5.1 inches)	82%	very high
May Weather	20°C (67°F)	133 mm (5.2 inches)	82%	very high
June Weather	23°C (74°F)	94 mm (3.7 inches)	83%	extreme
July Weather	26°C (79°F)	58 mm (2.3 inches)	79%	very high
August Weather	25°C (77°F)	99 mm (3.9 inches)	77%	very high
September Weather	22°C (72°F)	109 mm (4.3 inches)	75%	very high
October Weather	17°C (62°F)	113 mm (4.4 inches)	81%	high
November Weather	9°C (48°F)	75 mm (3.0 inches)	87%	moderate
December Weather	6°C (43°F)	101 mm (4.0 inches)	85%	moderate