September Weather in Little Falls, United States

Last updated: June 24, 2025

In September, the average temperature in Little Falls, United States hovers around 16°C (62°F). Visitors can expect a chill, with minimum temperatures dipping to 0°C (32°F), while highs can reach up to 31°C (88°F). Rainfall is moderate, with 96 mm (3.8 in) spread over approximately 10 days, resulting in an average humidity of 72%. Plan accordingly for a mix of cool and warm weather!

September Temperature in Little Falls

In September in Little Falls, the average temperature is 16°C (62°F). Maximums can reach 31°C (88°F), while minimums can drop as low as 0°C (32°F). Be prepared for a variety of weather conditions when traveling during this time.

September Weather in Little Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Little Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Little Falls, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).

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

September Precipitation in Little Falls

In Little Falls in September, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Little Falls

The chart displays monthly precipitation patterns in Little Falls, 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 Little Falls, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 10 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 Little Falls

In Little Falls in September, humidity is 72%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapped around you, making it slightly uncomfortable for traveling as you might find yourself sweating more than usual, especially during outdoor activities.

September Average Humidity in Little Falls

This chart illustrates the average monthly humidity levels in Little Falls, 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 Little Falls is approximately 72%, 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 Little Falls

In Little Falls 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 Little Falls.

Maximum UV Index Levels in Little Falls for September

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

Data source: Little Falls 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 Little Falls Compares to Other Months

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

This table compares monthly weather conditions in Little Falls, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	93 mm (3.7 inches)	89%	moderate
February Weather	-4°C (26°F)	110 mm (4.3 inches)	88%	moderate
March Weather	0°C (32°F)	94 mm (3.7 inches)	86%	high
April Weather	7°C (44°F)	132 mm (5.2 inches)	84%	very high
May Weather	14°C (57°F)	131 mm (5.2 inches)	76%	very high
June Weather	18°C (65°F)	119 mm (4.7 inches)	72%	very high
July Weather	21°C (70°F)	143 mm (5.6 inches)	66%	very high
August Weather	20°C (68°F)	129 mm (5.1 inches)	64%	very high
September Weather	16°C (62°F)	96 mm (3.8 inches)	72%	very high
October Weather	10°C (51°F)	170 mm (6.7 inches)	81%	high
November Weather	2°C (36°F)	117 mm (4.6 inches)	87%	moderate
December Weather	-2°C (28°F)	114 mm (4.5 inches)	84%	low