September Weather in Saint Ansgar, United States

Last updated: June 24, 2025

In September, the average temperature in Saint Ansgar, United States is a comfortable 18°C (65°F). However, temperatures can range from a brisk 2°C (36°F) at night to a warm 33°C (92°F) during the day. Expect about 112 mm (4.4 in) of rain over 10 days, contributing to an average humidity level of 75%. Plan accordingly to enjoy this dynamic climate!

September Temperature in Saint Ansgar

In September, in Saint Ansgar, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 2°C (36°F). This temperature range makes Saint Ansgar an ideal destination for travelers seeking both warm days and cool nights.

September Weather in Saint Ansgar: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saint Ansgar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Ansgar, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Saint Ansgar

In Saint Ansgar in September, the total precipitation amount is 112 mm (4.4 in) over the course of 10 days.

September Precipitation Trends in Saint Ansgar

The chart displays monthly precipitation patterns in Saint Ansgar, 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 Saint Ansgar, September typically receives around 112 mm (4.4 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 Saint Ansgar

In Saint Ansgar in September, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.

September Average Humidity in Saint Ansgar

This chart illustrates the average monthly humidity levels in Saint Ansgar, 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 Saint Ansgar 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 Saint Ansgar

In Saint Ansgar 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 Saint Ansgar.

Maximum UV Index Levels in Saint Ansgar for September

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

Data source: Saint Ansgar 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 Saint Ansgar Compares to Other Months

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

This table compares monthly weather conditions in Saint Ansgar, 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 (18°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-8°C (17°F)	46 mm (1.8 inches)	84%	moderate
March Weather	1°C (34°F)	69 mm (2.7 inches)	80%	moderate
April Weather	7°C (45°F)	79 mm (3.1 inches)	81%	very high
May Weather	15°C (60°F)	153 mm (6.0 inches)	74%	very high
June Weather	22°C (71°F)	133 mm (5.3 inches)	80%	very high
July Weather	23°C (74°F)	93 mm (3.7 inches)	80%	very high
August Weather	21°C (70°F)	108 mm (4.3 inches)	77%	very high
September Weather	18°C (65°F)	112 mm (4.4 inches)	75%	very high
October Weather	9°C (49°F)	108 mm (4.3 inches)	80%	moderate
November Weather	1°C (34°F)	48 mm (1.9 inches)	87%	moderate
December Weather	-3°C (26°F)	35 mm (1.4 inches)	83%	moderate