September Weather in Linneus, United States

Last updated: June 24, 2025

In September, the average temperature in Linneus, United States hovers around 21°C (70°F). Temperatures can range from a chilly 6°C (43°F) to a sweltering 34°C (93°F). Expect 93 mm (3.7 in) of precipitation spread across about 8 days, accompanied by an average humidity of 72%. Enjoy the varied climate and prepare accordingly!

September Temperature in Linneus

In September in Linneus, the average temperature is 21°C (70°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 6°C (43°F). This makes it a great time to explore the area, as you can enjoy warm days and cool evenings.

September Weather in Linneus: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Linneus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Linneus, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (43°F).

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

September Precipitation in Linneus

In Linneus in September, the total precipitation amount is 93 mm (3.7 in) over the course of 8 days.

September Precipitation Trends in Linneus

The chart displays monthly precipitation patterns in Linneus, 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 Linneus, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 8 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 Linneus

In Linneus in September, humidity is 72%. With an average temperature of 21°C (70°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and sweaty, but still manageable for traveling if you stay hydrated and take regular breaks in the shade.

September Average Humidity in Linneus

This chart illustrates the average monthly humidity levels in Linneus, 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 Linneus 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 Linneus

In Linneus 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 Linneus.

Maximum UV Index Levels in Linneus for September

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

Data source: Linneus 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 Linneus Compares to Other Months

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

This table compares monthly weather conditions in Linneus, 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)	58 mm (2.3 inches)	80%	moderate
February Weather	-1°C (30°F)	49 mm (1.9 inches)	78%	moderate
March Weather	7°C (44°F)	106 mm (4.2 inches)	75%	high
April Weather	11°C (52°F)	86 mm (3.4 inches)	77%	very high
May Weather	18°C (65°F)	178 mm (7.0 inches)	82%	very high
June Weather	24°C (76°F)	128 mm (5.0 inches)	83%	extreme
July Weather	26°C (79°F)	104 mm (4.1 inches)	81%	extreme
August Weather	24°C (76°F)	98 mm (3.8 inches)	78%	very high
September Weather	21°C (70°F)	93 mm (3.7 inches)	72%	very high
October Weather	13°C (55°F)	129 mm (5.1 inches)	72%	high
November Weather	5°C (42°F)	52 mm (2.1 inches)	84%	moderate
December Weather	2°C (35°F)	35 mm (1.4 inches)	86%	moderate