September Weather in Linneus, United States

Last updated: June 24, 2025

The average temperature in Linneus, United States during September is a pleasant 15°C (59°F). However, temperatures can vary significantly, with a minimum of -3°C (27°F) and a maximum reaching 32°C (91°F). This month also sees an average precipitation amount of 88 mm (3.5 in) over 9 days, accompanied by a relatively high average humidity of 77%.

September Temperature in Linneus

In September, in Linneus, the average temperature is 15°C (59°F). The maximum can reach 32°C (91°F) while the minimum can drop as low as -3°C (27°F). This diverse temperature range makes Linneus an exciting destination for travelers seeking both pleasant warmth and the thrill of cooler days.

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 15°C (59°F), with highs reaching up to 32°C (91°F) and lows dropping to around -3°C (27°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 precipitation amount is 88 mm (3.5 in) over the course of 9 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 88 mm (3.5 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 Linneus

In Linneus in September, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

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 77%, 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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more 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 7, which falls under the 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	-8°C (17°F)	94 mm (3.7 inches)	88%	low
February Weather	-7°C (19°F)	85 mm (3.3 inches)	88%	moderate
March Weather	-3°C (27°F)	78 mm (3.1 inches)	85%	moderate
April Weather	4°C (40°F)	113 mm (4.5 inches)	81%	high
May Weather	11°C (53°F)	105 mm (4.1 inches)	76%	very high
June Weather	17°C (62°F)	90 mm (3.6 inches)	74%	very high
July Weather	20°C (68°F)	97 mm (3.8 inches)	74%	very high
August Weather	19°C (67°F)	85 mm (3.3 inches)	74%	very high
September Weather	15°C (59°F)	88 mm (3.5 inches)	77%	high
October Weather	8°C (47°F)	117 mm (4.6 inches)	82%	moderate
November Weather	1°C (34°F)	114 mm (4.5 inches)	85%	moderate
December Weather	-6°C (22°F)	111 mm (4.4 inches)	84%	low