September Weather in Lansing, United States

Last updated: June 24, 2025

In September, the average temperature in Lansing, United States hovers around 22°C (72°F). Expect a minimum of 6°C (44°F) and a maximum of 33°C (92°F). With an average humidity of 71%, prepare for a precipitation of approximately 81 mm (3.2 in) over the course of 8 days. Stay ready for a mix of warm days and refreshing showers!

September Temperature in Lansing

In September in Lansing, the average temperature is 22°C (72°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 6°C (44°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while experiencing pleasant weather.

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

The chart illustrates September temperature patterns in Lansing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lansing, September typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (44°F).

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

September Precipitation in Lansing

In Lansing in September, the precipitation amount is 81 mm (3.2 in) over the course of 8 days.

September Precipitation Trends in Lansing

The chart displays monthly precipitation patterns in Lansing, 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 Lansing, September typically receives around 81 mm (3.2 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 Lansing

In Lansing in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Lansing

This chart illustrates the average monthly humidity levels in Lansing, 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 Lansing is approximately 71%, 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 Lansing

In Lansing 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 Lansing.

Maximum UV Index Levels in Lansing for September

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

Data source: Lansing 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 Lansing Compares to Other Months

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

This table compares monthly weather conditions in Lansing, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	48 mm (1.9 inches)	76%	moderate
February Weather	0°C (32°F)	33 mm (1.3 inches)	77%	moderate
March Weather	8°C (46°F)	95 mm (3.8 inches)	70%	high
April Weather	12°C (54°F)	85 mm (3.4 inches)	73%	very high
May Weather	19°C (66°F)	203 mm (8.0 inches)	82%	very high
June Weather	25°C (77°F)	112 mm (4.4 inches)	82%	extreme
July Weather	26°C (80°F)	94 mm (3.7 inches)	81%	extreme
August Weather	25°C (77°F)	132 mm (5.2 inches)	78%	very high
September Weather	22°C (72°F)	81 mm (3.2 inches)	71%	very high
October Weather	14°C (57°F)	112 mm (4.4 inches)	71%	high
November Weather	6°C (44°F)	45 mm (1.8 inches)	81%	moderate
December Weather	3°C (37°F)	35 mm (1.4 inches)	84%	moderate