September Weather in Lincoln, United States

Last updated: June 24, 2025

In September, the average temperature in Lincoln, United States hovers around 16°C (61°F). While you may experience lows of -1°C (31°F), the mercury can soar as high as 33°C (91°F). Expect around 81 mm (3.2 in) of precipitation spread over 7 days, contributing to an average humidity of 77%.

September Temperature in Lincoln

In September in Lincoln, the average temperature is 16°C (61°F), with maximums reaching 33°C (91°F) and minimums dropping as low as -1°C (31°F). This diverse temperature range makes Lincoln an intriguing destination for travelers seeking both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Lincoln, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lincoln, September typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Lincoln

In Lincoln in September, the precipitation amount is 81 mm (3.2 in) over a period of 7 days.

September Precipitation Trends in Lincoln

The chart displays monthly precipitation patterns in Lincoln, 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 Lincoln, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 7 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 Lincoln

In Lincoln in September humidity is 77%. With an average temperature of 16°C (61°F), this humidity feels like a slight heaviness in the air, making every step feel a touch more effortful while traveling. The dampness clings to your skin, adding a layer of discomfort, yet the mild temperature invites you to explore the surroundings, blending the challenge of the humidity with an opportunity for a refreshing adventure.

September Average Humidity in Lincoln

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

In Lincoln 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 Lincoln.

Maximum UV Index Levels in Lincoln for September

The chart shows the monthly maximum UV Index (UVI) for Lincoln 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 Lincoln typically reaches 7, which falls under the high exposure category.

Data source: Lincoln 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 Lincoln Compares to Other Months

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

This table compares monthly weather conditions in Lincoln, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	92 mm (3.6 inches)	88%	low
February Weather	-6°C (22°F)	83 mm (3.3 inches)	88%	moderate
March Weather	-2°C (29°F)	73 mm (2.9 inches)	85%	moderate
April Weather	6°C (42°F)	121 mm (4.8 inches)	81%	high
May Weather	12°C (54°F)	99 mm (3.9 inches)	76%	very high
June Weather	18°C (64°F)	87 mm (3.4 inches)	74%	very high
July Weather	21°C (69°F)	95 mm (3.7 inches)	74%	very high
August Weather	20°C (69°F)	83 mm (3.3 inches)	74%	very high
September Weather	16°C (61°F)	81 mm (3.2 inches)	77%	high
October Weather	10°C (50°F)	117 mm (4.6 inches)	82%	moderate
November Weather	2°C (36°F)	120 mm (4.7 inches)	85%	moderate
December Weather	-4°C (25°F)	115 mm (4.5 inches)	84%	low