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September Weather in Lincoln, United States

Last updated: June 24, 2025

In Lincoln, United States, the average temperature in September hovers around 11°C (52°F). The weather can be quite variable, with a minimum of -7°C (19°F) and a maximum of 28°C (84°F). You'll also encounter a total precipitation of 40 mm (1.6 in) spread over approximately 7 days, contributing to an average humidity of 67%. Enjoy the dynamic climate!

September Temperature in Lincoln

In September in Lincoln, the average temperature is 11°C (52°F). Maximum temperatures can reach as high as 28°C (84°F), while minimums can drop to as low as -7°C (19°F). This diverse temperature range makes Lincoln an ideal destination for travelers looking to experience a mix of comfortable warmth and cool, crisp air.

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 11°C (52°F), with highs reaching up to 28°C (84°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec191527324354636151362618
Data source: Temperature data for Lincoln generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lincoln

In Lincoln in September, the precipitation amount is 40 mm (1.6 in) over a span 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 40 mm (1.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec378249749492162340625257
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lincoln

In Lincoln in September humidity is 67%. With an average temperature of 11°C (52°F), this humidity feels like a cool, damp embrace that can make you feel chilly and uncomfortable while traveling, especially if you're not dressed appropriately for the moisture in the air.

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 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
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.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)37 mm (1.5 inches)93%low
February Weather-10°C (15°F)82 mm (3.2 inches)92%moderate
March Weather-3°C (27°F)49 mm (1.9 inches)89%high
April Weather0°C (32°F)74 mm (2.9 inches)85%high
May Weather6°C (43°F)94 mm (3.7 inches)80%very high
June Weather12°C (54°F)92 mm (3.6 inches)78%very high
July Weather17°C (63°F)16 mm (0.6 inches)77%very high
August Weather16°C (62°F)23 mm (0.9 inches)66%very high
September Weather11°C (52°F)40 mm (1.6 inches)67%very high
October Weather2°C (36°F)62 mm (2.4 inches)77%moderate
November Weather-3°C (26°F)52 mm (2.0 inches)89%moderate
December Weather-8°C (18°F)57 mm (2.3 inches)95%low

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