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September Weather in Lincoln, United States

Last updated: June 24, 2025

In September, the average temperature in Lincoln, United States hovers around 21°C (71°F), offering a pleasant climate for outdoor activities. Temperatures can vary significantly, with a minimum of 6°C (42°F) and soaring up to a maximum of 37°C (98°F). Expect about 83 mm (3.2 in) of precipitation spread over 8 days, contributing to an average humidity of 75%, creating a richly vibrant atmosphere.

September Temperature in Lincoln

In September in Lincoln, the average temperature is 21°C (71°F). Maximum temperatures can reach up to 37°C (98°F), while minimum temperatures can drop to as low as 6°C (42°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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 21°C (71°F), with highs reaching up to 37°C (98°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec272742516377797570534133
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 83 mm (3.2 in) over a span of 8 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 83 mm (3.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec322794481411037986831192738
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 75%. With an average temperature of 21°C (71°F), this humidity feels like a warm blanket wrapping around you, making travel slightly uncomfortable but offering a lush, vibrant atmosphere that invites exploration at a leisurely pace.

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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
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.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098643
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-3°C (27°F)32 mm (1.3 inches)76%moderate
February Weather-3°C (27°F)27 mm (1.1 inches)80%moderate
March Weather6°C (42°F)94 mm (3.7 inches)73%high
April Weather11°C (51°F)48 mm (1.9 inches)74%very high
May Weather17°C (64°F)141 mm (5.6 inches)78%very high
June Weather25°C (77°F)103 mm (4.0 inches)82%very high
July Weather26°C (80°F)79 mm (3.1 inches)83%very high
August Weather24°C (76°F)86 mm (3.4 inches)80%very high
September Weather21°C (71°F)83 mm (3.2 inches)75%very high
October Weather12°C (54°F)119 mm (4.7 inches)75%high
November Weather5°C (42°F)27 mm (1.1 inches)82%moderate
December Weather0°C (33°F)38 mm (1.5 inches)83%moderate

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