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September Weather in Lawrence, United States

Last updated: June 24, 2025

In Lawrence, United States, the average temperature in September hovers around 22°C (72°F). Expect a range between a cool 6°C (43°F) and a warm 34°C (93°F). During this month, you'll encounter approximately 83 mm (3.3 in) of precipitation over the course of 8 days, accompanied by an average humidity level of 71%. Enjoy the diverse weather while exploring all that Lawrence has to offer!

September Temperature in Lawrence

In September in Lawrence, the average temperature is 22°C (72°F). Maximum temperatures can reach 34°C (93°F), while minimum temperatures can drop to as low as 6°C (43°F). This variety makes Lawrence an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Lawrence, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lawrence, September typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec313346546677807772574437
Data source: Temperature data for Lawrence 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 Lawrence

In Lawrence in September, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

September Precipitation Trends in Lawrence

The chart displays monthly precipitation patterns in Lawrence, 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 Lawrence, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec493110395217115102131831134233
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lawrence

In Lawrence 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 Lawrence

This chart illustrates the average monthly humidity levels in Lawrence, 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 Lawrence is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lawrence

In Lawrence 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 Lawrence.

Maximum UV Index Levels in Lawrence for September

The chart shows the monthly maximum UV Index (UVI) for Lawrence 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 Lawrence typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Lawrence 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 Lawrence Compares to Other Months

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

This table compares monthly weather conditions in Lawrence, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)49 mm (1.9 inches)76%moderate
February Weather0°C (33°F)31 mm (1.2 inches)77%moderate
March Weather8°C (47°F)103 mm (4.1 inches)70%high
April Weather12°C (54°F)95 mm (3.7 inches)73%very high
May Weather19°C (66°F)217 mm (8.5 inches)82%very high
June Weather25°C (77°F)115 mm (4.5 inches)82%extreme
July Weather27°C (80°F)102 mm (4.0 inches)81%extreme
August Weather25°C (77°F)131 mm (5.2 inches)78%very high
September Weather22°C (72°F)83 mm (3.3 inches)71%very high
October Weather14°C (57°F)113 mm (4.5 inches)71%high
November Weather7°C (44°F)42 mm (1.6 inches)81%moderate
December Weather3°C (38°F)33 mm (1.3 inches)84%moderate

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