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September Weather in Lemoyne, United States

Last updated: June 24, 2025

In September, the average temperature in Lemoyne, United States is a pleasant 21°C (69°F), with daytime highs reaching up to 34°C (94°F) and occasional dips to a cool 5°C (41°F). Expect about 116 mm (4.6 in) of precipitation over 9 days, contributing to an average humidity level of 66%. Enjoy the varied climate this month brings!

September Temperature in Lemoyne

In September in Lemoyne, the average temperature is 21°C (69°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 5°C (41°F). This makes it a great time for travelers to enjoy a variety of outdoor activities while being prepared for some temperature fluctuations.

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

The chart illustrates September temperature patterns in Lemoyne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lemoyne, September typically has an average temperature of 21°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787569594438
Data source: Temperature data for Lemoyne 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 Lemoyne

In Lemoyne in September, the precipitation amount is 116 mm (4.6 in) spread over 9 days.

September Precipitation Trends in Lemoyne

The chart displays monthly precipitation patterns in Lemoyne, 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 Lemoyne, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec659994102121921321071161058689
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lemoyne

In Lemoyne in September humidity is 66%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making it a bit sticky, but still comfortable for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Lemoyne

This chart illustrates the average monthly humidity levels in Lemoyne, 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 Lemoyne is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lemoyne

In Lemoyne 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 Lemoyne.

Maximum UV Index Levels in Lemoyne for September

The chart shows the monthly maximum UV Index (UVI) for Lemoyne 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 Lemoyne typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Lemoyne 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 Lemoyne Compares to Other Months

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

This table compares monthly weather conditions in Lemoyne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)64 mm (2.5 inches)87%moderate
February Weather3°C (37°F)99 mm (3.9 inches)85%moderate
March Weather6°C (43°F)94 mm (3.7 inches)85%high
April Weather12°C (53°F)102 mm (4.0 inches)83%very high
May Weather17°C (63°F)121 mm (4.8 inches)75%very high
June Weather22°C (72°F)92 mm (3.6 inches)73%very high
July Weather25°C (78°F)132 mm (5.2 inches)65%very high
August Weather24°C (76°F)107 mm (4.2 inches)62%very high
September Weather21°C (69°F)116 mm (4.6 inches)66%very high
October Weather15°C (59°F)105 mm (4.1 inches)79%high
November Weather7°C (45°F)86 mm (3.4 inches)87%moderate
December Weather3°C (38°F)88 mm (3.5 inches)85%low

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