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September Weather in Le Roy, United States

Last updated: June 24, 2025

In September, the average temperature in Le Roy, United States is a pleasant 21°C (70°F), with a minimum dip to 5°C (42°F) and a warm peak at 35°C (95°F). Expect about 69 mm (2.7 in) of precipitation spread over 7 days, contributing to an average humidity of 80%. Enjoy the mild climate while staying prepared for the occasional shower!

September Temperature in Le Roy

In September in Le Roy, the average temperature is 21°C (70°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 5°C (42°F). This diverse range in temperatures makes it essential to pack for both warm days and cooler evenings during your travels.

September Weather in Le Roy: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Le Roy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Roy, September typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec283042526474777470574135
Data source: Temperature data for Le Roy 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 Le Roy

In Le Roy in September, the precipitation amount is 69 mm (2.7 in) over the course of 7 days.

September Precipitation Trends in Le Roy

The chart displays monthly precipitation patterns in Le Roy, 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 Le Roy, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec717311912115111193102691216854
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Le Roy

In Le Roy in September humidity is 80%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can make even short walks feel draining, urging travelers to seek shade or a cool drink frequently.

September Average Humidity in Le Roy

This chart illustrates the average monthly humidity levels in Le Roy, 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 Le Roy is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Le Roy

In Le Roy 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 Le Roy.

Maximum UV Index Levels in Le Roy for September

The chart shows the monthly maximum UV Index (UVI) for Le Roy 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 Le Roy typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec366910111098642
Data source: Le Roy 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 Le Roy Compares to Other Months

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

This table compares monthly weather conditions in Le Roy, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)71 mm (2.8 inches)82%moderate
February Weather-1°C (31°F)73 mm (2.9 inches)83%high
March Weather6°C (42°F)119 mm (4.7 inches)84%high
April Weather11°C (52°F)121 mm (4.8 inches)85%very high
May Weather18°C (65°F)151 mm (6.0 inches)79%very high
June Weather23°C (74°F)111 mm (4.4 inches)82%extreme
July Weather25°C (77°F)93 mm (3.7 inches)80%very high
August Weather23°C (74°F)102 mm (4.0 inches)81%very high
September Weather21°C (70°F)69 mm (2.7 inches)80%very high
October Weather14°C (57°F)121 mm (4.8 inches)82%high
November Weather5°C (41°F)68 mm (2.7 inches)88%moderate
December Weather2°C (35°F)54 mm (2.1 inches)84%low

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