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September Weather in Dansville, United States

Last updated: June 24, 2025

The average temperature in Dansville, United States during September is a pleasant 18°C (66°F). However, temperatures can vary significantly, with a minimum of 1°C (35°F) and a maximum of 34°C (93°F). Expect approximately 83 mm (3.3 in) of precipitation over 9 days, coupled with an average humidity of around 80%.

September Temperature in Dansville

In September in Dansville, the average temperature is 18°C (66°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 1°C (35°F). This makes it an ideal time to visit for those who enjoy mild weather and a range of activities suited to both warm and cooler temperatures.

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

The chart illustrates September temperature patterns in Dansville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dansville, September typically has an average temperature of 18°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070747265533832
Data source: Temperature data for Dansville 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 Dansville

In Dansville in September, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.

September Precipitation Trends in Dansville

The chart displays monthly precipitation patterns in Dansville, 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 Dansville, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec65697491118959966831097055
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dansville

In Dansville in September, humidity is 80%. With an average temperature of 18°C (66°F), this humidity feels like a warm, sticky embrace, making traveling slightly uncomfortable as perspiration builds up and the air feels heavy, causing an underlying lethargy.

September Average Humidity in Dansville

This chart illustrates the average monthly humidity levels in Dansville, 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 Dansville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dansville

In Dansville in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Dansville.

Maximum UV Index Levels in Dansville for September

The chart shows the monthly maximum UV Index (UVI) for Dansville 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 Dansville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
Data source: Dansville 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 Dansville Compares to Other Months

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

This table compares monthly weather conditions in Dansville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)65 mm (2.6 inches)88%low
February Weather-3°C (28°F)68 mm (2.7 inches)87%moderate
March Weather3°C (37°F)73 mm (2.9 inches)85%moderate
April Weather8°C (47°F)91 mm (3.6 inches)86%very high
May Weather15°C (60°F)118 mm (4.7 inches)80%very high
June Weather21°C (70°F)95 mm (3.7 inches)80%very high
July Weather23°C (75°F)99 mm (3.9 inches)80%very high
August Weather22°C (72°F)66 mm (2.6 inches)80%very high
September Weather18°C (66°F)83 mm (3.3 inches)80%high
October Weather12°C (54°F)109 mm (4.3 inches)84%moderate
November Weather4°C (39°F)70 mm (2.7 inches)89%moderate
December Weather0°C (32°F)55 mm (2.2 inches)86%low

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