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September Weather in Dansville, United States

Last updated: June 24, 2025

In September, the average temperature in Dansville, United States is a pleasant 17°C (63°F). However, be prepared for a range, as temperatures can dip to a chilly 0°C (33°F) or soar up to a warm 32°C (89°F). Expect about 77 mm (3.0 in) of precipitation spread over 8 days, and a notable average humidity of 76%, making for a potentially humid atmosphere.

September Temperature in Dansville

In September in Dansville, the average temperature is 17°C (63°F), with maximums reaching 32°C (89°F) and minimums dipping as low as 0°C (33°F). This varied climate makes it essential to pack for both warm and cool conditions when traveling to Dansville during this time.

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 17°C (63°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec252734455766706962523730
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 77 mm (3.0 in) distributed over 8 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 77 mm (3.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7684741071179312581771308388
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 76%. With an average temperature of 17°C (63°F), this humidity feels like traveling through a warm, enveloping blanket, making every outdoor adventure feel sticky and heavy, yet pleasantly refreshing when you find a cool breeze.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
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-4°C (25°F)76 mm (3.0 inches)91%moderate
February Weather-3°C (28°F)84 mm (3.3 inches)91%moderate
March Weather1°C (34°F)74 mm (2.9 inches)88%high
April Weather7°C (45°F)107 mm (4.2 inches)88%very high
May Weather14°C (57°F)117 mm (4.6 inches)82%very high
June Weather19°C (66°F)92 mm (3.6 inches)79%very high
July Weather21°C (71°F)125 mm (4.9 inches)77%very high
August Weather20°C (69°F)81 mm (3.2 inches)72%very high
September Weather17°C (63°F)77 mm (3.0 inches)76%very high
October Weather11°C (52°F)130 mm (5.1 inches)83%high
November Weather3°C (38°F)83 mm (3.3 inches)88%moderate
December Weather-1°C (30°F)88 mm (3.5 inches)87%low

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