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September Weather in North Hornell, United States

Last updated: June 24, 2025

In September, the average temperature in North Hornell, United States is a mild 16°C (62°F), with lows dipping to 0°C (32°F) and soaring highs of 31°C (88°F). Rainfall is expected, with a total precipitation of 80 mm (3.2 in) over approximately 9 days. Additionally, the average humidity hovers around 76%, contributing to a pleasantly damp atmosphere.

September Temperature in North Hornell

In September in North Hornell, the average temperature is 16°C (62°F). Maximums can reach 31°C (88°F), while minimums can drop as low as 0°C (32°F). Be prepared for a variety of weather conditions when traveling during this time.

September Weather in North Hornell: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in North Hornell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Hornell, September typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec242734445765706862513730
Data source: Temperature data for North Hornell 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 North Hornell

In North Hornell in September, the total precipitation amount is 80 mm (3.2 in) over the course of 9 days.

September Precipitation Trends in North Hornell

The chart displays monthly precipitation patterns in North Hornell, 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 North Hornell, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7487771091179512882801278185
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in North Hornell

In North Hornell in September, humidity is 76%. With an average temperature of 16°C (62°F), this humidity feels like a warm, enveloping blanket that makes exploring the outdoors feel both refreshing and slightly muggy, urging travelers to take breaks often and enjoy the shade.

September Average Humidity in North Hornell

This chart illustrates the average monthly humidity levels in North Hornell, 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 North Hornell 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 North Hornell

In North Hornell 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 North Hornell.

Maximum UV Index Levels in North Hornell for September

The chart shows the monthly maximum UV Index (UVI) for North Hornell 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 North Hornell typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: North Hornell 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 North Hornell Compares to Other Months

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

This table compares monthly weather conditions in North Hornell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)74 mm (2.9 inches)91%moderate
February Weather-3°C (27°F)87 mm (3.4 inches)91%moderate
March Weather1°C (34°F)77 mm (3.0 inches)88%high
April Weather7°C (45°F)109 mm (4.3 inches)88%very high
May Weather14°C (57°F)117 mm (4.6 inches)82%very high
June Weather18°C (65°F)95 mm (3.7 inches)79%very high
July Weather21°C (70°F)128 mm (5.0 inches)77%very high
August Weather20°C (68°F)81 mm (3.2 inches)72%very high
September Weather16°C (62°F)80 mm (3.2 inches)76%very high
October Weather11°C (52°F)127 mm (5.0 inches)83%high
November Weather3°C (37°F)81 mm (3.2 inches)88%moderate
December Weather-1°C (30°F)85 mm (3.3 inches)87%low

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