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September Weather in Corning, United States

Last updated: June 24, 2025

In September, the average temperature in Corning, United States hovers around 20°C (69°F), offering a comfortable climate. Be prepared for a minimum temperature of 5°C (41°F) and the occasional spike to a maximum of 34°C (94°F). Expect 125 mm (4.9 in) of precipitation spread over 10 days, lending a touch of humidity with an average of 73%.

September Temperature in Corning

In September in Corning, the average temperature is 20°C (69°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 5°C (41°F). This makes Corning a suitable destination for travelers looking to experience mild weather with the possibility of warmer days.

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

The chart illustrates September temperature patterns in Corning, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Corning, September typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec242641506375777469533932
Data source: Temperature data for Corning 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 Corning

In Corning in September, the precipitation amount is 125 mm (4.9 in) spread over a period of 10 days.

September Precipitation Trends in Corning

The chart displays monthly precipitation patterns in Corning, 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 Corning, September typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec35358567167115831101251433534
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Corning

In Corning in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Corning

This chart illustrates the average monthly humidity levels in Corning, 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 Corning is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Corning

In Corning 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 Corning.

Maximum UV Index Levels in Corning for September

The chart shows the monthly maximum UV Index (UVI) for Corning 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 Corning typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111098643
Data source: Corning 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 Corning Compares to Other Months

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

This table compares monthly weather conditions in Corning, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)35 mm (1.4 inches)78%moderate
February Weather-4°C (26°F)35 mm (1.4 inches)80%moderate
March Weather5°C (41°F)85 mm (3.4 inches)77%high
April Weather10°C (50°F)67 mm (2.6 inches)77%very high
May Weather17°C (63°F)167 mm (6.6 inches)77%very high
June Weather24°C (75°F)115 mm (4.5 inches)81%extreme
July Weather25°C (78°F)83 mm (3.3 inches)81%very high
August Weather23°C (75°F)110 mm (4.3 inches)77%very high
September Weather20°C (69°F)125 mm (4.9 inches)73%very high
October Weather11°C (53°F)143 mm (5.6 inches)75%high
November Weather4°C (40°F)35 mm (1.4 inches)85%moderate
December Weather0°C (32°F)34 mm (1.3 inches)83%moderate

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