September Weather in Corning, United States

Last updated: June 24, 2025

In September, the average temperature in Corning, United States is a pleasant 25°C (77°F). However, be prepared for a temperature range that can dip as low as 7°C (45°F) and soar up to a sizzling 43°C (109°F). Rain is quite rare, with an average precipitation of just 6 mm (0.2 in) over a single day, and you can expect the average humidity to hover around 44%.

September Temperature in Corning

In September in Corning, the average temperature is 25°C (77°F). Maximums can reach 43°C (109°F), and minimums can be as low as 7°C (45°F). Be sure to pack for a range of temperatures when traveling during this month.

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 25°C (77°F), with highs reaching up to 43°C (109°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for Corning generated using information from the Copernicus Climate Change Service.

September Precipitation in Corning

In Corning in September, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

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 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Corning

In Corning in September, humidity is 44%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable, warm embrace, making it pleasant for traveling 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 44%, offering insight into how humid the weather typically is during this month.

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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	122 mm (4.8 inches)	84%	moderate
February Weather	11°C (52°F)	123 mm (4.8 inches)	84%	moderate
March Weather	13°C (55°F)	105 mm (4.1 inches)	83%	high
April Weather	17°C (62°F)	48 mm (1.9 inches)	81%	very high
May Weather	21°C (71°F)	36 mm (1.4 inches)	74%	extreme
June Weather	27°C (81°F)	8 mm (0.3 inches)	64%	extreme
July Weather	30°C (87°F)	0 mm (0.0 inches)	44%	extreme
August Weather	29°C (84°F)	1 mm (0.0 inches)	36%	very high
September Weather	25°C (77°F)	6 mm (0.2 inches)	44%	very high
October Weather	19°C (66°F)	34 mm (1.4 inches)	65%	high
November Weather	13°C (56°F)	55 mm (2.2 inches)	84%	moderate
December Weather	9°C (49°F)	88 mm (3.5 inches)	83%	moderate