September Weather in Pittsford, United States

Last updated: June 24, 2025

In September, the average temperature in Pittsford, United States hovers around 16°C (61°F), making it a pleasant time to explore. However, be prepared for a range, with minimum temperatures plummeting to -2°C (29°F) and highs soaring to 31°C (89°F). Expect some weather variability, as 67 mm (2.7 in) of precipitation falls over approximately 8 days, resulting in an average humidity of 72%.

September Temperature in Pittsford

In September in Pittsford, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Pittsford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pittsford, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (89°F) and lows dropping to around -2°C (29°F).

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

September Precipitation in Pittsford

In Pittsford in September, the precipitation amount is 67 mm (2.7 in) during a total of 8 days.

September Precipitation Trends in Pittsford

The chart displays monthly precipitation patterns in Pittsford, 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 Pittsford, September typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 8 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 Pittsford

In Pittsford in September humidity is 72%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making every step feel heavier and requiring extra effort while traveling.

September Average Humidity in Pittsford

This chart illustrates the average monthly humidity levels in Pittsford, 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 Pittsford is approximately 72%, 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 Pittsford

In Pittsford 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 Pittsford.

Maximum UV Index Levels in Pittsford for September

The chart shows the monthly maximum UV Index (UVI) for Pittsford 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 Pittsford typically reaches 7, which falls under the high exposure category.

Data source: Pittsford 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 Pittsford Compares to Other Months

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

This table compares monthly weather conditions in Pittsford, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	79 mm (3.1 inches)	89%	moderate
February Weather	-5°C (24°F)	84 mm (3.3 inches)	88%	moderate
March Weather	-1°C (31°F)	77 mm (3.0 inches)	86%	moderate
April Weather	6°C (44°F)	120 mm (4.7 inches)	84%	very high
May Weather	13°C (56°F)	91 mm (3.6 inches)	76%	very high
June Weather	18°C (65°F)	88 mm (3.5 inches)	72%	very high
July Weather	21°C (70°F)	125 mm (4.9 inches)	66%	very high
August Weather	20°C (69°F)	89 mm (3.5 inches)	64%	very high
September Weather	16°C (61°F)	67 mm (2.7 inches)	72%	high
October Weather	10°C (50°F)	140 mm (5.5 inches)	81%	moderate
November Weather	2°C (35°F)	102 mm (4.0 inches)	87%	moderate
December Weather	-3°C (26°F)	89 mm (3.5 inches)	84%	low