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September Weather in Pittsfield, United States

Last updated: June 24, 2025

In Pittsfield, United States, the average temperature in September is a pleasant 22°C (71°F), with extremes ranging from a cool 6°C (43°F) to a warm 34°C (94°F). Expect an average precipitation of 73 mm (2.9 in) spread over 7 days, and enjoy a relatively high humidity level of 76%.

September Temperature in Pittsfield

In September in Pittsfield, the average temperature is 22°C (71°F). Maximums can reach 34°C (94°F), and minimums can be as low as 6°C (43°F). Be prepared for a range of temperatures if you plan to travel during this time, as it can be pleasantly warm during the day but cooler at night.

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

The chart illustrates September temperature patterns in Pittsfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pittsfield, September typically has an average temperature of 22°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec303345536675787571574337
Data source: Temperature data for Pittsfield 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 Pittsfield

In Pittsfield in September, the precipitation amount is 73 mm (2.9 in) during a span of 7 days.

September Precipitation Trends in Pittsfield

The chart displays monthly precipitation patterns in Pittsfield, 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 Pittsfield, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6663133122167110101114731046448
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pittsfield

In Pittsfield in September, humidity is 76%. With an average temperature of 22°C (71°F), this humidity feels like traveling through a warm, dense mist that clings to your skin, making every step feel heavier and the air seem thicker, which can be quite draining for outdoor activities.

September Average Humidity in Pittsfield

This chart illustrates the average monthly humidity levels in Pittsfield, 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 Pittsfield is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pittsfield

In Pittsfield 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 Pittsfield.

Maximum UV Index Levels in Pittsfield for September

The chart shows the monthly maximum UV Index (UVI) for Pittsfield 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 Pittsfield typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111199643
Data source: Pittsfield 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 Pittsfield Compares to Other Months

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

This table compares monthly weather conditions in Pittsfield, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)66 mm (2.6 inches)82%moderate
February Weather0°C (33°F)63 mm (2.5 inches)80%moderate
March Weather7°C (45°F)133 mm (5.3 inches)80%high
April Weather12°C (54°F)122 mm (4.8 inches)80%very high
May Weather19°C (66°F)167 mm (6.6 inches)82%very high
June Weather24°C (76°F)110 mm (4.3 inches)83%extreme
July Weather26°C (79°F)101 mm (4.0 inches)81%extreme
August Weather24°C (75°F)114 mm (4.5 inches)80%very high
September Weather22°C (71°F)73 mm (2.9 inches)76%very high
October Weather14°C (58°F)104 mm (4.1 inches)76%high
November Weather6°C (43°F)63 mm (2.5 inches)85%moderate
December Weather3°C (37°F)48 mm (1.9 inches)86%moderate

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