September Weather in Greenbush, United States

Last updated: June 24, 2025

In Greenbush, United States, the average temperature in September reaches a comfortable 14°C (57°F). However, temperatures can vary significantly, with a minimum of -4°C (26°F) and a high of 31°C (88°F). Expect an average precipitation of 79 mm (3.1 in) over approximately 10 days, accompanied by a relatively high humidity level of 75%.

September Temperature in Greenbush

In September in Greenbush, the average temperature is 14°C (57°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -4°C (26°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates September temperature patterns in Greenbush, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenbush, September typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (88°F) and lows dropping to around -4°C (26°F).

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

September Precipitation in Greenbush

In Greenbush in September, the precipitation amount is 79 mm (3.1 in) over a span of 10 days.

September Precipitation Trends in Greenbush

The chart displays monthly precipitation patterns in Greenbush, 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 Greenbush, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Greenbush

In Greenbush in September, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

September Average Humidity in Greenbush

This chart illustrates the average monthly humidity levels in Greenbush, 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 Greenbush is approximately 75%, 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 Greenbush

In Greenbush 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 Greenbush.

Maximum UV Index Levels in Greenbush for September

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

Data source: Greenbush 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 Greenbush Compares to Other Months

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

This table compares monthly weather conditions in Greenbush, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-14°C (8°F)	18 mm (0.7 inches)	94%	low
February Weather	-15°C (6°F)	21 mm (0.8 inches)	91%	moderate
March Weather	-4°C (25°F)	24 mm (0.9 inches)	90%	moderate
April Weather	3°C (37°F)	34 mm (1.3 inches)	81%	high
May Weather	12°C (54°F)	57 mm (2.2 inches)	74%	very high
June Weather	19°C (66°F)	87 mm (3.4 inches)	75%	very high
July Weather	21°C (70°F)	75 mm (2.9 inches)	74%	very high
August Weather	19°C (67°F)	72 mm (2.9 inches)	77%	very high
September Weather	14°C (57°F)	79 mm (3.1 inches)	75%	high
October Weather	5°C (42°F)	81 mm (3.2 inches)	78%	moderate
November Weather	-4°C (25°F)	30 mm (1.2 inches)	87%	low
December Weather	-10°C (14°F)	31 mm (1.2 inches)	93%	low