September Weather in Poestenkill, United States

Last updated: June 24, 2025

In September, the average temperature in Poestenkill, United States hovers around 18°C (64°F). However, be prepared for a range, as it can dip to a chilly 0°C (33°F) or soar up to a warm 32°C (90°F). Expect some rain, with an average precipitation of 98 mm (3.9 in) spread across about 8 days. Additionally, the average humidity sits at a comfortable 72%, making it a pleasant time to visit!

September Temperature in Poestenkill

In September in Poestenkill, the average temperature is 18°C (64°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 0°C (33°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for varying weather conditions.

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

The chart illustrates September temperature patterns in Poestenkill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poestenkill, September typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (33°F).

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

September Precipitation in Poestenkill

In Poestenkill in September, the total precipitation amount is 98 mm (3.9 in), occurring over 8 days.

September Precipitation Trends in Poestenkill

The chart displays monthly precipitation patterns in Poestenkill, 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 Poestenkill, September typically receives around 98 mm (3.9 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 Poestenkill

In Poestenkill in September, humidity is 72%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as the air clings to your skin, leaving you longing for a refreshing breeze.

September Average Humidity in Poestenkill

This chart illustrates the average monthly humidity levels in Poestenkill, 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 Poestenkill 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 Poestenkill

In Poestenkill 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 Poestenkill.

Maximum UV Index Levels in Poestenkill for September

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

Data source: Poestenkill 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 Poestenkill Compares to Other Months

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

This table compares monthly weather conditions in Poestenkill, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	77 mm (3.1 inches)	89%	moderate
February Weather	-2°C (29°F)	96 mm (3.8 inches)	88%	moderate
March Weather	2°C (35°F)	84 mm (3.3 inches)	86%	high
April Weather	8°C (47°F)	125 mm (4.9 inches)	84%	very high
May Weather	15°C (59°F)	97 mm (3.8 inches)	76%	very high
June Weather	20°C (68°F)	83 mm (3.3 inches)	72%	very high
July Weather	23°C (73°F)	112 mm (4.4 inches)	66%	very high
August Weather	22°C (71°F)	89 mm (3.5 inches)	64%	very high
September Weather	18°C (64°F)	98 mm (3.9 inches)	72%	high
October Weather	12°C (53°F)	142 mm (5.6 inches)	81%	high
November Weather	4°C (39°F)	105 mm (4.1 inches)	87%	moderate
December Weather	-1°C (31°F)	102 mm (4.0 inches)	84%	low