September Weather in Niskayuna, United States

Last updated: June 24, 2025

In September, the average temperature in Niskayuna, United States is a pleasant 18°C (65°F). However, be prepared for a range, as temperatures can dip to a chilly 1°C (34°F) or soar up to a warm 33°C (91°F). With 104 mm (4.1 in) of precipitation spread over 8 days, it's wise to carry an umbrella. To top it off, the average humidity rests at a comfortable 72%, making for a refreshing atmosphere.

September Temperature in Niskayuna

In September in Niskayuna, the average temperature is 18°C (65°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 1°C (34°F). Be prepared for a diverse range of temperatures when you travel, ensuring you're equipped for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Niskayuna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niskayuna, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 1°C (34°F).

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

September Precipitation in Niskayuna

In Niskayuna, in September, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.

September Precipitation Trends in Niskayuna

The chart displays monthly precipitation patterns in Niskayuna, 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 Niskayuna, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 8 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 Niskayuna

In Niskayuna in September humidity is 72%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace, making traveling somewhat uncomfortable as the air clings to your skin and the heat can be stifling, yet it's perfect for enjoying leisurely strolls under the shade.

September Average Humidity in Niskayuna

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

In Niskayuna 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 Niskayuna.

Maximum UV Index Levels in Niskayuna for September

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

Data source: Niskayuna 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 Niskayuna Compares to Other Months

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

This table compares monthly weather conditions in Niskayuna, 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 (27°F)	73 mm (2.9 inches)	89%	moderate
February Weather	-1°C (30°F)	93 mm (3.7 inches)	88%	moderate
March Weather	2°C (36°F)	78 mm (3.1 inches)	86%	high
April Weather	9°C (48°F)	129 mm (5.1 inches)	84%	very high
May Weather	15°C (60°F)	99 mm (3.9 inches)	76%	very high
June Weather	20°C (68°F)	99 mm (3.9 inches)	72%	very high
July Weather	23°C (74°F)	133 mm (5.2 inches)	66%	very high
August Weather	22°C (72°F)	105 mm (4.2 inches)	64%	very high
September Weather	18°C (65°F)	104 mm (4.1 inches)	72%	high
October Weather	12°C (54°F)	144 mm (5.7 inches)	81%	high
November Weather	4°C (40°F)	99 mm (3.9 inches)	87%	moderate
December Weather	0°C (32°F)	97 mm (3.8 inches)	84%	low