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September Weather in Saddle River, United States

Last updated: June 24, 2025

In Saddle River, United States, the average temperature in September is a comfortable 20°C (69°F). However, temperatures can vary significantly, ranging from a chilly 7°C (45°F) to a warm 33°C (92°F). Expect about 106 mm (4.2 in) of precipitation spread over 10 days, with an average humidity level of 68%. Whether you're exploring or relaxing, be prepared for a mix of mild weather and occasional rain!

September Temperature in Saddle River

In September in Saddle River, the average temperature is 20°C (69°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 7°C (45°F). This range makes Saddle River a pleasant destination for travelers looking to enjoy mild weather with some variety in temperature.

September Weather in Saddle River: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saddle River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saddle River, September typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec323540506170777568594537
Data source: Temperature data for Saddle River 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 Saddle River

In Saddle River in September, the precipitation amount is 106 mm (4.2 in) over a span of 10 days.

September Precipitation Trends in Saddle River

The chart displays monthly precipitation patterns in Saddle River, 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 Saddle River, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6998931141219515012910613586109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saddle River

In Saddle River in September, humidity is 68%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making outdoor exploration both refreshing and slightly sticky, requiring occasional breaks in the shade to stay comfortable while traveling.

September Average Humidity in Saddle River

This chart illustrates the average monthly humidity levels in Saddle River, 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 Saddle River is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saddle River

In Saddle River in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Saddle River.

Maximum UV Index Levels in Saddle River for September

The chart shows the monthly maximum UV Index (UVI) for Saddle River 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 Saddle River typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Saddle River 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 Saddle River Compares to Other Months

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

This table compares monthly weather conditions in Saddle River, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)69 mm (2.7 inches)84%moderate
February Weather2°C (35°F)98 mm (3.9 inches)82%moderate
March Weather5°C (41°F)93 mm (3.7 inches)81%high
April Weather10°C (51°F)114 mm (4.5 inches)78%very high
May Weather16°C (61°F)121 mm (4.8 inches)69%very high
June Weather21°C (71°F)95 mm (3.7 inches)69%very high
July Weather25°C (77°F)149 mm (5.9 inches)62%very high
August Weather24°C (75°F)129 mm (5.1 inches)65%very high
September Weather20°C (69°F)106 mm (4.2 inches)68%very high
October Weather15°C (59°F)135 mm (5.3 inches)74%high
November Weather7°C (45°F)86 mm (3.4 inches)82%moderate
December Weather3°C (37°F)109 mm (4.3 inches)80%low

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