September Weather in Cedar Grove, United States

Last updated: June 24, 2025

In September, the average temperature in Cedar Grove, United States hovers around 18°C (65°F), with a comfortable range between a minimum of 9°C (48°F) and a maximum of 25°C (77°F). Expect 93 mm (3.7 in) of precipitation spread over 9 days, and prepare for a fairly humid atmosphere, with average humidity levels reaching 79%. Enjoy the blend of mild temperatures and lush greenery!

September Temperature in Cedar Grove

In September in Cedar Grove, the average temperature is 18°C (65°F). Maximums can reach up to 25°C (77°F), while minimums can dip as low as 9°C (48°F). This generally mild weather makes it a great time for outdoor activities and exploring the local attractions.

September Weather in Cedar Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cedar Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cedar Grove, September typically has an average temperature of 18°C (65°F), with highs reaching up to 25°C (77°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec262533394758687065533932
Data source: Temperature data for Cedar Grove 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 Cedar Grove

In Cedar Grove in September, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

September Precipitation Trends in Cedar Grove

The chart displays monthly precipitation patterns in Cedar Grove, 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 Cedar Grove, September typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec616069107126968069931265859
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cedar Grove

In Cedar Grove in September, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

September Average Humidity in Cedar Grove

This chart illustrates the average monthly humidity levels in Cedar Grove, 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 Cedar Grove is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cedar Grove

In Cedar Grove 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 Cedar Grove.

Maximum UV Index Levels in Cedar Grove for September

The chart shows the monthly maximum UV Index (UVI) for Cedar Grove 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 Cedar Grove typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Cedar Grove 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 Cedar Grove Compares to Other Months

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

This table compares monthly weather conditions in Cedar Grove, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)61 mm (2.4 inches)85%low
February Weather-4°C (26°F)60 mm (2.4 inches)85%moderate
March Weather1°C (33°F)69 mm (2.7 inches)85%moderate
April Weather4°C (39°F)107 mm (4.2 inches)85%very high
May Weather8°C (47°F)126 mm (5.0 inches)78%very high
June Weather14°C (58°F)96 mm (3.8 inches)80%very high
July Weather20°C (68°F)80 mm (3.1 inches)78%very high
August Weather21°C (70°F)69 mm (2.7 inches)76%very high
September Weather18°C (65°F)93 mm (3.7 inches)79%high
October Weather12°C (53°F)126 mm (5.0 inches)83%moderate
November Weather4°C (39°F)58 mm (2.3 inches)88%moderate
December Weather0°C (33°F)59 mm (2.3 inches)81%low

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