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September Weather in New Salem, United States

Last updated: June 24, 2025

In September, the average temperature in New Salem, United States hovers around 16°C (61°F). However, be prepared for a wide range, as temperatures can dip as low as -1°C (30°F) or soar up to 36°C (96°F). During this month, expect approximately 50 mm (2.0 in) of precipitation spread over 5 days, and a comfortable average humidity of 69%.

September Temperature in New Salem

In September in New Salem, the average temperature is 16°C (61°F). Maximum temperatures can reach 36°C (96°F), while minimum temperatures can drop as low as -1°C (30°F). Be prepared for a wide range of weather conditions when traveling to New Salem during this time.

September Weather in New Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in New Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Salem, September typically has an average temperature of 16°C (61°F), with highs reaching up to 36°C (96°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec161430405568736960433122
Data source: Temperature data for New Salem 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 New Salem

In New Salem in September, the precipitation amount is 50 mm (2.0 in) over a period of 5 days.

September Precipitation Trends in New Salem

The chart displays monthly precipitation patterns in New Salem, 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 New Salem, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec121625295858606750521621
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Salem

In New Salem in September, humidity is 69%. With an average temperature of 16°C (61°F), this humidity feels like a mild, humid embrace, making travel enjoyable yet requiring a light layer for comfort while exploring.

September Average Humidity in New Salem

This chart illustrates the average monthly humidity levels in New Salem, 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 New Salem is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Salem

In New Salem 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 New Salem.

Maximum UV Index Levels in New Salem for September

The chart shows the monthly maximum UV Index (UVI) for New Salem 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 New Salem typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2459810997532
Data source: New Salem 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 New Salem Compares to Other Months

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

This table compares monthly weather conditions in New Salem, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)12 mm (0.5 inches)84%low
February Weather-10°C (14°F)16 mm (0.6 inches)88%moderate
March Weather-1°C (30°F)25 mm (1.0 inches)78%moderate
April Weather4°C (40°F)29 mm (1.1 inches)75%very high
May Weather13°C (55°F)58 mm (2.3 inches)76%very high
June Weather20°C (69°F)58 mm (2.3 inches)79%very high
July Weather23°C (73°F)60 mm (2.4 inches)78%very high
August Weather21°C (70°F)67 mm (2.6 inches)78%very high
September Weather16°C (61°F)50 mm (2.0 inches)69%high
October Weather6°C (43°F)52 mm (2.1 inches)71%moderate
November Weather-1°C (31°F)16 mm (0.6 inches)82%moderate
December Weather-5°C (23°F)21 mm (0.8 inches)84%low

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