nomadseason

September Weather in DeRuyter, United States

Last updated: June 24, 2025

In DeRuyter, United States, the average temperature in September is a comfortable 17°C (62°F). However, be prepared for a range, with minimums dipping to 0°C (32°F) and maximums reaching up to 32°C (89°F). Expect about 102 mm (4.0 in) of precipitation over 10 days, and humidity levels can be quite high at an average of 78%.

September Temperature in DeRuyter

In September in DeRuyter, the average temperature is 17°C (62°F). Maximums can reach 32°C (89°F) and minimums can drop as low as 0°C (32°F). Be sure to pack for both warm days and chilly nights while exploring this vibrant destination!

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

The chart illustrates September temperature patterns in DeRuyter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In DeRuyter, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec242633445765706862523729
Data source: Temperature data for DeRuyter generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in DeRuyter

In DeRuyter in September, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.

September Precipitation Trends in DeRuyter

The chart displays monthly precipitation patterns in DeRuyter, 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 DeRuyter, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9710296128137114181136102165111108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in DeRuyter

In DeRuyter in September, humidity is 78%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping blanket, making travel feel a bit sticky and heavy but also refreshing, as long as you're prepared with light clothing and plenty of water.

September Average Humidity in DeRuyter

This chart illustrates the average monthly humidity levels in DeRuyter, 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 DeRuyter is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in DeRuyter

In DeRuyter 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 DeRuyter.

Maximum UV Index Levels in DeRuyter for September

The chart shows the monthly maximum UV Index (UVI) for DeRuyter 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 DeRuyter typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34681010998642
Data source: DeRuyter 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 DeRuyter Compares to Other Months

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

This table compares monthly weather conditions in DeRuyter, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)97 mm (3.8 inches)90%moderate
February Weather-3°C (27°F)102 mm (4.0 inches)90%moderate
March Weather0°C (33°F)96 mm (3.8 inches)87%high
April Weather7°C (45°F)127 mm (5.0 inches)88%very high
May Weather14°C (57°F)137 mm (5.4 inches)82%very high
June Weather18°C (66°F)114 mm (4.5 inches)79%very high
July Weather21°C (71°F)181 mm (7.1 inches)78%very high
August Weather20°C (69°F)136 mm (5.4 inches)76%very high
September Weather17°C (62°F)102 mm (4.0 inches)78%very high
October Weather11°C (52°F)165 mm (6.5 inches)84%high
November Weather3°C (37°F)111 mm (4.4 inches)89%moderate
December Weather-2°C (29°F)108 mm (4.3 inches)86%low

Compare DeRuyter's Climate with Cities Worldwide