nomadseason

September Weather in Plummer, United States

Last updated: June 24, 2025

In September, the average temperature in Plummer, United States hovers around 16°C (62°F), providing a pleasant climate for outdoor activities. Expect minimums dipping to 1°C (35°F) and maximums peaking at 35°C (95°F). Additionally, you can anticipate about 33 mm (1.3 in) of precipitation over 5 days, resulting in an average humidity of 62%.

September Temperature in Plummer

In September in Plummer, the average temperature is 16°C (62°F). The maximum can reach 35°C (95°F), while the minimum can drop to as low as 1°C (35°F). Be prepared for a range of temperatures, making it ideal to pack layers for your travels.

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

The chart illustrates September temperature patterns in Plummer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plummer, September typically has an average temperature of 16°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec323139465664737262483933
Data source: Temperature data for Plummer 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 Plummer

In Plummer in September, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.

September Precipitation Trends in Plummer

The chart displays monthly precipitation patterns in Plummer, 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 Plummer, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec829672686230511337110092
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Plummer

In Plummer in September, humidity is 62%. With an average temperature of 16°C (62°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities a bit sticky but still comfortable if you plan to explore at a leisurely pace.

September Average Humidity in Plummer

This chart illustrates the average monthly humidity levels in Plummer, 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 Plummer is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Plummer

In Plummer 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 Plummer.

Maximum UV Index Levels in Plummer for September

The chart shows the monthly maximum UV Index (UVI) for Plummer 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 Plummer typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457891097532
Data source: Plummer 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 Plummer Compares to Other Months

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

This table compares monthly weather conditions in Plummer, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)82 mm (3.2 inches)89%low
February Weather0°C (32°F)96 mm (3.8 inches)89%moderate
March Weather4°C (40°F)72 mm (2.8 inches)87%moderate
April Weather8°C (47°F)67 mm (2.7 inches)84%high
May Weather13°C (56°F)62 mm (2.4 inches)77%very high
June Weather18°C (64°F)30 mm (1.2 inches)78%very high
July Weather23°C (73°F)5 mm (0.2 inches)77%very high
August Weather22°C (72°F)11 mm (0.4 inches)64%very high
September Weather16°C (62°F)33 mm (1.3 inches)62%high
October Weather9°C (48°F)71 mm (2.8 inches)79%moderate
November Weather4°C (39°F)100 mm (3.9 inches)87%moderate
December Weather0°C (33°F)92 mm (3.6 inches)90%low

Compare Plummer's Climate with Cities Worldwide