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September Weather in Plattsburg, United States

Last updated: June 24, 2025

In September, the average temperature in Plattsburg, United States hovers around 22°C (71°F), with extremes ranging from a cool 6°C (44°F) to a warm 33°C (92°F). Visitors can expect about 76 mm (3.0 in) of precipitation over 7 days, accompanied by an average humidity of 72%. Be prepared for a mix of weather throughout your stay!

September Temperature in Plattsburg

In September in Plattsburg, the average temperature is 22°C (71°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 6°C (44°F). This diverse range of temperatures makes Plattsburg an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Plattsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plattsburg, September typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec293145536577797671564336
Data source: Temperature data for Plattsburg 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 Plattsburg

In Plattsburg in September, the precipitation amount is 76 mm (3.0 in) over a period of 7 days.

September Precipitation Trends in Plattsburg

The chart displays monthly precipitation patterns in Plattsburg, 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 Plattsburg, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5237938220511697107761235036
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Plattsburg

In Plattsburg in September humidity is 72%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially sticky, urging travelers to stay hydrated and take breaks in the shade.

September Average Humidity in Plattsburg

This chart illustrates the average monthly humidity levels in Plattsburg, 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 Plattsburg is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Plattsburg

In Plattsburg in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Plattsburg.

Maximum UV Index Levels in Plattsburg for September

The chart shows the monthly maximum UV Index (UVI) for Plattsburg 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 Plattsburg typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Plattsburg 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 Plattsburg Compares to Other Months

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

This table compares monthly weather conditions in Plattsburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)52 mm (2.0 inches)80%moderate
February Weather0°C (32°F)37 mm (1.4 inches)78%moderate
March Weather7°C (45°F)93 mm (3.7 inches)75%high
April Weather12°C (53°F)82 mm (3.2 inches)77%very high
May Weather19°C (66°F)205 mm (8.1 inches)82%very high
June Weather25°C (77°F)116 mm (4.6 inches)83%extreme
July Weather26°C (80°F)97 mm (3.8 inches)81%extreme
August Weather25°C (76°F)106 mm (4.2 inches)78%very high
September Weather22°C (71°F)76 mm (3.0 inches)72%very high
October Weather13°C (56°F)123 mm (4.8 inches)72%high
November Weather6°C (43°F)50 mm (2.0 inches)84%moderate
December Weather2°C (37°F)36 mm (1.4 inches)86%moderate

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