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September Weather in Dover Plains, United States

Last updated: June 24, 2025

In September, the average temperature in Dover Plains, United States hovers around 18°C (65°F), making it a pleasant time to visit. However, temperatures can vary significantly, with a minimum of 3°C (37°F) and a maximum soaring to 32°C (90°F). Expect some rainfall, as the region receives about 118 mm (4.6 in) of precipitation over 9 days. With an average humidity of 68%, the air can feel quite refreshing or a tad muggy, depending on the weather!

September Temperature in Dover Plains

In September in Dover Plains, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 32°C (90°F), while the minimum can drop as low as 3°C (37°F). This varying climate makes it essential for travelers to pack for both warm and cool conditions.

September Weather in Dover Plains: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Dover Plains, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dover Plains, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec283137485868737265554133
Data source: Temperature data for Dover Plains 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 Dover Plains

In Dover Plains in September, the precipitation amount is 118 mm (4.6 in) over the course of 9 days.

September Precipitation Trends in Dover Plains

The chart displays monthly precipitation patterns in Dover Plains, 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 Dover Plains, September typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7293871211159312610811813994110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dover Plains

In Dover Plains in September, humidity is 68%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel somewhat sticky and requiring occasional breaks for refreshing hydration.

September Average Humidity in Dover Plains

This chart illustrates the average monthly humidity levels in Dover Plains, 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 Dover Plains is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dover Plains

In Dover Plains 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 Dover Plains.

Maximum UV Index Levels in Dover Plains for September

The chart shows the monthly maximum UV Index (UVI) for Dover Plains 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 Dover Plains typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Dover Plains 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 Dover Plains Compares to Other Months

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

This table compares monthly weather conditions in Dover Plains, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)72 mm (2.8 inches)84%moderate
February Weather0°C (32°F)93 mm (3.7 inches)82%moderate
March Weather3°C (37°F)87 mm (3.4 inches)81%high
April Weather9°C (48°F)121 mm (4.8 inches)78%very high
May Weather15°C (59°F)115 mm (4.5 inches)69%very high
June Weather20°C (68°F)93 mm (3.7 inches)69%very high
July Weather23°C (74°F)126 mm (5.0 inches)62%very high
August Weather22°C (72°F)108 mm (4.2 inches)65%very high
September Weather18°C (65°F)118 mm (4.6 inches)68%very high
October Weather13°C (55°F)139 mm (5.5 inches)74%high
November Weather5°C (41°F)94 mm (3.7 inches)82%moderate
December Weather0°C (33°F)110 mm (4.3 inches)80%low

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