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September Weather in White Plains, United States

Last updated: June 24, 2025

In September, the average temperature in White Plains, United States hovers around 24°C (76°F). You can expect a range with a minimum of 11°C (51°F) and a maximum of 36°C (97°F). During this month, the region receives about 84 mm (3.3 in) of precipitation over 9 days, contributing to an average humidity of 73%.

September Temperature in White Plains

In September in White Plains, the average temperature is 24°C (76°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 11°C (51°F). It's a great time for travelers to enjoy a mix of warm days and cooler nights while exploring all that White Plains has to offer.

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

The chart illustrates September temperature patterns in White Plains, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In White Plains, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec465257637277807975665249
Data source: Temperature data for White 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 White Plains

In White Plains in September, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

September Precipitation Trends in White Plains

The chart displays monthly precipitation patterns in White 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 White Plains, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091591281491071231051368412283140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in White Plains

In White Plains in September humidity is 73%. With an average temperature of 24°C (76°F), this humidity feels like a warm and sticky embrace, making travel slightly uncomfortable as the air thickens around you, prompting you to seek shade and stay hydrated.

September Average Humidity in White Plains

This chart illustrates the average monthly humidity levels in White 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 White Plains is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in White Plains

In White Plains in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in White Plains.

Maximum UV Index Levels in White Plains for September

The chart shows the monthly maximum UV Index (UVI) for White 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 White Plains typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111010864
Data source: White 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 White Plains Compares to Other Months

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

This table compares monthly weather conditions in White Plains, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)109 mm (4.3 inches)85%moderate
February Weather11°C (52°F)159 mm (6.2 inches)84%high
March Weather14°C (57°F)128 mm (5.0 inches)82%very high
April Weather17°C (63°F)149 mm (5.9 inches)82%very high
May Weather22°C (72°F)107 mm (4.2 inches)81%extreme
June Weather25°C (77°F)122 mm (4.8 inches)77%extreme
July Weather27°C (80°F)105 mm (4.1 inches)77%extreme
August Weather26°C (79°F)136 mm (5.3 inches)72%very high
September Weather24°C (76°F)84 mm (3.3 inches)73%very high
October Weather19°C (67°F)122 mm (4.8 inches)73%very high
November Weather11°C (53°F)83 mm (3.3 inches)85%high
December Weather9°C (49°F)140 mm (5.5 inches)88%moderate

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