September Weather in Troy, United States

Last updated: June 24, 2025

The average temperature in Troy, United States during September is a pleasant 16°C (61°F). However, temperatures can vary significantly, with lows of 2°C (35°F) and highs reaching up to 35°C (95°F). Expect about 29 mm (1.1 in) of precipitation spread over 5 days, and enjoy a relatively comfortable average humidity of 62%.

September Temperature in Troy

In September in Troy, the average temperature is 16°C (61°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 2°C (35°F). Be prepared for a wide range of temperatures while exploring the diverse climate of Troy.

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

The chart illustrates September temperature patterns in Troy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Troy, September typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec313139465664737261473832
Data source: Temperature data for Troy 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 Troy

In Troy in September, the total precipitation amount is 29 mm (1.1 in) recorded over a span of 5 days.

September Precipitation Trends in Troy

The chart displays monthly precipitation patterns in Troy, 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 Troy, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec771177869623341229759296
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Troy

In Troy in September, humidity is 62%. With an average temperature of 16°C (61°F), this humidity feels like a gentle blanket, making traveling comfortable yet occasionally sticky, prompting the need for light, breathable clothing to fully enjoy the sights.

September Average Humidity in Troy

This chart illustrates the average monthly humidity levels in Troy, 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 Troy 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 Troy

In Troy 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 Troy.

Maximum UV Index Levels in Troy for September

The chart shows the monthly maximum UV Index (UVI) for Troy 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 Troy typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Troy 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 Troy Compares to Other Months

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

This table compares monthly weather conditions in Troy, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)77 mm (3.0 inches)89%low
February Weather0°C (31°F)117 mm (4.6 inches)89%moderate
March Weather4°C (39°F)78 mm (3.1 inches)87%high
April Weather8°C (47°F)69 mm (2.7 inches)84%high
May Weather13°C (56°F)62 mm (2.5 inches)77%very high
June Weather18°C (64°F)33 mm (1.3 inches)78%very high
July Weather23°C (73°F)4 mm (0.2 inches)77%very high
August Weather22°C (72°F)12 mm (0.5 inches)64%very high
September Weather16°C (61°F)29 mm (1.1 inches)62%high
October Weather8°C (47°F)75 mm (2.9 inches)79%moderate
November Weather3°C (38°F)92 mm (3.6 inches)87%moderate
December Weather0°C (32°F)96 mm (3.8 inches)90%low

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