nomadseason

September Weather in Troy, United States

Last updated: June 24, 2025

In September, the average temperature in Troy, United States hovers around 13°C (56°F), with minimums dipping as low as -2°C (29°F) and peaks soaring to 31°C (89°F). Expect 50 mm (2.0 in) of precipitation spread across about 7 days, coupled with an average humidity of 71%. Stay prepared for varied weather conditions!

September Temperature in Troy

In September in Troy, the average temperature is 13°C (56°F). Maximum temperatures can reach 31°C (89°F), while minimum temperatures may drop as low as -2°C (29°F). This diverse temperature range makes Troy an interesting destination for travelers, offering both warm and cooler experiences.

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 13°C (56°F), with highs reaching up to 31°C (89°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec242132395259686755413326
Data source: Temperature data for Troy 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 Troy

In Troy in September, the precipitation amount is 50 mm (2.0 in) over a span of 7 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 50 mm (2.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec10812390887349132450109132143
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Troy

In Troy in September humidity is 71%. With an average temperature of 13°C (56°F), this humidity feels like a damp embrace that can make exploring the area feel a bit stifling and requires light, breathable clothing to remain comfortable while traveling.

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 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
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.
JanFebMarAprMayJunJulAugSepOctNovDec236799997532
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-5°C (24°F)108 mm (4.2 inches)95%low
February Weather-6°C (21°F)123 mm (4.8 inches)93%moderate
March Weather0°C (32°F)90 mm (3.5 inches)91%high
April Weather4°C (40°F)88 mm (3.5 inches)88%high
May Weather11°C (52°F)73 mm (2.9 inches)83%very high
June Weather15°C (59°F)49 mm (1.9 inches)80%very high
July Weather20°C (68°F)13 mm (0.5 inches)82%very high
August Weather19°C (67°F)24 mm (1.0 inches)71%very high
September Weather13°C (56°F)50 mm (2.0 inches)71%high
October Weather5°C (42°F)109 mm (4.3 inches)85%moderate
November Weather0°C (33°F)132 mm (5.2 inches)90%moderate
December Weather-3°C (27°F)143 mm (5.6 inches)96%low

Compare Troy's Climate with Cities Worldwide