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September Weather in Fincastle, United States

Last updated: June 24, 2025

In September, the average temperature in Fincastle, United States hovers around 22°C (71°F), with a comfortable average humidity of 67%. Expect temperatures to range from a cool 8°C (47°F) to a sizzling 35°C (94°F). Be prepared for some rain, as precipitation averages 102 mm (4.0 in) over 11 days throughout the month.

September Temperature in Fincastle

In September in Fincastle, the average temperature is 22°C (71°F). Maximum temperatures can reach 35°C (94°F), while minimum temperatures can drop to as low as 8°C (47°F). This diverse climate makes Fincastle an ideal destination for travelers seeking a range of outdoor activities and comfortable weather.

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

The chart illustrates September temperature patterns in Fincastle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fincastle, September typically has an average temperature of 22°C (71°F), with highs reaching up to 35°C (94°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec394450576773777571614743
Data source: Temperature data for Fincastle 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 Fincastle

In Fincastle in September, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.

September Precipitation Trends in Fincastle

The chart displays monthly precipitation patterns in Fincastle, 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 Fincastle, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9318014115112212912114310213379136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fincastle

In Fincastle in September, humidity is 67%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet slightly uncomfortable, as the air hangs thick, reminding travelers to stay hydrated and seek shade during the midday sun.

September Average Humidity in Fincastle

This chart illustrates the average monthly humidity levels in Fincastle, 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 Fincastle is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fincastle

In Fincastle 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 Fincastle.

Maximum UV Index Levels in Fincastle for September

The chart shows the monthly maximum UV Index (UVI) for Fincastle 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 Fincastle typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Fincastle 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 Fincastle Compares to Other Months

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

This table compares monthly weather conditions in Fincastle, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)93 mm (3.7 inches)88%moderate
February Weather7°C (44°F)180 mm (7.1 inches)88%high
March Weather10°C (50°F)141 mm (5.5 inches)87%very high
April Weather14°C (57°F)151 mm (5.9 inches)84%very high
May Weather19°C (67°F)122 mm (4.8 inches)84%extreme
June Weather23°C (73°F)129 mm (5.1 inches)83%extreme
July Weather25°C (77°F)121 mm (4.8 inches)79%extreme
August Weather24°C (75°F)143 mm (5.6 inches)66%very high
September Weather22°C (71°F)102 mm (4.0 inches)67%very high
October Weather16°C (62°F)133 mm (5.3 inches)76%high
November Weather8°C (47°F)78 mm (3.1 inches)89%moderate
December Weather6°C (43°F)136 mm (5.4 inches)88%moderate

Compare Fincastle's Climate with Cities Worldwide