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September Weather in Thorndale, United States

Last updated: June 24, 2025

In September, the average temperature in Thorndale, United States is a warm 27°C (81°F). However, prepare for a range as it can dip to a minimum of 11°C (51°F) and soar to a sizzling 39°C (102°F). With an average humidity of 69% and 114 mm (4.5 in) of precipitation spread over 11 days, make sure to stay hydrated and be ready for some refreshing showers!

September Temperature in Thorndale

In September in Thorndale, the average temperature is 27°C (81°F). The maximum can reach 39°C (102°F), and the minimum can be as low as 11°C (51°F). This makes it a great time to visit for those who enjoy warm weather, but it's advisable to prepare for both the heat and cooler evenings.

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

The chart illustrates September temperature patterns in Thorndale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thorndale, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec525364687782858680716055
Data source: Temperature data for Thorndale 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 Thorndale

In Thorndale in September, the total precipitation amount is 114 mm (4.5 in) spread over 11 days.

September Precipitation Trends in Thorndale

The chart displays monthly precipitation patterns in Thorndale, 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 Thorndale, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5667711121589579109114916183
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Thorndale

In Thorndale in September, humidity is 69%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket wrapped around you, making it essential to stay hydrated and take frequent breaks during your travels.

September Average Humidity in Thorndale

This chart illustrates the average monthly humidity levels in Thorndale, 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 Thorndale is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Thorndale

In Thorndale 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 Thorndale.

Maximum UV Index Levels in Thorndale for September

The chart shows the monthly maximum UV Index (UVI) for Thorndale 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 Thorndale typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110865
Data source: Thorndale 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 Thorndale Compares to Other Months

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

This table compares monthly weather conditions in Thorndale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)56 mm (2.2 inches)79%moderate
February Weather12°C (53°F)67 mm (2.6 inches)80%very high
March Weather18°C (64°F)71 mm (2.8 inches)78%very high
April Weather20°C (69°F)112 mm (4.4 inches)79%extreme
May Weather25°C (77°F)158 mm (6.2 inches)81%extreme
June Weather28°C (82°F)95 mm (3.7 inches)77%extreme
July Weather29°C (85°F)79 mm (3.1 inches)71%extreme
August Weather30°C (87°F)109 mm (4.3 inches)67%extreme
September Weather27°C (81°F)114 mm (4.5 inches)69%very high
October Weather22°C (71°F)91 mm (3.6 inches)73%very high
November Weather16°C (60°F)61 mm (2.4 inches)82%high
December Weather13°C (55°F)83 mm (3.3 inches)87%moderate

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