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September Weather in Trexlertown, United States

Last updated: June 24, 2025

In Trexlertown, United States, the average temperature in September is a pleasant 20°C (69°F). Temperatures can fluctuate, with a minimum of 4°C (40°F) and a maximum reaching up to 34°C (94°F). Expect about 100 mm (3.9 in) of precipitation spread over 9 days, contributing to an average humidity of 66%. Enjoy the diverse climate this month brings!

September Temperature in Trexlertown

In September in Trexlertown, the average temperature is 20°C (69°F). Maximums can reach 34°C (94°F), and minimums can be as low as 4°C (40°F). This makes it a great time to explore Trexlertown, as you'll experience mild weather with the potential for warm days and cooler nights.

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

The chart illustrates September temperature patterns in Trexlertown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trexlertown, September typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec333641526271777569594437
Data source: Temperature data for Trexlertown 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 Trexlertown

In Trexlertown in September, the precipitation amount is 100 mm (3.9 in) spread over 9 days.

September Precipitation Trends in Trexlertown

The chart displays monthly precipitation patterns in Trexlertown, 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 Trexlertown, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6910710210614010213714610010688103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Trexlertown

In Trexlertown in September humidity is 66%. With an average temperature of 20°C (69°F), this humidity feels like a gentle enveloping warmth, making it comfortable for traveling but with a slight stickiness that may encourage you to seek shade or refreshments frequently.

September Average Humidity in Trexlertown

This chart illustrates the average monthly humidity levels in Trexlertown, 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 Trexlertown is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Trexlertown

In Trexlertown in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Trexlertown.

Maximum UV Index Levels in Trexlertown for September

The chart shows the monthly maximum UV Index (UVI) for Trexlertown 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 Trexlertown typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Trexlertown 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 Trexlertown Compares to Other Months

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

This table compares monthly weather conditions in Trexlertown, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)69 mm (2.7 inches)87%moderate
February Weather2°C (36°F)107 mm (4.2 inches)85%moderate
March Weather5°C (42°F)102 mm (4.0 inches)85%high
April Weather11°C (52°F)106 mm (4.2 inches)83%very high
May Weather17°C (63°F)140 mm (5.5 inches)75%very high
June Weather22°C (72°F)102 mm (4.0 inches)73%very high
July Weather25°C (77°F)136 mm (5.4 inches)65%very high
August Weather24°C (75°F)146 mm (5.8 inches)62%very high
September Weather20°C (69°F)100 mm (3.9 inches)66%very high
October Weather15°C (59°F)106 mm (4.2 inches)79%high
November Weather7°C (44°F)88 mm (3.5 inches)87%moderate
December Weather3°C (37°F)103 mm (4.1 inches)85%low

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