nomadseason

September Weather in Preston, United States

Last updated: June 24, 2025

In September, the average temperature in Preston, United States is a pleasant 25°C (78°F). However, temperatures can range from a cool 11°C (51°F) to a scorching 36°C (97°F). Be prepared for some rain, as the area typically receives about 98 mm (3.9 in) of precipitation over 7 days. With an average humidity of 65%, it’s advisable to stay hydrated while enjoying your visit!

September Temperature in Preston

In September in Preston, the average temperature is 25°C (78°F). Maximum temperatures can reach 36°C (97°F), while minimum temperatures can drop as low as 11°C (51°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Preston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Preston, September typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec444657637280848377655449
Data source: Temperature data for Preston 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 Preston

In Preston in September, the precipitation amount is 98 mm (3.9 in) over a span of 7 days.

September Precipitation Trends in Preston

The chart displays monthly precipitation patterns in Preston, 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 Preston, September typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec64931061081351075596981545663
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Preston

In Preston in September, humidity is 65%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping shawl that makes traveling slightly more strenuous, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Preston

This chart illustrates the average monthly humidity levels in Preston, 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 Preston is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Preston

In Preston 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 Preston.

Maximum UV Index Levels in Preston for September

The chart shows the monthly maximum UV Index (UVI) for Preston 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 Preston typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010864
Data source: Preston 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 Preston Compares to Other Months

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

This table compares monthly weather conditions in Preston, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)64 mm (2.5 inches)80%moderate
February Weather8°C (46°F)93 mm (3.7 inches)79%high
March Weather14°C (58°F)106 mm (4.2 inches)78%very high
April Weather17°C (63°F)108 mm (4.3 inches)78%very high
May Weather22°C (73°F)134 mm (5.3 inches)81%extreme
June Weather27°C (80°F)107 mm (4.2 inches)78%extreme
July Weather29°C (84°F)55 mm (2.2 inches)73%extreme
August Weather28°C (83°F)96 mm (3.8 inches)66%very high
September Weather25°C (78°F)98 mm (3.9 inches)65%very high
October Weather19°C (66°F)154 mm (6.1 inches)72%very high
November Weather12°C (54°F)56 mm (2.2 inches)82%high
December Weather9°C (49°F)63 mm (2.5 inches)87%moderate

Compare Preston's Climate with Cities Worldwide