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September Weather in Selby, United States

Last updated: June 24, 2025

In Selby, United States, the average temperature in September is a comfortable 17°C (63°F). Expect a range where the minimum can drop to 2°C (35°F) and the maximum soars to 35°C (95°F). During this month, you can anticipate about 67 mm (2.6 in) of precipitation spread over 6 days, contributing to an average humidity level of 73%. Enjoy the mix of warmth and refreshing rainfall!

September Temperature in Selby

In September, in Selby, the average temperature is 17°C (63°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 2°C (35°F). Be prepared for varying weather conditions to make the most of your travels.

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

The chart illustrates September temperature patterns in Selby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Selby, September typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec161431415670757163453323
Data source: Temperature data for Selby 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 Selby

In Selby in September, the precipitation amount is 67 mm (2.6 in) over the course of 6 days.

September Precipitation Trends in Selby

The chart displays monthly precipitation patterns in Selby, 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 Selby, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec141828455556729367621426
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Selby

In Selby in September humidity is 73%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making it ideal for leisurely strolling through vibrant markets or exploring outdoor attractions, though travelers may want to stay hydrated and take breaks in shaded areas to fully enjoy the atmosphere.

September Average Humidity in Selby

This chart illustrates the average monthly humidity levels in Selby, 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 Selby is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%72%73%75%82%83%82%73%71%78%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Selby

In Selby 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 Selby.

Maximum UV Index Levels in Selby for September

The chart shows the monthly maximum UV Index (UVI) for Selby 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 Selby typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2557910998532
Data source: Selby 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 Selby Compares to Other Months

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

This table compares monthly weather conditions in Selby, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)14 mm (0.5 inches)78%low
February Weather-10°C (14°F)18 mm (0.7 inches)81%moderate
March Weather-1°C (31°F)28 mm (1.1 inches)71%moderate
April Weather5°C (41°F)45 mm (1.8 inches)73%high
May Weather14°C (57°F)55 mm (2.2 inches)75%very high
June Weather21°C (71°F)56 mm (2.2 inches)82%very high
July Weather24°C (75°F)72 mm (2.8 inches)83%very high
August Weather22°C (72°F)93 mm (3.7 inches)82%very high
September Weather17°C (63°F)67 mm (2.6 inches)73%very high
October Weather7°C (45°F)62 mm (2.4 inches)71%moderate
November Weather0°C (33°F)14 mm (0.5 inches)78%moderate
December Weather-5°C (24°F)26 mm (1.0 inches)76%low

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