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September Weather in Bessemer, United States

Last updated: June 24, 2025

In September, the average temperature in Bessemer, United States hovers around 15°C (59°F), with a notable range between a chilly 1°C (33°F) and a warm 31°C (89°F). Expect about 100 mm (3.9 in) of precipitation spread over 14 days, contributing to an average humidity of 73%. Be prepared for varying weather conditions as you enjoy your time in this vibrant locale!

September Temperature in Bessemer

In September in Bessemer, the average temperature is 15°C (59°F). Maximums can reach 31°C (89°F) and minimums can be as low as 1°C (33°F). This makes it a great time for travelers to enjoy a diverse range of outdoor activities, from warm sunny days to cooler evenings.

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

The chart illustrates September temperature patterns in Bessemer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bessemer, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec151527375465696659453021
Data source: Temperature data for Bessemer 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 Bessemer

In Bessemer in September, the total precipitation amount is 100 mm (3.9 in) spread over 14 days.

September Precipitation Trends in Bessemer

The chart displays monthly precipitation patterns in Bessemer, 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 Bessemer, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4256559288121951251001206779
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bessemer

In Bessemer in September humidity is 73%. With an average temperature of 15°C (59°F), this humidity feels like a mild discomfort, making sightseeing a bit sticky and requiring travelers to stay hydrated and take breaks in the shade.

September Average Humidity in Bessemer

This chart illustrates the average monthly humidity levels in Bessemer, 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 Bessemer is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%89%85%76%71%70%71%73%82%88%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bessemer

In Bessemer in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Bessemer.

Maximum UV Index Levels in Bessemer for September

The chart shows the monthly maximum UV Index (UVI) for Bessemer 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 Bessemer typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: Bessemer 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 Bessemer Compares to Other Months

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

This table compares monthly weather conditions in Bessemer, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)42 mm (1.7 inches)93%low
February Weather-10°C (15°F)56 mm (2.2 inches)93%moderate
March Weather-3°C (28°F)55 mm (2.2 inches)89%moderate
April Weather3°C (38°F)92 mm (3.6 inches)85%high
May Weather12°C (54°F)88 mm (3.5 inches)76%very high
June Weather18°C (65°F)121 mm (4.7 inches)71%very high
July Weather21°C (69°F)95 mm (3.7 inches)70%very high
August Weather19°C (66°F)125 mm (4.9 inches)71%very high
September Weather15°C (59°F)100 mm (3.9 inches)73%high
October Weather7°C (45°F)120 mm (4.7 inches)81%moderate
November Weather-1°C (30°F)66 mm (2.6 inches)87%moderate
December Weather-6°C (21°F)79 mm (3.1 inches)91%low

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