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September Weather in Anderson, United States

Last updated: June 24, 2025

In Anderson, United States, the average temperature in September hovers around 23°C (74°F), with a minimum of 8°C (46°F) and a maximum of 35°C (95°F). Expect about 69 mm (2.7 in) of precipitation spread over 6 days, while the average humidity sits at a comfortable 64%.

September Temperature in Anderson

In September in Anderson, the average temperature is 23°C (74°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 8°C (46°F). This makes Anderson an ideal destination for travelers seeking a pleasant and varied climate.

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

The chart illustrates September temperature patterns in Anderson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Anderson, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec373951576777807874604843
Data source: Temperature data for Anderson 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 Anderson

In Anderson in September, the precipitation amount is 69 mm (2.7 in) over a period of 6 days.

September Precipitation Trends in Anderson

The chart displays monthly precipitation patterns in Anderson, 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 Anderson, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec85781471511739395113691486153
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Anderson

In Anderson in September, humidity is 64%. With an average temperature of 23°C (74°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration enjoyable yet slightly sticky, so it's best to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Anderson

This chart illustrates the average monthly humidity levels in Anderson, 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 Anderson is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Anderson

In Anderson in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Anderson.

Maximum UV Index Levels in Anderson for September

The chart shows the monthly maximum UV Index (UVI) for Anderson 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 Anderson typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Anderson 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 Anderson Compares to Other Months

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

This table compares monthly weather conditions in Anderson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)85 mm (3.4 inches)81%moderate
February Weather4°C (40°F)78 mm (3.1 inches)78%high
March Weather11°C (51°F)146 mm (5.8 inches)76%high
April Weather14°C (57°F)151 mm (6.0 inches)78%very high
May Weather20°C (67°F)173 mm (6.8 inches)83%very high
June Weather25°C (77°F)93 mm (3.6 inches)83%extreme
July Weather27°C (80°F)95 mm (3.7 inches)78%extreme
August Weather25°C (78°F)113 mm (4.5 inches)68%very high
September Weather23°C (74°F)69 mm (2.7 inches)64%very high
October Weather16°C (60°F)148 mm (5.8 inches)70%high
November Weather9°C (48°F)61 mm (2.4 inches)83%moderate
December Weather6°C (43°F)53 mm (2.1 inches)87%moderate

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