September Weather in Auburn, United States

Last updated: June 24, 2025

In September, the average temperature in Auburn, United States is a pleasant 19°C (66°F). During this month, temperatures can fluctuate, with a minimum of 2°C (37°F) and a peak of 35°C (95°F). Expect some rain, as 72 mm (2.8 in) of precipitation is typical over about 7 days. The average humidity stands at a comfortable 71%, making for a mild and somewhat humid atmosphere.

September Temperature in Auburn

In September, in Auburn, the average temperature hovers around 19°C (66°F), with maximums peaking at 35°C (95°F) and minimums dropping to a chilly 2°C (37°F). Be prepared for a wide range of temperatures if you plan to travel during this time!

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

The chart illustrates September temperature patterns in Auburn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Auburn, September typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec273036475869737365544031
Data source: Temperature data for Auburn 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 Auburn

In Auburn in September, the total precipitation amount is 72 mm (2.8 in) over the course of 7 days.

September Precipitation Trends in Auburn

The chart displays monthly precipitation patterns in Auburn, 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 Auburn, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec7084821287789135757212599122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Auburn

In Auburn in September humidity is 71%. With an average temperature of 19°C (66°F), this humidity feels like a warm, balmy embrace that enhances the tropical atmosphere, making it a perfect backdrop for leisurely strolls and outdoor adventures, though it may also lead to a slightly sticky feeling as you explore.

September Average Humidity in Auburn

This chart illustrates the average monthly humidity levels in Auburn, 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 Auburn is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Auburn

In Auburn 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 Auburn.

Maximum UV Index Levels in Auburn for September

The chart shows the monthly maximum UV Index (UVI) for Auburn 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 Auburn typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Auburn 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 Auburn Compares to Other Months

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

This table compares monthly weather conditions in Auburn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)70 mm (2.7 inches)86%moderate
February Weather-1°C (30°F)84 mm (3.3 inches)84%moderate
March Weather2°C (36°F)82 mm (3.2 inches)82%moderate
April Weather8°C (47°F)128 mm (5.0 inches)80%very high
May Weather15°C (58°F)77 mm (3.0 inches)72%very high
June Weather20°C (69°F)89 mm (3.5 inches)72%very high
July Weather23°C (74°F)135 mm (5.3 inches)67%very high
August Weather23°C (73°F)75 mm (2.9 inches)66%very high
September Weather19°C (66°F)72 mm (2.8 inches)71%high
October Weather12°C (54°F)125 mm (4.9 inches)78%moderate
November Weather4°C (40°F)99 mm (3.9 inches)84%moderate
December Weather-1°C (31°F)122 mm (4.8 inches)81%low

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