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September Weather in Carson, United States

Last updated: June 24, 2025

In Carson, United States, the average temperature in September hovers around 16°C (61°F). However, be prepared for a range of conditions, as temperatures can dip as low as -2°C (29°F) or soar to a sizzling 35°C (96°F). During this month, you can expect approximately 48 mm (1.9 in) of precipitation over 6 days, with an average humidity level of 69%.

September Temperature in Carson

In September in Carson, the average temperature is 16°C (61°F). Maximums can reach 35°C (96°F), and minimums can be as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures, making layers essential for comfort during their visit.

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

The chart illustrates September temperature patterns in Carson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carson, September typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (96°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec171531405569747061443223
Data source: Temperature data for Carson 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 Carson

In Carson in September, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

September Precipitation Trends in Carson

The chart displays monthly precipitation patterns in Carson, 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 Carson, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec121725296461626648581521
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Carson

In Carson in September, humidity is 69%. With an average temperature of 16°C (61°F), this humidity feels like a mild, humid embrace, making travel enjoyable yet requiring a light layer for comfort while exploring.

September Average Humidity in Carson

This chart illustrates the average monthly humidity levels in Carson, 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 Carson is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%88%78%75%76%79%78%78%69%71%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Carson

In Carson 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 Carson.

Maximum UV Index Levels in Carson for September

The chart shows the monthly maximum UV Index (UVI) for Carson 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 Carson typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25598101097532
Data source: Carson 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 Carson Compares to Other Months

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

This table compares monthly weather conditions in Carson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)12 mm (0.5 inches)84%low
February Weather-10°C (15°F)17 mm (0.7 inches)88%moderate
March Weather-1°C (31°F)25 mm (1.0 inches)78%moderate
April Weather5°C (41°F)28 mm (1.1 inches)75%very high
May Weather13°C (56°F)64 mm (2.5 inches)76%very high
June Weather20°C (69°F)61 mm (2.4 inches)79%very high
July Weather23°C (74°F)62 mm (2.4 inches)78%very high
August Weather21°C (70°F)66 mm (2.6 inches)78%very high
September Weather16°C (61°F)48 mm (1.9 inches)69%high
October Weather6°C (44°F)58 mm (2.3 inches)71%moderate
November Weather0°C (32°F)15 mm (0.6 inches)82%moderate
December Weather-5°C (23°F)21 mm (0.8 inches)84%low

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