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September Weather in Chowchilla, United States

Last updated: June 24, 2025

In Chowchilla, United States, the average temperature in September is a warm 26°C (78°F). Expect a minimum of 11°C (52°F) and a scorching maximum of 44°C (111°F). With 0 mm (0.0 in) of precipitation over 0 days, this month boasts an average humidity of 55%, making it a perfect time to enjoy the outdoors!

September Temperature in Chowchilla

In September in Chowchilla, the average temperature is 26°C (78°F). Maximum temperatures can reach up to 44°C (111°F), while minimums can drop to as low as 11°C (52°F). It's advisable to pack for a range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Chowchilla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chowchilla, September typically has an average temperature of 26°C (78°F), with highs reaching up to 44°C (111°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec505357657281868478675649
Data source: Temperature data for Chowchilla 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 Chowchilla

In Chowchilla in September, the precipitation amount is 0 mm (0.0 in) during 0 days.

September Precipitation Trends in Chowchilla

The chart displays monthly precipitation patterns in Chowchilla, 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 Chowchilla, September typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec87668027191000133068
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chowchilla

In Chowchilla in September, humidity is 55%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as you'll likely want to carry a water bottle and take occasional breaks in the shade.

September Average Humidity in Chowchilla

This chart illustrates the average monthly humidity levels in Chowchilla, 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 Chowchilla is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chowchilla

In Chowchilla 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 Chowchilla.

Maximum UV Index Levels in Chowchilla for September

The chart shows the monthly maximum UV Index (UVI) for Chowchilla 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 Chowchilla typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Chowchilla 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 Chowchilla Compares to Other Months

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

This table compares monthly weather conditions in Chowchilla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)87 mm (3.4 inches)82%moderate
February Weather11°C (53°F)66 mm (2.6 inches)84%moderate
March Weather14°C (57°F)80 mm (3.2 inches)82%very high
April Weather18°C (65°F)27 mm (1.1 inches)78%very high
May Weather22°C (72°F)19 mm (0.7 inches)71%very high
June Weather27°C (81°F)1 mm (0.0 inches)64%extreme
July Weather30°C (86°F)0 mm (0.0 inches)58%extreme
August Weather29°C (85°F)0 mm (0.0 inches)54%very high
September Weather26°C (78°F)0 mm (0.0 inches)55%very high
October Weather19°C (67°F)13 mm (0.5 inches)62%high
November Weather13°C (57°F)30 mm (1.2 inches)78%moderate
December Weather10°C (50°F)67 mm (2.7 inches)80%moderate

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