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September Weather in Cloverdale, United States

Last updated: June 24, 2025

In September, the average temperature in Cloverdale, United States hovers around 21°C (70°F). Expect a minimum of 6°C (43°F) and a maximum of 34°C (93°F), offering a wide range for outdoor activities. With an average precipitation of 73 mm (2.9 in) spread across 7 days, you might want to keep an umbrella handy. The atmosphere is generally warm and inviting, with an average humidity of 69%.

September Temperature in Cloverdale

In September in Cloverdale, the average temperature is 21°C (70°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 6°C (43°F). This makes it a great time to explore the area, as you can enjoy warm days and cool evenings.

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

The chart illustrates September temperature patterns in Cloverdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cloverdale, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec313443526574777470584237
Data source: Temperature data for Cloverdale 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 Cloverdale

In Cloverdale in September, the precipitation amount is 73 mm (2.9 in) during a span of 7 days.

September Precipitation Trends in Cloverdale

The chart displays monthly precipitation patterns in Cloverdale, 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 Cloverdale, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec8798131103134122110112731089792
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cloverdale

In Cloverdale in September humidity is 69%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring occasional breaks for hydration and shade during your travels.

September Average Humidity in Cloverdale

This chart illustrates the average monthly humidity levels in Cloverdale, 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 Cloverdale is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cloverdale

In Cloverdale in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Cloverdale.

Maximum UV Index Levels in Cloverdale for September

The chart shows the monthly maximum UV Index (UVI) for Cloverdale 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 Cloverdale typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Cloverdale 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 Cloverdale Compares to Other Months

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

This table compares monthly weather conditions in Cloverdale, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)87 mm (3.4 inches)87%moderate
February Weather1°C (34°F)98 mm (3.8 inches)85%moderate
March Weather6°C (44°F)131 mm (5.2 inches)86%high
April Weather11°C (53°F)103 mm (4.0 inches)84%very high
May Weather18°C (65°F)134 mm (5.3 inches)79%very high
June Weather23°C (74°F)122 mm (4.8 inches)82%extreme
July Weather25°C (77°F)110 mm (4.3 inches)79%very high
August Weather23°C (74°F)112 mm (4.4 inches)70%very high
September Weather21°C (70°F)73 mm (2.9 inches)69%very high
October Weather14°C (58°F)108 mm (4.3 inches)76%high
November Weather5°C (42°F)97 mm (3.8 inches)88%moderate
December Weather3°C (37°F)92 mm (3.6 inches)87%moderate

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