September Weather in Cloverdale, United States

Last updated: June 24, 2025

In Cloverdale, United States, the average temperature in September hovers around 21°C (69°F), with lows dipping to a cool 6°C (43°F) and peaks reaching a blistering 42°C (107°F). Despite the potential for extreme temperatures, the month brings minimal precipitation, totaling just 2 mm (0.1 in) across 0 days. With an average humidity of 68%, it's a month that balances warmth with a touch of moisture.

September Temperature in Cloverdale

In September in Cloverdale, the average temperature is 21°C (69°F). The maximum can reach 42°C (107°F), while the minimum can drop as low as 6°C (43°F). This wide temperature range makes Cloverdale an ideal destination for travelers seeking both warmth and cooler respite during their visit.

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 (69°F), with highs reaching up to 42°C (107°F) and lows dropping to around 6°C (43°F).

Data source: Temperature data for Cloverdale generated using information from the Copernicus Climate Change Service.

September Precipitation in Cloverdale

In Cloverdale in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 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 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Cloverdale

In Cloverdale in September humidity is 68%. With average temperature 21°C (69°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated and take breaks in the shade while exploring the local sights.

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 68%, offering insight into how humid the weather typically is during this month.

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 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 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	161 mm (6.3 inches)	86%	moderate
February Weather	9°C (49°F)	176 mm (6.9 inches)	84%	moderate
March Weather	10°C (51°F)	117 mm (4.6 inches)	83%	high
April Weather	13°C (56°F)	55 mm (2.2 inches)	80%	very high
May Weather	16°C (61°F)	37 mm (1.5 inches)	80%	extreme
June Weather	21°C (69°F)	2 mm (0.1 inches)	76%	extreme
July Weather	23°C (73°F)	0 mm (0.0 inches)	70%	extreme
August Weather	23°C (73°F)	0 mm (0.0 inches)	66%	very high
September Weather	21°C (69°F)	2 mm (0.1 inches)	68%	very high
October Weather	17°C (62°F)	50 mm (2.0 inches)	72%	high
November Weather	11°C (53°F)	71 mm (2.8 inches)	84%	moderate
December Weather	8°C (47°F)	108 mm (4.3 inches)	84%	moderate