September Weather in Dixon, United States

Last updated: June 24, 2025

In September, the average temperature in Dixon, United States hovers around 18°C (65°F). Expect a range from a cool 2°C (35°F) to a warm 33°C (92°F). With precipitation of 26 mm (1.0 in) spread over just 2 days, the air maintains a relative humidity of 70%, creating a comforting environment that blends warmth with refreshing breezes.

September Temperature in Dixon

In September in Dixon, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 2°C (35°F). This diverse climate makes Dixon a great destination for travelers seeking both warmth and cool, refreshing conditions.

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

The chart illustrates September temperature patterns in Dixon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dixon, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Dixon

In Dixon in September, the precipitation amount is 26 mm (1.0 in) over the course of 2 days.

September Precipitation Trends in Dixon

The chart displays monthly precipitation patterns in Dixon, 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 Dixon, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 2 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 Dixon

In Dixon in September humidity is 70%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, though it can leave you feeling slightly sticky if you're on the move for too long.

September Average Humidity in Dixon

This chart illustrates the average monthly humidity levels in Dixon, 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 Dixon is approximately 70%, 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 Dixon

In Dixon in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Dixon.

Maximum UV Index Levels in Dixon for September

The chart shows the monthly maximum UV Index (UVI) for Dixon 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 Dixon typically reaches 11, which falls under the extreme exposure category.

Data source: Dixon 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 Dixon Compares to Other Months

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

This table compares monthly weather conditions in Dixon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	27 mm (1.1 inches)	84%	moderate
February Weather	-1°C (31°F)	26 mm (1.0 inches)	84%	very high
March Weather	5°C (41°F)	27 mm (1.1 inches)	74%	very high
April Weather	10°C (51°F)	19 mm (0.7 inches)	68%	extreme
May Weather	15°C (60°F)	20 mm (0.8 inches)	62%	extreme
June Weather	21°C (70°F)	13 mm (0.5 inches)	55%	extreme
July Weather	22°C (73°F)	25 mm (1.0 inches)	54%	extreme
August Weather	21°C (71°F)	20 mm (0.8 inches)	61%	extreme
September Weather	18°C (65°F)	26 mm (1.0 inches)	70%	extreme
October Weather	11°C (52°F)	27 mm (1.1 inches)	78%	very high
November Weather	4°C (40°F)	24 mm (0.9 inches)	81%	high
December Weather	-1°C (31°F)	21 mm (0.8 inches)	85%	moderate