September Weather in Oakland City, United States

Last updated: June 24, 2025

In September, the average temperature in Oakland City, United States is a comfortable 23°C (73°F). Temperatures can vary significantly, with a minimum of 8°C (47°F) and a maximum reaching up to 35°C (95°F). Expect about 82 mm (3.2 in) of precipitation over the course of 7 days, and enjoy an average humidity of 69%, creating a pleasantly mild atmosphere.

September Temperature in Oakland City

In September in Oakland City, the average temperature is 23°C (73°F), with maximums possibly reaching 35°C (95°F) and minimums dropping as low as 8°C (47°F). It's a great time to enjoy a variety of outdoor activities, so pack accordingly for both the warm days and cooler evenings!

September Weather in Oakland City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Oakland City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakland City, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in Oakland City

In Oakland City in September, the precipitation amount is 82 mm (3.2 in) over the course of 7 days.

September Precipitation Trends in Oakland City

The chart displays monthly precipitation patterns in Oakland City, 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 Oakland City, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 7 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 Oakland City

In Oakland City in September humidity is 69%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially uncomfortable during the peak hours of the day, so travelers should stay hydrated and seek shade when exploring.

September Average Humidity in Oakland City

This chart illustrates the average monthly humidity levels in Oakland City, 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 Oakland City is approximately 69%, 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 Oakland City

In Oakland City 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 Oakland City.

Maximum UV Index Levels in Oakland City for September

The chart shows the monthly maximum UV Index (UVI) for Oakland City 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 Oakland City typically reaches 9, which falls under the very high exposure category.

Data source: Oakland City 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 Oakland City Compares to Other Months

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

This table compares monthly weather conditions in Oakland City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	92 mm (3.6 inches)	87%	moderate
February Weather	4°C (39°F)	122 mm (4.8 inches)	85%	moderate
March Weather	9°C (48°F)	149 mm (5.9 inches)	86%	high
April Weather	14°C (57°F)	122 mm (4.8 inches)	84%	very high
May Weather	20°C (69°F)	139 mm (5.5 inches)	79%	very high
June Weather	25°C (77°F)	128 mm (5.1 inches)	82%	extreme
July Weather	27°C (80°F)	73 mm (2.9 inches)	79%	very high
August Weather	25°C (78°F)	88 mm (3.5 inches)	70%	very high
September Weather	23°C (73°F)	82 mm (3.2 inches)	69%	very high
October Weather	16°C (61°F)	115 mm (4.5 inches)	76%	high
November Weather	7°C (45°F)	96 mm (3.8 inches)	88%	moderate
December Weather	5°C (41°F)	105 mm (4.1 inches)	87%	moderate