September Weather in Victoria, United States

Last updated: June 24, 2025

In September, the average temperature in Victoria, United States is a warm 27°C (82°F). You can expect a minimum of 13°C (56°F) and a maximum of 36°C (98°F), making for some pleasantly warm days. However, be prepared for 137 mm (5.4 in) of precipitation spread over about 14 days, alongside an average humidity of 73%. So, don't forget your umbrella and stay hydrated!

September Temperature in Victoria

In September in Victoria, the average temperature is 27°C (82°F). The maximum can reach 36°C (98°F), while the minimum can drop as low as 13°C (56°F). This makes it a perfect time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Victoria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Victoria, September typically has an average temperature of 27°C (82°F), with highs reaching up to 36°C (98°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Victoria

In Victoria in September, the precipitation amount is 137 mm (5.4 in) spread over 14 days.

September Precipitation Trends in Victoria

The chart displays monthly precipitation patterns in Victoria, 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 Victoria, September typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Victoria

In Victoria in September, humidity is 73%. With an average temperature of 27°C (82°F), this humidity feels like you're walking through a warm, thick blanket, making travel feel sticky and requiring frequent breaks to stay refreshed.

September Average Humidity in Victoria

This chart illustrates the average monthly humidity levels in Victoria, 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 Victoria is approximately 73%, 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 Victoria

In Victoria 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 Victoria.

Maximum UV Index Levels in Victoria for September

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

Data source: Victoria 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 Victoria Compares to Other Months

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

This table compares monthly weather conditions in Victoria, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	52 mm (2.1 inches)	78%	moderate
February Weather	15°C (59°F)	55 mm (2.2 inches)	81%	very high
March Weather	20°C (67°F)	59 mm (2.3 inches)	76%	very high
April Weather	22°C (72°F)	69 mm (2.7 inches)	79%	extreme
May Weather	26°C (79°F)	118 mm (4.7 inches)	79%	extreme
June Weather	28°C (83°F)	132 mm (5.2 inches)	74%	extreme
July Weather	29°C (85°F)	99 mm (3.9 inches)	71%	extreme
August Weather	30°C (86°F)	94 mm (3.7 inches)	68%	extreme
September Weather	27°C (82°F)	137 mm (5.4 inches)	73%	extreme
October Weather	23°C (74°F)	76 mm (3.0 inches)	75%	very high
November Weather	18°C (64°F)	69 mm (2.7 inches)	78%	high
December Weather	15°C (60°F)	68 mm (2.7 inches)	84%	moderate