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September Weather in Victoria, United States

Last updated: June 24, 2025

In Victoria, United States, the average temperature in September is a pleasant 22°C (72°F). However, temperatures can range from a cool 4°C (40°F) to a sweltering 38°C (100°F). During this month, precipitation typically amounts to 57 mm (2.3 in) over 6 days, with an average humidity level of 73%.

September Temperature in Victoria

In September in Victoria, the average temperature is 22°C (72°F). Maximums can reach 38°C (100°F), and minimums can be as low as 4°C (40°F). This wide range of temperatures makes it essential for travelers to pack accordingly for both warm and cool conditions.

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 22°C (72°F), with highs reaching up to 38°C (100°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec313245536477817772554436
Data source: Temperature data for Victoria 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 Victoria

In Victoria in September, the total precipitation amount is 57 mm (2.3 in), occurring over a span of 6 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 57 mm (2.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2420664413360697457632428
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Victoria

In Victoria in September, humidity is 73%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace that can make outdoor activities feel sticky and heavy, so it's best to stay hydrated and take frequent breaks while exploring.

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.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109743
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)24 mm (0.9 inches)74%moderate
February Weather0°C (32°F)20 mm (0.8 inches)78%moderate
March Weather7°C (45°F)66 mm (2.6 inches)67%high
April Weather12°C (53°F)44 mm (1.7 inches)70%very high
May Weather18°C (64°F)133 mm (5.2 inches)82%very high
June Weather25°C (77°F)60 mm (2.4 inches)81%extreme
July Weather27°C (81°F)69 mm (2.7 inches)80%extreme
August Weather25°C (77°F)74 mm (2.9 inches)80%very high
September Weather22°C (72°F)57 mm (2.3 inches)73%very high
October Weather13°C (56°F)63 mm (2.5 inches)71%high
November Weather7°C (44°F)23 mm (0.9 inches)79%moderate
December Weather2°C (36°F)28 mm (1.1 inches)83%moderate

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