September Weather in Santa Barbara

Last updated: March 2, 2024

The weather in Santa Barbara, Mexico, during September is characterized by an average temperature of 17°C (63°F). Highs can soar to 26°C (78°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Santa Barbara throughout September hovers around 81%.

9°C (49°F)

Minimum temperature

17°C (63°F)

Average temperature

26°C (78°F)

Maximum temperature

81%

Humidity

Precipitation and Sunshine hours

In September, Santa Barbara averages 185 mm (7.3 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 9 hours 43 minutes each day. Additionally, there is a 19% probability of sunny days during this period.

185 mm (7.3 inches)

Precipitation

17 rainy days

Rainy days

9 hours 43 minutes

Sunshine hours

19%

Chance of sun

UV Index

In September, the UV Index in Santa Barbara reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 1 2 4 8 11 13 14 12 9 5 2 1
Exposure Low Moderate VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 30 min 45 min

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