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 20°C (69°F). Highs can soar to 29°C (85°F), while lows may dip to 12°C (55°F). Typically, the humidity level in Santa Barbara throughout September hovers around 81%.

12°C (55°F)

Minimum temperature

20°C (69°F)

Average temperature

29°C (85°F)

Maximum temperature

81%

Humidity

Precipitation and Sunshine hours

In September, Santa Barbara averages 129 mm (5.1 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 51 minutes each day. Additionally, there is a 27% probability of sunny days during this period.

129 mm (5.1 inches)

Precipitation

17 rainy days

Rainy days

9 hours 51 minutes

Sunshine hours

27%

Chance of sun

UV Index

In September, the UV Index in Santa Barbara reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 7 11 13 13 12 9 5 2 1
Exposure Low Moderate High Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 10 min 15 min 30 min 45 min

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