September Weather in San Jose

Last updated: March 2, 2024

The weather in San Jose, Spain, during September is characterized by an average temperature of 24°C (76°F). Highs can soar to 27°C (81°F), while lows may dip to 20°C (69°F). Typically, the humidity level in San Jose throughout September hovers around 70%.

20°C (69°F)

Minimum temperature

24°C (76°F)

Average temperature

27°C (81°F)

Maximum temperature

70%

Humidity

Precipitation and Sunshine hours

In September, San Jose averages 26 mm (1.0 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 11 hours 22 minutes each day. Additionally, there is a 65% probability of sunny days during this period.

26 mm (1.0 inches)

Precipitation

2 rainy days

Rainy days

11 hours 22 minutes

Sunshine hours

65%

Chance of sun

UV Index

In September, the UV Index in San Jose reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 1 2 4 6 8 8 8 6 4 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare San Jose's Climate with Cities Worldwide