September Weather in Sao Mateus

Last updated: March 2, 2024

The weather in Sao Mateus, Portugal, during September is characterized by an average temperature of 22°C (71°F). Highs can soar to 24°C (75°F), while lows may dip to 19°C (67°F). Typically, the humidity level in Sao Mateus throughout September hovers around 82%.

19°C (67°F)

Minimum temperature

22°C (71°F)

Average temperature

24°C (75°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In September, Sao Mateus averages 45 mm (1.8 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 23 minutes of daylight, with the sun shining for approximately 10 hours 34 minutes each day. Additionally, there is a 40% probability of sunny days during this period.

45 mm (1.8 inches)

Precipitation

10 rainy days

Rainy days

10 hours 34 minutes

Sunshine hours

40%

Chance of sun

UV Index

In September, the UV Index in Sao Mateus reaches a maximum of 9, 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 3 5 7 8 8 7 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 Sao Mateus's Climate with Cities Worldwide