September Weather in Trevi nel Lazio

Last updated: March 2, 2024

The weather in Trevi nel Lazio, Italy, during September is characterized by an average temperature of 18°C (65°F). Highs can soar to 29°C (84°F), while lows may dip to 7°C (45°F). Typically, the humidity level in Trevi nel Lazio throughout September hovers around 65%.

7°C (45°F)

Minimum temperature

18°C (65°F)

Average temperature

29°C (84°F)

Maximum temperature

65%

Humidity

Precipitation and Sunshine hours

In September, Trevi nel Lazio averages 123 mm (4.8 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 25 minutes of daylight, with the sun shining for approximately 11 hours 15 minutes each day. Additionally, there is a 47% probability of sunny days during this period.

123 mm (4.8 inches)

Precipitation

11 rainy days

Rainy days

11 hours 15 minutes

Sunshine hours

47%

Chance of sun

UV Index

In September, the UV Index in Trevi nel Lazio 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 1 1 2 4 6 7 8 7 6 4 2 1 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 Trevi nel Lazio's Climate with Cities Worldwide