September Weather in Ischia

Last updated: March 2, 2024

The weather in Ischia, Italy, during September is characterized by an average temperature of 24°C (75°F). Highs can soar to 27°C (81°F), while lows may dip to 18°C (64°F). Typically, the humidity level in Ischia throughout September hovers around 65%.

18°C (64°F)

Minimum temperature

24°C (75°F)

Average temperature

27°C (81°F)

Maximum temperature

65%

Humidity

Precipitation and Sunshine hours

In September, Ischia averages 87 mm (3.4 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 12 hours 25 minutes of daylight, with the sun shining for approximately 11 hours 14 minutes each day. Additionally, there is a 57% probability of sunny days during this period.

87 mm (3.4 inches)

Precipitation

8 rainy days

Rainy days

11 hours 14 minutes

Sunshine hours

57%

Chance of sun

UV Index

In September, the UV Index in Ischia 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 5 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 Ischia's Climate with Cities Worldwide