Weather in Catania in September 2025
Average weather
Average temperature in Catania in September
Going from a maximum of +36°C during the day to a minimum of +18°C during the night, the temperature in September averages around +30°C.
The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +29°C to +27°C.
Is Catania warm or cold in September?
Catania is typically warm in September.
Maximum temperatures go down compared to the previous month from +31°C to +28°C. The minimum temperature also goes down from +22°C to +19°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Catania, here is the comparison with other months:
Water temperature in Catania in September
Water in Catania in September is Warm. It varies from +23°C to +28°C, with an average of +26°C. This is almost similar to the air temperature, which averages +28°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Catania in September?
Climate in Catania in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +28°C | +24°C | ||||
| Min. temperature | ||||||
| +16°C | +9°C | +5°C | ||||
| Max. temperature | ||||||
| +43°C | +40°C | +36°C | ||||
| Rainfall | ||||||
| 11 mm | 44 mm | 57 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +26°C | +26°C | +23°C | ||||
| Humidity | ||||||
| 65% | 70% | 75% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 23 | 15 | 12 | ||||
| Cloudy days | ||||||
| 2 | 4 | 6 | ||||
| Rainy days | ||||||
| 3 | 6 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as great as in August. It’s getting colder in September. From +31°C in the day, the average maximum temperature lowers to +28°C. Prepare for more rain. Average rainfall goes from 11 mm to 44 mm. Humidity rises from 65% to 70%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 23 sunny days in August to 15 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Catania is gradually decreasing during September, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Catania?
Climate Change over Years
The climate in Catania in September has not changed much over the last 43 years.
The average temperature was the lowest in 2010 (+21°C) and the highest in 1990 (+24°C). The driest year was 1981 with only 132 mm of rainfall, and the wettest year was 2021 with 1675 mm.
FAQ
Is September a good time to visit Catania?
Can you sunbathe in Catania in September?
Can you swim in Catania in September?
Is Catania rainy in September?
Is it sunny in Catania in September?
Other cities in Italy
Monthly weather in Catania
Source of the data
For this page, we’ve looked at the typical weather in Catania, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.