Sicily weather in September
September is a fair month to visit Sicily: highs of 27°C (80°F) and about 61 mm (2.4 in) of rain on average. Nights average 19°C (67°F) and cloud cover 45% (NASA POWER, 2001–2025 averages). It is the 6th driest month of the year and the 4th warmest. Compared with August, it is cooler and wetter; October brings highs of 23°C (73°F) and 91 mm (3.6 in) of rain.
Figures are long-term averages for Palermo, the largest city in Sicily. See below for other places.
Is September a good time to visit Sicily?
fair month Weather score 81/100.
September is a fair month in Sicily. The weather is usually best in May–Aug.
Does it rain a lot in Sicily in September?
Some rain is normal: about 61 mm (2.4 in) falls in an average September. It is the 6th driest month of the year.
How warm is Sicily in September?
Days average 27°C (80°F) and nights 19°C (67°F).
Sicily weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 13°C (55°F) | 8°C (46°F) | 97 mm | 69% | least pleasant |
| February | 13°C (55°F) | 7°C (45°F) | 86 mm | 67% | least pleasant |
| March | 15°C (60°F) | 9°C (47°F) | 74 mm | 59% | least pleasant |
| April | 18°C (65°F) | 11°C (51°F) | 56 mm | 53% | fair |
| May | 22°C (72°F) | 14°C (57°F) | 27 mm | 44% | best |
| June | 27°C (81°F) | 18°C (65°F) | 18 mm | 29% | best |
| July | 31°C (87°F) | 21°C (70°F) | 7 mm | 16% | best |
| August | 31°C (87°F) | 22°C (71°F) | 13 mm | 20% | best |
| September | 27°C (80°F) | 19°C (67°F) | 61 mm | 45% | fair |
| October | 23°C (73°F) | 16°C (61°F) | 91 mm | 51% | fair |
| November | 18°C (65°F) | 13°C (55°F) | 87 mm | 62% | fair |
| December | 14°C (58°F) | 9°C (49°F) | 95 mm | 69% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Sicily in September
Weather can differ a lot within Sicily: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Palermo | 27°C (80°F) | 19°C (67°F) | 61 mm | fair |
| Catania | 28°C (83°F) | 18°C (64°F) | 53 mm | best |
| Messina | 26°C (79°F) | 21°C (71°F) | 64 mm | fair |
| Marsala | 26°C (78°F) | 22°C (72°F) | 61 mm | fair |
| Ragusa | 29°C (83°F) | 19°C (65°F) | 54 mm | best |
| Trapani | 26°C (78°F) | 22°C (72°F) | 61 mm | fair |
| Caltanissetta | 27°C (81°F) | 17°C (62°F) | 53 mm | best |
| Modica | 29°C (83°F) | 19°C (65°F) | 54 mm | best |
| Bagheria | 27°C (80°F) | 19°C (67°F) | 64 mm | fair |