7-Night Cruise on Brilliance Of The SeasGreek Isles & Italy Cruise - Weather

Departing Civitavecchia, Italy on September 28, 2026, the Royal Caribbean Cruises ship Brilliance Of The Seas runs this 7-night Greek Isles & Italy Cruise sailing. It's a classic Mediterranean cruise. Travelers sailing in September can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Civitavecchia, Italy, Naples, Italy, Messina, Sicily, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Monday, Sep 28, 2026 — Civitavecchia, Italy

   Civitavecchia, Italy is a scheduled port of call on day 1 of the 7-night Greek Isles & Italy Cruise cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 72°F.

2. Day 2 — Tuesday, Sep 29, 2026 — Naples, Italy

   Naples, Italy is a scheduled port of call on day 2 of the 7-night Greek Isles & Italy Cruise cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 73°F.

3. Day 3 — Wednesday, Sep 30, 2026 — Messina, Sicily

   Messina, Sicily is a scheduled port of call on day 3 of the 7-night Greek Isles & Italy Cruise cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 76°F.

4. Day 4 — Friday, Oct 2, 2026 — Santorini, Greece

   Santorini, Greece is a scheduled port of call on day 4 of the 7-night Greek Isles & Italy Cruise cruise on Brilliance Of The Seas. Expected weather: clear with highs near 73°F.

5. Day 5 — Saturday, Oct 3, 2026 — Kusadasi, Turkey

   Kusadasi, Turkey is a scheduled port of call on day 5 of the 7-night Greek Isles & Italy Cruise cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 81°F.

6. Day 6 — Sunday, Oct 4, 2026 — Mykonos, Greece

   Mykonos, Greece is a scheduled port of call on day 6 of the 7-night Greek Isles & Italy Cruise cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 71°F.

7. Day 7 — Monday, Oct 5, 2026 — Piraeus, Greece

   Piraeus, Greece is a scheduled port of call on day 7 of the 7-night Greek Isles & Italy Cruise cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 81°F.