Typical Weather in Porto, Portugal in September
75° F Avg High
58° F Avg Low
5 Rainy Days
☀️ Temperature Summary
Compared to other months, Porto experiences cooler conditions in September, with daytime highs averaging 75°F. You can expect overnight lows near 58°F most days.
September is a great time to visit Porto, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In September you can expect close to a 18% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 3 inches. If you're looking to travel when it's drier, you might consider visiting in August instead, when typical rainfall chances are closer to 7%.
Rainfall Throughout the Year
Planning a trip to Porto? Try our free trip weather planner