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Alcobaça in September sees high daytime temperatures of 27°C (81°F) and nighttime lows of 22°C (72°F). Rainfall is fairly high this month at around 61 mm (2.4 in), so pack a rain jacket to stay dry.
If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Alcobaça.
Pick a month to see the average temperature, rainfall and sunshine in Alcobaça - and find the best time to visit.
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 23°C (73°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Alcobaça climate overview or explore weather in Brazil.
Where to go in September - average daytime high across popular destinations.
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