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September in Luz brings high temperatures, with daytime highs of 24°C (75°F) and nights around 18°C (64°F). The excellent weather makes it a solid choice for a visit.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
Pick a month to see the average temperature, rainfall and sunshine in Luz - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Luz typically stay consistent throughout September, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows around 18°C (64°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Luz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Luz from 1976 through 2025.
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal 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).
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Luz climate overview or explore weather in Portugal.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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