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Setúbal Weather in September
September in Setúbal typically sees daytime highs of 26°C (79°F) and nighttime lows of 17°C (63°F). Expect some rainfall during the month. It falls within the summer season.
Rainfall in Setúbal in September
Historically, the month has about 5 days of rain, averaging 29 mm (1.1 in) in total. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Setúbal in September
The temperature in Setúbal in September is excellent. Daytime highs reach 26°C (79°F), with nights dropping to 17°C (63°F). September is known for being in the summer season. This kind of day-to-night contrast is typical for this time of year. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Setúbal in September
Enjoy a sunny month with about 280 hours of sunshine, the clear skies make Setúbal even more beautiful.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances for Setúbal.
Setúbal Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
26°C (79°F)
Chance of Rain
18%
Precipitation
29 mm (1.1 in)
Rainy days
5 days
Sunshine
280 hours *
Percentage Sunshine
75% *
* Data from: Lisbon, Portugal (30 KM, 18 Miles).
Setúbal Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Setúbal - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Setúbal typically stay consistent throughout September, with daily highs averaging around 26°C (79°F). Nights are pleasant, with lows around 17°C (63°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Setúbal in September
Browse day-by-day weather records for Setúbal spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Setúbal historical weather extremes in September
According to our 49 years of weather records for Setúbal, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Setúbal reached 39°C (102°F) (September 5, 2016).
- Setúbal experienced its chilliest September day on September 26, 1992, reaching only 18°C (64°F).
- Nighttime temperatures dropped to 11°C (52°F) on September 23, 1979, marking the coldest September night on record.
Best Places in Portugal in September
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
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Setúbal in September
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. Pack a light rain jacket or compact umbrella for occasional showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Setúbal in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Setúbal 3-Day Forecast
More climate data for Setúbal
See the full Setúbal climate overview or explore weather in Portugal.
Popular in September
Where to go in September - average daytime high across popular destinations.
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