Costa da Caparica Weather in September
September in Costa da Caparica typically sees daytime highs of 24°C (75°F) and nighttime lows of 18°C (64°F). Expect some rainfall during the month. It falls within the summer season.
Rainfall in Costa da Caparica in September
Typically around 6 days of rainfall are expected, averaging 31 mm (1.2 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Costa da Caparica in September
Costa da Caparica has perfect weather in September, with days reaching 24°C (75°F) and nights cooling to 18°C (64°F). Experience the summer season in September. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Costa da Caparica in September
Expect sunny days throughout the month, with an estimated 280 hours of sunshine. This makes it a pleasant time to visit Costa da Caparica.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Costa da Caparica.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Costa da Caparica's climate page.
Costa da Caparica Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
24°C (75°F)
Chance of Rain
19%
Precipitation
31 mm (1.2 in)
Rainy days
6 days
Sunshine
280 hours *
Percentage Sunshine
75% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Costa da Caparica typically stay consistent throughout September, with daily highs averaging around 24°C (75°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 for Costa da Caparica in September
Browse day-by-day weather records for Costa da Caparica spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Costa da Caparica historical weather extremes in September
Based on 49 years of weather observations in Costa da Caparica between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 4, 2006, with a maximum of 39°C (102°F).
- On September 26, 1992, Costa da Caparica saw its coldest September day with temperatures maxing out at 18°C (64°F).
- Costa da Caparica registered its coldest September night on September 23, 1979, with temperatures dropping to 11°C (52°F).
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
What to Wear in Costa da Caparica in September
For Costa da Caparica in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Costa da Caparica in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Costa da Caparica's climate page.
See the full Costa da Caparica climate overview or explore weather in Portugal.
