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Ericeira Weather in September
September is one of the excellent months to visit Ericeira, with daytime temperatures of 22°C (72°F) and lows of 18°C (64°F) at night. Some rainfall is typical for this time of year.
Rainfall in Ericeira in September
Historically, the month has about 6 days of rain, averaging 32 mm (1.3 in) in total. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Ericeira in September
Weather in Ericeira is at its excellent in September. Highs reach 22°C (72°F), while nights settle around 18°C (64°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Ericeira in September
Enjoy a sunny month with about 278 hours of sunshine, the clear skies make Ericeira even more beautiful.If your ideal day consists of dry skies and pleasant temperatures, June, July, August, September and October typically offer the best circumstances for Ericeira.
Ericeira Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
22°C (72°F)
Chance of Rain
21%
Precipitation
32 mm (1.3 in)
Rainy days
6 days
Humidity
75% *
Sunshine
278 hours *
Percentage Sunshine
75% *
* Data from: Cascais, Portugal (31 KM, 19 Miles).
Ericeira Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ericeira - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ericeira typically stay consistent throughout September, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 18°C (64°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 Ericeira in September
Browse day-by-day weather records for Ericeira spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ericeira historical weather extremes in September
Based on 50 years of weather observations in Ericeira between 1976 and 2026, these are the recorded extremes.
- The hottest September day on record in Ericeira reached 38°C (100°F) (September 4, 2006).
- The coldest September day was on September 26, 1992, with a maximum of 18°C (64°F).
- The coldest night in September in Ericeira was on September 28, 2007, with a minimum of 10°C (50°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
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 Ericeira in September
For Ericeira 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Ericeira in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
Ericeira 3-Day Forecast
More climate data for Ericeira
Temperature Rainfall Sunshine Humidity
See the full Ericeira climate overview or explore weather in Portugal.
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