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September in Peniche brings high temperatures, with highs of 22°C (72°F) and nights dropping to 18°C (64°F). With excellent weather conditions overall, it's a good time to visit.
If your ideal day consists of dry skies and pleasant temperatures, June, July, August, September and October typically offer the best circumstances for Peniche.
Pick a month to see the average temperature, rainfall and sunshine in Peniche - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Peniche typically stay consistent throughout September, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 17°C (63°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 Peniche spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 49 years of weather observations in Peniche between 1976 and 2025, these are the recorded extremes.
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).
For Peniche 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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Peniche climate overview or explore weather in Portugal.
Where to go in September - average daytime high across popular destinations.
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