September · Portugal
Best time to visit Cascais in SeptemberWeather, crowds & prices
September score
9.2/10
Ranked #5 of 12 months
- Avg temp
- 26°C
- Rainfall
- 30 mm
- Humidity
- 60%
- Sunny days
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Cascais scores 9.2/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 26°C, 30 mm of rain, and roughly 23 sunny days this month.
Cascais pairs a walkable former fishing town with sheltered beaches, an Atlantic promenade, and the wilder coast toward Guincho.
Frequently asked
- What is the weather like in Cascais in September?
- In September, Cascais averages 26°C, 30 mm of rain, and about 23 sunny days. Its climate-comfort score is 9.2/10.
- Is September a good time to visit Cascais?
- September earns a 9.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cascais in September?
- Expect about 30 mm of rain in September. Average humidity is 60% and there are about 23 sunny days.
Curated in Cascais
Tickets & experiences
Things to do in Cascais
Cascais, Portugal. Live activities and tours from GetYourGuide, matched to this destination.