What is the weather like in Cascais vs Lisbon in September?

In September, Cascais averages 25°C high / 18°C low with about 24 mm of rain; Lisbon averages 27°C high / 18°C low with about 24 mm.

Cascais vs Lisbon in September

Cascais and Lisbon are nearly tied in September — 87 vs 89 on SeasonMap's comfort score. Cascais is warm, dry, clean air; Lisbon is warm, dry, clean air.

Cascais vs Lisbon — September climate, side by side

	🇵🇹 Cascais	🇵🇹 Lisbon
Comfort score	87/100 (A)	89/100 (A)
Feels-like high	26°C	27°C
Avg high / low	25° / 18°	27° / 18°
Rainfall	24 mm	24 mm
Rainy days	3	3
Humidity	76%	73%
Air quality (AQI)	43	38

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Cascais 🇵🇹 Portugalwarm, dry, clean air · best July87
Lisbon 🇵🇹 Portugalwarm, dry, clean air · best May89

Cascais vs Lisbon in September — FAQ

Is September better in Cascais or Lisbon?: Cascais and Lisbon are nearly tied in September — 87 vs 89 on SeasonMap's comfort score. Cascais is warm, dry, clean air; Lisbon is warm, dry, clean air.
What is the weather like in Cascais vs Lisbon in September?: In September, Cascais averages 25°C high / 18°C low with about 24 mm of rain; Lisbon averages 27°C high / 18°C low with about 24 mm.