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

In September, Lisbon averages 27°C high / 18°C low with about 24 mm of rain; Sintra averages 23°C high / 17°C low with about 24 mm.

Lisbon vs Sintra in September

Lisbon and Sintra are nearly tied in September — 89 vs 91 on SeasonMap's comfort score. Lisbon is warm, dry, clean air; Sintra is warm, dry, clean air.

Lisbon vs Sintra — September climate, side by side

	🇵🇹 Lisbon	🇵🇹 Sintra
Comfort score	89/100 (A)	91/100 (S)
Feels-like high	27°C	24°C
Avg high / low	27° / 18°	23° / 17°
Rainfall	24 mm	24 mm
Rainy days	3	3
Humidity	73%	80%
Air quality (AQI)	38	38

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

Month by month

Lisbon 🇵🇹 Portugalwarm, dry, clean air · best May89
Sintra 🇵🇹 Portugalwarm, dry, clean air · best August91

Lisbon vs Sintra in September — FAQ

Is September better in Lisbon or Sintra?: Lisbon and Sintra are nearly tied in September — 89 vs 91 on SeasonMap's comfort score. Lisbon is warm, dry, clean air; Sintra is warm, dry, clean air.
What is the weather like in Lisbon vs Sintra in September?: In September, Lisbon averages 27°C high / 18°C low with about 24 mm of rain; Sintra averages 23°C high / 17°C low with about 24 mm.