Lisbon · September
Best travel monthTravel seasonPortugal · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 15° | 16° | 18° | 20° | 24° | 26° | 29° | 29° | 27° | 24° | 18° | 16° |
MINMIN | 9° | 9° | 11° | 13° | 15° | 17° | 19° | 19° | 18° | 16° | 12° | 10° |
☀️Sunshine | 5h | 6h | 8h | 9h | 10h | 10h | 11h | 10h | 9h | 7h | 5h | 5h |
🌊Water Temp | 15° | 15° | 15° | 16° | 17° | 18° | 18° | 18° | 18° | 18° | 17° | 15° |
🌧Rain Days | 6d68mm | 6d61mm | 6d65mm | 6d56mm | 3d30mm | 1d12mm | 0d1mm | 0d3mm | 2d24mm | 6d86mm | 8d102mm | 6d81mm |
Best travel time current monthMonthly averages 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is among the best months in Lisbon: only 2 rain days, 27°C highs, and good sunshine make for ideal holiday conditions.
Daytime temperatures reach up to 27°C, cooling to 18°C at night (daily average: 22°C). The sun shines an average of 9 hours per day; there are 2 rain days with 24 mm total. The sea is 18°C — refreshing and manageable for confident swimmers.
Summer clothing and a light jacket for evenings is enough. Conditions are ideal for excursions, hikes, and sightseeing.
Goldener Herbst: Die Touristenwellen aus dem Sommer ebben ab, das Wetter bleibt warm, die Surfstrände um Cascais und Ericeira haben jetzt ihre beste Zeit.
Packing list for Lisbon in September
- T-Shirts und kurze Hosen
- Sonnencreme LSF 50
- Sonnenbrille
- Sonnenhut
- Reiseapotheke
Frequently Asked Questions
- Is September a good time to visit Lisbon?
- Yes — September is one of the best months to visit Lisbon (Climate Score: 84/100). Pleasant temperatures (27°C), good sunshine (9 h/day), and few rain days (2) make it one of the most recommended months.
- How warm is it in Lisbon in September?
- In September, Lisbon sees daily highs of 27°C. Nights cool to 18°C, with a daily average of 22°C.
- How much rain falls in Lisbon in September?
- In September, Lisbon receives an average of 24 mm of rain over 2 rain days. That is comparatively dry.
- How many sunshine hours does Lisbon get in September?
- Lisbon averages 9 sunshine hours per day in September — above the annual average.
- How warm is the water in Lisbon in September?
- Water temperature in Lisbon in September averages 18°C — refreshing but slightly cool for sensitive swimmers.
