Lisbon weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Lisbon September weather at a glance
In September, Lisbon averages 20.8°C, with typical highs of 26.4°C and lows of 16.8°C. The historical average is 3 wet days and 64% humidity.
Lisbon September temperature & humidity
Lisbon September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Lisbon in September
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 26.4°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 16.8°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Lisbon September sunrise & sunset times
2026 September · Local time (Europe/Lisbon)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 07:06 | 20:07 | 13h 1m |
| 2026-09-15 | 07:18 | 19:45 | 12h 27m |
| 2026-09-30 | 07:31 | 19:21 | 11h 50m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Lisbon travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Lisbon city map
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Lisbon travel essentials
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Best months to visit Lisbon
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Lisbon weather like in September?
In September, Lisbon averages 20.8°C, with typical highs of 26.4°C and lows of 16.8°C. The historical average is 3 wet days and 64% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Lisbon in September?
There are about 3 wet days in September. A compact umbrella is still useful.
What should I wear in Lisbon in September?
Choose breathable summer clothes and pack sun protection.
What are the best months to visit Lisbon?
Recent weather data rates February, May, June, July among the more comfortable months.
Where can I check Lisbon weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Lisbon in September?
On 2026-09-15, calculated sunrise is 07:18 and sunset is 19:45 in local time (Europe/Lisbon). Times vary by date and terrain.
Lisbon weather by month
More Europe destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations