Month-by-month travel weather
Lisbon September weather
Lisbon, Portugal · September
Less heat than peak summer; some rain can return
September often feels like a sweet spot: still warm and lively, but easier for longer walks than July/August.
Rain can start to return in intermittent bursts. Evenings can cool with breeze; a thin layer helps.
September averages at a glance
Average low
around 17–18°C
Average high
around 26–28°C
Average precipitation
around 25–50 mm
Precip days
about 4–7 days
What to wear in September in Lisbon
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Light clothing + optional thin evening layer.
- • Optional sunscreen/sunglasses.
- • Comfortable shoes for hills.
- • Optional umbrella for intermittent rain.
Travel tips for visiting Lisbon in September
- • Walk hills in the morning or near sunset for best comfort.
- • Pack a layer for breezy waterfront evenings.
- • Use indoor anchors if a rain burst interrupts plans.
September weather in Lisbon — FAQ
Q. Is September warm enough for the beach?
A. Often yes, though wind and water temperature vary by day.
Q. Is September rainy?
A. It can start to increase, but often in intermittent spells.
Explore Lisbon
These pages are connected so you can compare conditions and decide for yourself.