Lisbon in September
Still summer-warm with visibly thinner crowds after the first week — the best overall month on most measures.
Is September a good time to visit Lisbon?
September is a middling month in Lisbon — crowds around 78/100. Not the worst, but January is noticeably calmer.
What’s on in September
- Autumn cruise season
Best days in September
Weekdays are almost always calmer than weekends.
Tue is normally the calmest day of the week.
Best hours in September
The daily rhythm, hour by hour.
The 9:00 AM window is usually the calmest of the day.
Weather in September
Typical highs, lows and wet days.
How September compares
Every month in Lisbon, ranked by how calm it is.
Quieter alternatives
If your dates are flexible, these months are calmer in Lisbon.
Book things to do
Tours and tickets in Lisbon, from our booking partner.
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Frequently asked questions
Is September a good month to visit Lisbon?
September is a middling month in Lisbon — crowds around 78/100. Not the worst, but January is noticeably calmer.
How crowded is Lisbon in September?
Lisbon sits at roughly 78/100 in September on our crowd scale, which is 14 points above the yearly average. The quietest month is January.
What is the weather like in Lisbon in September?
Expect highs around 26°C and lows near 17°C in September, with about 4 wet days across the month.