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Bairro Alto Weather in September
Bairro Alto, Lisbon, Portugal
About Bairro Alto in September
Bairro Alto's hilltop position at roughly 80m elevation exposes it to Atlantic winds that sweep across from the west, providing natural cooling that the lower Baixa lacks. The dense historic fabric of narrow streets retains daytime heat but the elevated, exposed position means temperatures drop quickly after sunset.
For detailed monthly temperature and rainfall data for Lisbon in September, see the Lisbon September weather guide.