Best weather in September
Every city ranked by how comfortable its September weather is — pleasant temperatures, little rain, clear skies — from 30 years of climate data. Search, filter and sort the full field just like the main city browser.
Want the averages instead of the rankings? See what September weather is like worldwide — average temperatures for major cities.
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10,000+ cities ranked by the average September travel score (0–10): daytime temperature comfort, chance of rain, and cloud cover, from 30 years of ERA5 climate data. Click a city for its full September climate. GDP, safety and advisory are country-level figures, not city-specific.