Sunny & Mild cities in Northern Europe in September

The shoulder-season sweet spot for comfortable city travel.

1 city in Northern Europe matches our Sunny & Mild profile in September: average temperature ≥ 14°C / 57.2°F, ≤ 22°C / 71.6°F, monthly rainfall ≤ 50 mm / 2 in. Top picks include Southend-on-Sea (United Kingdom, 14.8°C / 58.6°F). Unlike the country-level averages, these are point values sampled at each city itself — usually more useful for planning where you'll actually spend your time. Click a city for its full year-round climate and best months to visit.

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