Where is Hot in September?
Perfect shoulder season with warm weather and fewer crowds. Excellent time for cheap warm holidays with still-hot Mediterranean.
Average Temperature
26°C
Flights from
£65
Destinations
6
Best Warm Destinations for September 2025
Planning a september getaway? We've curated the best warm destinations with temperatures averaging 26°C, perfect for escaping the UK weather. All destinations feature live weather data, flight prices from London, and detailed climate information to help you choose your ideal sunny escape.
Barcelona
Perfect post-summer weather for city and beach. Fewer tourists, great atmosphere.
Athens
Still hot but more comfortable for sightseeing. Perfect for exploring ancient sites.
Sicily
Warm sea and perfect temperatures. Ideal for combining culture and beaches.
Dubrovnik
Warm weather without summer crowds. Perfect for exploring the old town.
Rhodes
Still hot with warm sea temperatures. Great value in shoulder season.
Lisbon
Perfect September weather for city exploring. Nearby beaches still warm.
Why Visit These Destinations in September?
Perfect shoulder season with warm weather and fewer crowds. Excellent time for cheap warm holidays with still-hot Mediterranean. With average temperatures of 26°C and flights starting from just £65, september offers excellent value for warm weather holidays from the UK.
Best Value Destinations in September
- •Barcelona - 25°C average, flights from £70-£150, 2h 15m from London
- •Athens - 27°C average, flights from £85-£170, 3h 45m from London
- •Sicily - 26°C average, flights from £80-£165, 3h from London
What to Expect in September
September is ideal for travelers seeking city break, beach, culture holidays. Most destinations offer comfortable temperatures perfect for outdoor activities, with minimal rainfall and plenty of sunshine hours.