Save for later! Wondering where to go in September? These destinations are perfect for an early autumn city break. Where is less busy in September? Venice - the last month before acqua alta ('high water') Dubrovnik - school summer holidays are over Budapest - end of peak season Where to go for good weather in September? Rome - averages of 17°C – 27°C Athens - averages of 20°C – 29°C Marrakech - averages of 19°C – 33°C September festivals Munich - Oktoberfest (begins 20th September) London - Open