September in London typically offers a transition from summer to autumn. Expect average high temperatures around 18-20C (64-68F) and lows around 10-12C (50-54F). Rainfall is relatively moderate, but unpredictable. This period often sees sunny days interspersed with cloudy spells and occasional showers. Packing for this variability is key to a comfortable visit.
Understanding London’s climate during this month allows travelers to prepare appropriately, maximizing their comfort and enjoyment. Historically, September has marked the end of the main tourist season, offering a potentially less crowded experience. Suitable clothing choices enable visitors to navigate the city’s varied indoor and outdoor activities with ease, from exploring historical sites to enjoying the vibrant cultural scene. Being prepared for fluctuating conditions ensures that unforeseen weather doesn’t disrupt planned itineraries.
