September is the most popular time to visit Fitzrovia, making it an ideal choice for travelers seeking a delightful blend of vibrant city life and comfortable weather. The peak season, spanning from July to September, draws many visitors eager to explore the lively streets filled with artistic flair and culinary delights. During this time, the area's outdoor cafes and parks are buzzing with activity, allowing you to soak in the special environment of this charming London neighborhood.As summer transitions into autumn, September offers mild temperatures ranging from the low 50s to mid-70s Fahrenheit, creating a superb climate for leisurely strolls and sightseeing. You can easily explore Fitzrovia's hidden gems, such as its eclectic mix of shops and art galleries, as well as enjoy the proximity to renowned attractions like the British Museum.For those seeking a more budget-friendly experience, consider visiting in December. While this month is part of the low season, it presents a magical opportunity to experience the festive ambiance of London, complete with beautiful holiday lights and seasonal markets.Ultimately, your choice of when to visit Fitzrovia will depend on whether you prefer the bustling energy of peak season or the charming, quieter moments of the off-peak months.