September is the most popular time to visit Penge, as the summer crowds begin to thin out while the weather remains pleasantly mild. The peak season spans from July to September, attracting families and holidaymakers keen to explore the charming attractions that this vibrant part of London has to offer.During September, visitors can enjoy comfortable temperatures averaging around 15 to 20 degrees Celsius, ideal for outdoor activities and leisurely strolls through the picturesque parks, such as Crystal Palace Park. This time of year also allows for an abundance of local events, markets, and festivals, offering a rich experience of Penge's community spirit.For those looking for a more budget-friendly option, consider planning your visit in December. While this month may be quieter in terms of tourist activity, it's a lovely time to enjoy the festive atmosphere and explore the local shops adorned with seasonal decorations.Ultimately, the best time to book a holiday rental in Penge depends on your travel preferences. If you enjoy the lively buzz of summer with plenty of events, July to September is ideal. If you prefer a more tranquil experience with a touch of holiday charm, December could be your great choice.