September marks the beginning of the peak travel season in New Delhi, drawing visitors eager to immerse themselves in the vibrant culture, historical sites, and bustling markets of India's capital. This month, along with October and November, offers a delightful escape from the heat, with temperatures typically ranging from 20 to 30 degrees Celsius, creating an ideal climate for outdoor activities and sightseeing.During this time, the city comes alive with festivities, including the joyous celebrations of Diwali, which is a spectacle of lights and cultural significance. The pleasant weather allows for comfortable exploration of landmarks such as the Red Fort, India Gate, and the Lotus Temple, all within close proximity to each other, making it easy to maximise your experience.If you're looking for a more budget-friendly time to visit, consider May. While it's the low season due to higher temperatures, the city offers unique advantages, such as fewer crowds and the chance to experience local life more authentically. The streets may be quieter, allowing for leisurely strolls and deeper engagement with the local culture.Ultimately, the best time to book a holiday rental in New Delhi depends on your preference for either the vibrant energy of the peak season or the more tranquil atmosphere of the shoulder months.