In September, Manali experiences the transition from monsoon to autumn, making it a pleasant time to visit. The weather gradually cools down, with daytime temperatures ranging from 15°C to 25°C (59°F to 77°F), providing comfortable conditions for outdoor activities. The monsoon showers start to taper off, resulting in clearer skies and lush greenery. Nights, however, can get cooler, with temperatures dropping to around 10°C (50°F), so packing some warm clothing is advisable. Overall, September offers a lovely blend of mild weather, fewer tourists, and the lingering beauty of the monsoon’s aftermath, making it an ideal time to explore Manali and its surroundings.