Kochi is a vibrant city and an interesting blend of cultures. Visit the Fort Kochi area to see the famous Chinese fishing nets and stroll through the charming streets lined with colonial architecture. Be sure to explore the Jewish quarter and the Dutch Palace, a fine example of Kerala's traditional architecture.
Munnar is a beautiful hill station known for its lush green tea plantations, rolling hills, and breathtaking views. Explore the charming tea estates and learn about the tea-making process. Visit the Eravikulam National Park to spot the endangered Nilgiri Tahr and take a nature walk in the beautiful Shola forests.
Thekkady is famous for its wildlife sanctuary, which is home to diverse flora and fauna, including tigers, elephants, and rare bird species. Take a boat ride on Periyar Lake to appreciate the scenic beauty of the region, and visit a spice plantation to learn about the region's famous cardamom, pepper, and cinnamon harvests.
Alleppey is popularly known as the Venice of the East, thanks to its intricate network of canals, backwaters, and lagoons. Take a houseboat ride and admire the beautiful waterways and lush, green landscapes. Experience the local culture at a coir making house or a toddy tapping session, or indulge in some fresh seafood at a beachside restaurant.
Trivandrum, the capital of Kerala, is home to the famous Sree Padmanabhaswamy Temple, one of the wealthiest shrines in the world. Visit the Napier Museum to admire an impressive collection of archaeological and historic artifacts, and learn about the city's rich history. If time permits, take a dip in the beautiful beaches of Kovalam, located just outside the city.
If you have more time, consider adding a day trip to Varkala Beach or a visit to the Wayanad Wildlife Sanctuary for some more wildlife spotting. If you have less time, consider skipping Thekkady or Alleppey, but try not to miss Munnar and Kochi. September can still be quite hot and humid, so dress comfortably and carry sunscreen and insect repellent.