September is among the best times to visit O’ahu for warm beach days, tropical excursions, and local cultural events and celebrations. While September marks the closing of the summer season, O’ahu’s weather and climate offer plenty of opportunities to swim, snorkel, hike, and explore. Follow along with our blog this month as we take you through the excitement coming to O’ahu in September.
If you need more suggestions for things to do on O’ahu, download our free Destination Guide!
In this Blog:
- Weather on Oahu in September
- September Events on O‘ahu
- The 44th Okinawan Festival
- Aloha Festivals of O‘ahu
- Ride Aloha Festival
- Book Your September Stay in O’ahu
- Frequently Asked Questions about O‘ahu in September
Weather on Oahu in September
The weather on O‘ahu in September is warm and generally sunny, with average daily highs in the mid-80s and average lows around the mid-70s. Conditions can feel humid, but trade winds often provide relief, especially near the coast. Rainfall is pretty common on the island; however, September is typically one of the drier months on O‘ahu. These weather conditions keep the area warm, opening up plenty of opportunities to visit the beach and swim, sunbathe, snorkel, and more!
September Events on O‘ahu
September offers several great events and activities, allowing you to explore the island’s unique culture. During your September stay, check out these fun events to add variety to your trip.
The 44th Okinawan Festival
Explore a world of vibrant Uchinanchu traditions at the 44th Annual Okinawan Festival! Set early in the month at the Hawai‘i Convention Center, this annual celebration highlights Okinawan culture throughout a weekend of authentic Ryukyuan cuisine and musical performances featuring traditional instruments such as the sanshin.
Aloha Festivals of O‘ahu
Celebrating the beauty of Hawai‘ian culture for 8 decades now, the Aloha Festivals fill Waikiki with Hawaiian music, dance, food, and pageantry. Kicking off with an opening ceremony at the Royal Grove, the festival will also feature the 72nd Annual Waikīkī Hoʻolauleʻa, said to be Hawai‘i’s largest block party. The celebration will end in a floral parade with a colorful procession of horseback riders and floats covered in Hawai‘ian flowers.
Ride Aloha Festival
Enjoy cycling with locals and visitors alike at the Ride Aloha Festival! Over two days, choose a ride distance of up to 100 miles, including a carless ride along the Kaiwi Coast. The finish, set at Kapi‘olani Park, will feature live music, food vendors, and plenty of bike-based fun for all ages!
Book Your September Stay in O’ahu
Featured Stay: Hualalai Resort 72-105 Pakui
Make a trip to O‘ahu this September to enjoy all the island has to offer, from outdoor excursions to cultural celebrations. Make your trip complete with a stay at one of our properties here at Private Homes Hawai‘i. Our rentals are located across O‘ahu and the Big Island, with options ranging from beachfront rentals to homes for larger groups. Explore all of our available properties today and book direct with us to save big on third-party fees at checkout!
Frequently Asked Questions about O‘ahu in September
Is September a rainy month on Oahu?
No. September falls within Hawaii’s generally drier summer season, although brief showers remain possible. Windward areas are usually wetter than Honolulu and the leeward coast.
Is September good for swimming on Oahu?
Yes. Ocean temperatures are near their annual warmest in late September. Check posted warnings and daily conditions before swimming, snorkeling, or surfing.
What should I wear on Oahu in September?
Wear lightweight clothing, sandals, and sun protection during the day. Pack walking shoes, a light rain jacket, and a thin layer for air-conditioned spaces or higher elevations.
Written by Terrance Davis
Terrance writes for Private Homes Hawai‘i, highlighting all of the best events, activities, and sites around O’ahu and the Big Island.