Hilo
FallOff season ~81°F highs
Things to do in Hilo in September
September is off season (quieter, and often cheaper) to visit Hilo, with average highs around 81°F. Crisp air and changing leaves make parks and viewpoints shine.
Best picks for September
What's famous here, weighted toward what shines in September.
Holidays in September 2027
- Labour Day · Mon, Sep 6
Expect busier roads and pricier stays around these dates. See long weekends.
Hilo in September: quick answers
Is September a good time to visit Hilo?
September is off season (quieter, and often cheaper) to visit Hilo, with average highs around 81°F. Crisp air and changing leaves make parks and viewpoints shine.
What is the weather like in Hilo in September?
Average daytime highs are around 81°F, compared with 82°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
What are the best things to do in Hilo in September?
Top picks for September: Hawaiʻi Volcanoes National Park, Hawaiʻi Volcanoes National Park/Kahuku Ranch Cooperative Nene Sanctuary, ʻAkaka Falls State Park, Wailuku River State Park, Hakalau Forest National Wildlife Refuge.
