
FallPeak season ~75°F highs
September is one of the best months to visit Hammond, with average highs around 75°F. Crisp air and changing leaves make parks and viewpoints shine.
What's famous here, weighted toward what shines in September.
Expect busier roads and pricier stays around these dates. See long weekends.
September is one of the best months to visit Hammond, with average highs around 75°F. Crisp air and changing leaves make parks and viewpoints shine.
Average daytime highs are around 75°F, compared with 83°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
Top picks for September: Indiana Dunes National Park, Indiana Dunes State Park, Cowles Bog National Natural Landmark, Gabis Arboretum at Purdue Northwest, Hoosier Prairie State Nature Preserve.
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