FallPeak season ~74°F highs

Things to do in Keene in September

September is one of the best months to visit Keene, with average highs around 74°F. Crisp air and changing leaves make parks and viewpoints shine.

Plan a September weekend Where else in September

Best picks for September

What's famous here, weighted toward what shines in September.

1Foliage walks

Monadnock State Park

State park in Cheshire County, New Hampshire

2Foliage walks

Pisgah State Park

State park in Cheshire County, New Hampshire

3Foliage walks

Central Square

Holidays in September 2027

Labour Day · Mon, Sep 6

Expect busier roads and pricier stays around these dates. See long weekends.

Also great in September in New Hampshire

Manchester Meredith Lebanon Berlin

Keene in September: quick answers

Is September a good time to visit Keene?

September is one of the best months to visit Keene, with average highs around 74°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Keene in September?

Average daytime highs are around 74°F, compared with 83°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 Keene in September?

Top picks for September: Monadnock State Park, Pisgah State Park, Central Square, Franklin Pierce Homestead State Historic Site, Acworth Town Common.