Keene Weather in September

Keene in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 110 mm (4.3 in) on average, so pack waterproofs just in case.

Rainfall in Keene in September

Rain is expected on roughly 9 days, totalling around 110 mm (4.3 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Keene in September

Temperatures in Keene in September top out at 23°C (73°F) and drop to 10°C (50°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Keene in September

The days are predominantly sunny, with an estimated total of around 214 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, May typically offers the best circumstances for Keene.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Keene's climate page.

Keene Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 30%  

Precipitation 110 mm (4.3 in)  

Rainy days 9 days  

Humidity 76% *  

Sunshine 214 hours *  

Percentage Sunshine *  

* Data from: Concord, the United States of America (67 KM, 41 Miles).

What to Wear in Keene in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Keene in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Keene's climate page.

More climate data for Keene

Temperature Rainfall Sunshine Humidity

See the full Keene climate overview or explore weather in the United States of America.