White Mountains weather in September
Cool, with some rainy days. Average highs of 11°C and lows of 2°C, with around 11 rainy days expected throughout the month.
While September isn't our top-rated month for White Mountains, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
11°C
Average low
2°C
Rainy days
11 days
Best months to visit
Year-round
What to do in White Mountains in September
Whatever the weather, White Mountains rewards curious visitors. Here are some of the best ways to spend your time:
Mount Washington cog railway: steam train to peak ride
Mount Washington carriage road auto ascent option
Franconia Notch scenic parkway: waterfall and mountain views
Flume Gorge hiking: natural stone gorge exploration
Fall foliage driving: peak color season October visits
Summit hut to hut hiking: White Mountains backpacking
What to pack for September
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
January
-13C
Cold, with some rainy days.
February
-12C
Cold, with some rainy days.
March
-8C
Cold, with some rainy days.
April
-2C
Cold, with regular rainfall.
May
7C
Cold, with some rainy days.
June
11C
Cool, with regular rainfall.
July
15C
Cool, with regular rainfall.
August
14C
Cool, with regular rainfall.
September (you are here)
11C
Cool, with some rainy days.
October
4C
Cold, with some rainy days.
November
-4C
Cold, with some rainy days.
December
-9C
Cold, with some rainy days.
Book your September trip to White Mountains
Find hotels, tours and experiences for the perfect escape.
