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New Hampshire United States of America
Temperatures in September
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New Hampshire temperatures in September

New Hampshire is a region in the United States of America. September in has maximum daytime temperatures ranging from pleasant in Waterville Valley with 19°C to high temperatures in Nashua with 24°C. Nighttime temperatures generally drop to 11°C in Nashua and 8°C in Waterville Valley.

What is the temperature of the different cities in New Hampshire in September?

Find the average daytime temperatures in September for the most popular destinations in New Hampshire on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in September in New Hampshire?
    • Nashua tops the warmest city list in our database with average maximum daytime temperatures around 24°C and a minimum nighttime temperature of around 11°C.

  • What is the coldest city in September in New Hampshire?
    • According to our data, Waterville Valley holds the title for the coldest city in New Hampshire in September. It experiences maximum temperatures of approximately 19°C and drops to lows of about 8°C during the night.

  • How much sun does New Hampshire get in September?
    • Hampton Beach enjoys approximately 238 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

    Interested in more climate information?

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