Newburyport weather in September 2025

Expect 73°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Newburyport in September. Check more long-term weather averages for Newburyport in September before you book your next holiday to Massachusetts in 2025/2026.

  • 73°F maximum daytime temperature in September in Newburyport73
    73°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Newburyport8
    8 days with some rainfall
  • 52°F minimum night-time temperature in September in Newburyport52
    52°F min night temperature
  • 12 hours of daylight per day in September in Newburyport12
    12 hours of daylight per day
  • No heat & humidity in September in Newburyport0
    No heat & humidity
  • 3.3 inches monthly rainfall in September in Newburyport3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Newburyport6
    6 (High) UV index
  • 61°F sea temperature in September in Newburyport61
    61°F sea temperature

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The September weather guide for Massachusetts (Newburyport) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Newburyport in September?

Daytime temperatures usually reach 73°F in Newburyport in September, falling to 52°F at night.

How sunny is it in Newburyport in September?

There are normally 8 hours of bright sunshine each day in Newburyport in September - that's 61% of daylight hours.

How warm is the sea around Newburyport in September?

The average sea temperature around Newburyport in September is 61°F.

Does it rain in Newburyport in September?

There are usually 8 days with some rain in Newburyport in September and the average monthly rainfall is 3.3 inches.

What is the chance of a hurricane in Newburyport in September?

On average less than 1 day in September in Newburyport is likely to be affected by the passage of one or more tropical storms.

Newburyport September sunrise & sunset times

Browse the sunrise and sunset times for Newburyport in September 2025. Select a month to view Newburyport sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:08 18:17
Monday, 15th September 2025 05:24 17:53
Tuesday, 30th September 2025 05:40 17:26

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