Cambridge weather in September 2025

Expect daytime maximum temperatures of 81°F in Cambridge, Maryland in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 3.5 inches of rainfall in the month.

  • 81°F maximum daytime temperature in September in Cambridge81
    81°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Cambridge8
    8 days with some rainfall
  • 59°F minimum night-time temperature in September in Cambridge59
    59°F min night temperature
  • 12 hours of daylight per day in September in Cambridge12
    12 hours of daylight per day
  • Low heat & humidity in September in CambridgeL
    Low heat & humidity
  • 3.5 inches monthly rainfall in September in Cambridge3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Cambridge7
    7 (High) UV index
  • 73°F sea temperature in September in Cambridge73
    73°F sea temperature

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The September weather guide for Maryland (Cambridge) 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 Cambridge in September?

Daytime temperatures usually reach 81°F in Cambridge in September with low heat and humidity, falling to 59°F at night.

How sunny is it in Cambridge in September?

There are normally 8 hours of bright sunshine each day in Cambridge in September - that's 60% of daylight hours.

How warm is the sea around Cambridge in September?

The average sea temperature around Cambridge in September is 73°F.

Does it rain in Cambridge in September?

There are usually 8 days with some rain in Cambridge in September and the average monthly rainfall is 3.5 inches.

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

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

Cambridge September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:34 18:34
Monday, 15th September 2025 05:46 18:12
Tuesday, 30th September 2025 05:59 17:48

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