Hartford weather in September 2024

Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Hartford in September. Check more long-term weather averages for Hartford in September before you book your next holiday to Connecticut in 2024/2025.

  • 23°C maximum daytime temperature in September in Hartford23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Hartford9
    9 days with some rainfall
  • 11°C minimum night-time temperature in September in Hartford11
    11°C min night temperature
  • 12 hours of daylight per day in September in Hartford12
    12 hours of daylight per day
  • No heat & humidity in September in Hartford0
    No heat & humidity
  • 95 mm monthly rainfall in September in Hartford95
    95 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Hartford6
    6 (High) UV index

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The September weather guide for Connecticut (Hartford) 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 / mm)  |  Imperial (°F / inches)

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More about the USA

How hot is it in Hartford in September?

Daytime temperatures usually reach 23°C in Hartford in September, falling to 11°C at night.

How sunny is it in Hartford in September?

There are normally 7 hours of bright sunshine each day in Hartford in September - that's 59% of daylight hours.

Does it rain in Hartford in September?

There are usually 9 days with some rain in Hartford in September and the average monthly rainfall is 95mm.

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

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

Hartford September sunrise & sunset times

Browse the sunrise and sunset times for Hartford in September 2024. Select a month to view Hartford sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Sunday, 1st September 2024 06:17 19:23
Sunday, 15th September 2024 06:32 18:59
Monday, 30th September 2024 06:47 18:33

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