Stamford weather in September 2020

  • 23°C maximum daytime temperature in September in Stamford23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in September in Stamford8
    8 days with some rainfall
  • 11°C minimum night-time temperature in September in Stamford11
    11°C min night temperature
  • 12 hours of daylight per day in September in Stamford12
    12 hours of daylight per day
  • No heat & humidity in September in Stamford0
    No heat & humidity
  • 100 mm monthly rainfall in September in Stamford100
    100 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Stamford6
    6 (High) UV index
  • Top deals & discounts
  • Stamford weather overview
  • Stamford climate averages by month
  • More destinations
  • Best time to go to Stamford
  • Stamford 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The September weather guide for Stamford, Connecticut 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.

  • Book car hire with Alamo & get Viator discount code
  • Save 10% on US attractions & excursions with Viator
  • Offer available to UK residents only

How hot is it in Stamford in September?

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

How sunny is it in Stamford in September?

There are normally 7 hours of bright sunshine each day in Stamford in September - that's 58% of daylight hours.

Does it rain in Stamford in September?

There are usually 8 days with some rain in Stamford in September and the average monthly rainfall is 100mm.

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

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

Stamford sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Stamford in September 2020. Select a month to view Stamford sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:21 19:26
Tuesday, 15th September 2020 06:35 19:02
Wednesday, 30th September 2020 06:50 18:37
  • Save up to 10% on car hire in the USA with Budget
  • Use the Budget Customer Discount (BCD) number
  • Travel before 31st March 2021 (inclusive)
Show discount codeShow discount code ******109

Expires at 23:59 on Wednesday 31st Mar 2021 · View all Budget offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about the USA

Where's hot in Connecticut in September?

Below are average maximum temperatures at popular destinations in Connecticut in September. Select a destination to see more weather parameters.

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.