Hartford · United States
Weather in Hartford in September
In September the typical daytime high in Hartford is 21.5 °C on average, from 24.0 °C at the start to 18.6 °C at the end of the month.
The last 10 years were 1.4 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Norfolk (50 km), Kingston (100 km) and Blue Hill Coop (139 km); nearer ones count more.