Weather in Chester in September
How warm is it in Chester in September?
In September the typical daytime high in Chester is 17.7 °C on average, from 19.1 °C at the start to 16.2 °C at the end of the month.
That is 2.0 °C cooler than in August and 3.2 °C warmer than in October.
The last 10 years were 1.0 °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 Valley (109 km), Oxford (193 km) and Dublin Phoenix Park (229 km); nearer ones count more.