Typical Weather

Portsmouth · United Kingdom

Weather in Portsmouth in September

In September the typical daytime high in Portsmouth is 19.2 °C on average, from 20.6 °C at the start to 17.4 °C at the end of the month.

The last 10 years were 1.5 °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 Oxford (108 km), Pte De La Hague (134 km) and Abbeville (220 km); nearer ones count more.