Search flights, hotels & activities for Portsmouth
Compare flights, hotels, cars, and activities in one place.
500+airlines & travel sites compared
21,000+routes tracked
€0booking fees from us
Freeprice drop alerts
Things to Do in Portsmouth in September
Real historical weather for Portsmouth in September: average highs of 20°C and lows of 14°C, with around 105mm of rain (averaged over the last 2 years). Portsmouth is in United Kingdom.
20°C
Average high
14°C
Average low
105mm
Typical rainfall
Real things to do in Portsmouth in September
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Old Portsmouth Historical Walking Tour - an infernal den of Diabolical Demons
★ 5.0(50 reviews)· 1h 30m
From €15
Portsmouth Prowl Scavenger Hunt
★ 5.0(3 reviews)· 2 hrs
From €24
Portsmouth Cruise Port to Heathrow Airport Private Transfer
★ 5.0(1 reviews)· 2 hrs
From €208
Portsmouth To London Private Transfer Service
★ 5.0(1 reviews)
From €203
Guided Walking Tour of Portsmouth
★ 5.0(167 reviews)· 1h 30m
From €12
City of Portsmouth Bike Tour - Visit Historic Landmarks + Sites
★ 4.8(18 reviews)· 1h 45m
From €67
Spinnaker Tower Portsmouth All Day Admission Ticket
★ 4.4(444 reviews)· 1 hr
From €23
Self Guided Haunted Walking Tour in Portsmouth APP/GPS/EMF Reader
★ 4.3(67 reviews)· 1 hr
From €9
Portsmouth Historic Dockyard Ticket
★ 4.1(14 reviews)· 365 days
From €55
An Epic Scavenger Hunt: Pretty Portsmouth
★ 3.9(14 reviews)· 1h 30m
From €13
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
Plan the rest of your trip
Continue planning your trip to Portsmouth
Same destination, real availability — no need to search again.
FAQs — Portsmouth in September
Based on real historical data (averaged over the last 2 years), expect highs around 20°C and lows around 14°C, with roughly 105mm of rain.