Weather · Southampton, United Kingdom
Southampton Weather in September
September in Southampton averages 21°C by day and 13°C at night, with about 74mm of rain. That makes it a reasonable time to visit.
Avg high
21°C
70°F
Avg low
13°C
55°F
Rainfall
74mm
#7 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Southampton builds it around the season for you.