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Southampton Weather September
Southampton is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Southampton in September.
 | average daily high | +19.8°C |
 | average daily low | +11.4°C |
 | sea temperature | +17.3°C |
 | daytime | 13.1 h |
 | sunny / overcast hours | 4.9 / 8.2 |
 | average monthly precipitation | 60 mm |
Best time with the soft weather for the sightseeing and long walks in Southampton are June, July, August, September.
Temperature in Southampton
In September the average daily maximum in Southampton is +19.8°C, and the minimum +11.4°C.
The hottest September day on record is +26.3°C, and the coldest +4.9°C.
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Best beach resorts in September:
Barcelona
Spain
Nice
France
Rimini
Italy
Cannes
France
Lisbon
Portugal
Marseille
France
Daylight hours
There are 13.1 hours of daylight in Southampton in September. Out of these, on average 4.9 are sunny, which means it is mostly cloudy.
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Sea temperature
The average monthly temperature in the Solent on the beaches of Southampton in September is +17.3°C.
The water is considered very cool, but some hardy people might bathe in it for 10-15 minutes.
Precipitation
The amount of precipitation in Southampton in September is usually 60 mm, which may cause a change of plans on certain days.