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Portsmouth

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Portsmouth Weather September

To help you choose the best time to travel, you can find climate data below on the weather in Portsmouth in September.

day temperatureaverage daily high+19°C
night temperatureaverage daily low+12.2°C
sea temperaturesea temperature+17.3°C
day lengthdaytime13.1 h
sunny hours per daysunny / overcast hours5.8 / 7.3
average monthly precipitationaverage monthly precipitation54 mm

Best places in September


Temperature in Portsmouth

In September the average daily maximum in Portsmouth is +19°C, and the minimum +12.2°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


Algarve
Portugal

Marbella
Spain

Split
Croatia

Jeju
South Korea

Dubrovnik
Croatia

Hurghada
Egypt


Daylight hours

There are 13.1 hours of daylight in Portsmouth in September. Out of these, on average 5.8 are sunny, which means it is mostly cloudy.

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Sea temperature

The average monthly temperature in the English Channel on the beaches of Portsmouth in September is +17.3°C.

The water is considered very cool, but some hardy people might bathe in it for 10-15 minutes.

Portsmouth climate by month


Precipitation

The amount of precipitation in Portsmouth in September is usually 54 mm, which may cause a change of plans on certain days.

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