Swimming in Southampton in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Southampton in september 2025.

In september, according to seasonal norms, the sea temperature in Southampton is:

Minimum: 62°F

Average: 64°F

Maximum: 65°F

Other useful seasonal weather averages in september:

  • Outside temperature: 55°F to 67°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 7.5mph
  • It rains a total of 2.3in, over 3 day(s).

Should we swim in Southampton in september?

Yes... and no. The water temperature in Southampton in september is cool

Swimming in september on the beaches of Southampton is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 65°F, it can also be as low as 62°F! Note that the average is 64°F.

Note also that in september, the climate is good with an average outside temperature of 61°F, 2.3in of precipitation (over 3 days) and 90.09 % humidity.

Water and normal seasonal temperatures in Southampton in september

September
Average sea temperature 64°F
Minimum sea temperature 62°F
Maximum sea temperature 65°F
Average outside temperature 61°F
Maximum outside temperature 68°F
Minimum outside temperature 56°F
Wind speed 12.4mph
Wind temperature 54°F
Precipitation 2.3in
Number of days of rain 3 jour(s)
(11%)
Humidity 91%
Visibility in kilometers 9.12km
Cloud cover 42%
Our opinion cool swimming

Chart of the tides in september 2025

Tide times in september 2025 in Southampton

Swim elsewhere in England in september

City Average T° Max. T° Our opinion
London in september64°F66°Fcool swimming
Brighton in september64°F65°Fcool swimming
Bristol in september62°F64°Fcold swimming
Cornwall in september62°F65°Fcold swimming
Exmouth in september62°F64°Fcold swimming
Isle of Wight in september64°F65°Fcool swimming
Jersey in september65°F67°Fcool swimming
Liverpool in september61°F63°Fcold swimming
Plymouth in september61°F63°Fcold swimming
Skegness in september59°F63°Fcold swimming
Torquay in september62°F64°Fcold swimming
Dover in september64°F67°Fcool swimming
Guernsey in september64°F66°Fcool swimming
Hull (Kingston-upon-Hull) in september60°F63°Fcold swimming
Isles of Scilly in september63°F66°Fcold swimming
Margate in september65°F67°Fcool swimming
Falmouth in september62°F64°Fcold swimming
Folkestone in september65°F67°Fcool swimming
Hunstanton in september62°F64°Fcold swimming
Lowestoft in september63°F66°Fcool swimming
Newcastle in september59°F62°Ffreezing swimming

Swim in England in september: sea temperature by city

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