Swim in Kauai (Garden Isle) in september 2024What is the temperature of the sea in in september?

Average sea temperature in Kauai (Garden Isle) in september 2024.

In september, according to seasonal norms, the sea temperature in Kauai (Garden Isle) is:

Minimum: 79°F

Average: 81°F

Maximum: 82°F

Other useful seasonal weather averages in september:

  • Outside temperature: 78°F to 81°F
  • Most common weather: "Clear/Sunny"
  • The wind blows at 16.2mph
  • It rains a total of 3.3in, over 4 day(s).

Should we swim in Kauai (Garden Isle) in september?

Yes! The water temperature in Kauai (Garden Isle) in september is ideal

In september, swimming is ideal on the beaches around Kauai (Garden Isle)! With water reaching 82°F at most and 81°F on average, spending time in the water is very pleasant.

Note also that in september, the climate is good with an average outside temperature of 80°F, 3.3in of precipitation (over 4 days) and 77.49 % humidity.

Water and normal seasonal temperatures in Kauai (Garden Isle) in september

September
Average sea temperature 81°F
Minimum sea temperature 79°F
Maximum sea temperature 82°F
Average outside temperature 81°F
Maximum outside temperature 83°F
Minimum outside temperature 79°F
Wind speed 13.1mph
Wind temperature 79°F
Precipitation 3.3in
Number of days of rain 4 jour(s)
(15%)
Humidity 78%
Visibility in kilometers 9.67km
Cloud cover 38%
Our opinion ideal swimming

Swim elsewhere in Hawaii in september

City Average T° Max. T° Our opinion
Honolulu (Oahu) in september81°F83°Fideal swimming
Maui in september81°F83°Fideal swimming
Captain Cook in september80°F82°Fideal swimming
Hana in september80°F82°Fideal swimming
Hilo in september79°F81°Fideal swimming
Kahului in september80°F82°Fideal swimming
Kekaha in september81°F82°Fideal swimming
Kilauea in september80°F82°Fideal swimming
La'ie in september81°F82°Fideal swimming
Molokai in september81°F83°Fideal swimming
Niihau in september81°F82°Fideal swimming
Pahala in september80°F82°Fideal swimming
Waianae in september81°F83°Fideal swimming
Kihei in september81°F82°Fideal swimming

Swim in Hawaii in september: sea temperature by city

Change units