Swimming in Kauai (Garden Isle) in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Kauai (Garden Isle) in september 2025.
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 |
Chart of the tides in september 2025
Tide times in september 2025 in Kauai (Garden Isle)
Swim elsewhere in Hawaii in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Honolulu (Oahu) in september | 81°F | 83°F | ideal swimming | Maui in september | 81°F | 83°F | ideal swimming | Captain Cook in september | 80°F | 82°F | ideal swimming | Hana in september | 80°F | 82°F | ideal swimming | Hilo in september | 79°F | 81°F | ideal swimming | Kahului in september | 80°F | 82°F | ideal swimming | Kekaha in september | 81°F | 82°F | ideal swimming | Kilauea in september | 80°F | 82°F | ideal swimming | La'ie in september | 81°F | 82°F | ideal swimming | Molokai in september | 81°F | 83°F | ideal swimming | Niihau in september | 81°F | 82°F | ideal swimming | Pahala in september | 80°F | 82°F | ideal swimming | Waianae in september | 81°F | 83°F | ideal swimming | Kihei in september | 81°F | 82°F | ideal swimming |