Swimming in Guadalcanal Island in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Guadalcanal Island in september 2025.

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

Minimum: 82°F

Average: 84°F

Maximum: 86°F

Other useful seasonal weather averages in september:

  • Outside temperature: 80°F to 86°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 16.8mph
  • It rains a total of 13.9in, over 19 day(s).

Should we swim in Guadalcanal Island in september?

Yes! The water temperature in Guadalcanal Island in september is ideal

In september, swimming is ideal on the beaches around Guadalcanal Island! With water reaching 86°F at most and 84°F on average, spending time in the water is very pleasant.

Note also that in september, the climate is tolerable with an average outside temperature of 83°F, 13.9in of precipitation (over 19 days) and 84.36 % humidity.

Water and normal seasonal temperatures in Guadalcanal Island in september

September
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 86°F
Average outside temperature 85°F
Maximum outside temperature 86°F
Minimum outside temperature 81°F
Wind speed 8.1mph
Wind temperature 81°F
Precipitation 13.9in
Number of days of rain 19 jour(s)
(62%)
Humidity 85%
Visibility in kilometers 8.83km
Cloud cover 44%
Our opinion ideal swimming

Chart of the tides in september 2025

Tide times in september 2025 in Guadalcanal Island

Swim elsewhere in Solomon islands in september

City Average T° Max. T° Our opinion
Honiara in september84°F87°Fideal swimming
Malaita Island in september85°F87°Fideal swimming
New Georgia Islands in september84°F86°Fideal swimming

Swim in Solomon islands in september: sea temperature by city

Change units