Swimming in Solomon islands in september 2025 Sea temperature by city in september
Do you want to go to the beach in Solomon islands in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Solomon islands by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Solomon islands in september 2025
Here, find the average sea temperature in Solomon islands in september in several coastal cities.
84°F
min: 82°F / max: 87°F
84°F
min: 82°F / max: 86°F
85°F
min: 83°F / max: 87°F
84°F
min: 81°F / max: 86°F
Where should you go swimming in Solomon islands in the month of september?
Swimming in Solomon islands in september is ideal
In september in Solomon islands swimming conditions are generally the same everywhere.
In september in Honiara, Guadalcanal Island, Malaita Island and New Georgia Islands, swimming conditions are perfect! With water reaching a maximum of 87°F and an average of 84°F, going in the water (and staying there!) feels great.
Where to go swimming in Solomon islands in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Honiara
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 82°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 86°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 13.9in | ||
| Number of days of precipitation | 19 jour(s) (62%) | ||
| Cloud cover | 44% | ||
| Our opinion | ideal swimming |
More information on swimming in Honiara in september
Guadalcanal Island
| 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 | ||
| Precipitation | 13.9in | ||
| Number of days of precipitation | 19 jour(s) (62%) | ||
| Cloud cover | 44% | ||
| Our opinion | ideal swimming |
More information on swimming in Guadalcanal Island in september
Malaita Island
| September | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 87°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 11.9in | ||
| Number of days of precipitation | 15 jour(s) (50%) | ||
| Cloud cover | 42% | ||
| Our opinion | ideal swimming |
More information on swimming in Malaita Island in september
New Georgia Islands
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 81°F | ||
| Precipitation | 19.4in | ||
| Number of days of precipitation | 21 jour(s) (70%) | ||
| Cloud cover | 47% | ||
| Our opinion | ideal swimming |
More information on swimming in New Georgia Islands in september
List of coastal cities in Solomon islands
| Honiara in september | ideal swimming |
| Guadalcanal Island in september | ideal swimming |
| Malaita Island in september | ideal swimming |
| New Georgia Islands in september | ideal swimming |