Swimming in Sierra Leone in september 2025 Sea temperature by city in september
Do you want to go to the beach in Sierra Leone 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 Sierra Leone by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Sierra Leone in september 2025
Here, find the average sea temperature in Sierra Leone in september in several coastal cities.
82°F
min: 81°F / max: 84°F
Bonthe
82°F
min: 80°F / max: 83°F
Where should you go swimming in Sierra Leone in the month of september?
Swimming in Sierra Leone in september is ideal
In september in Sierra Leone swimming conditions are generally the same everywhere.
In september in Freetown and Bonthe, swimming conditions are perfect! With water reaching a maximum of 84°F and an average of 82°F, going in the water (and staying there!) feels great.
Where to go swimming in Sierra Leone in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Freetown
| September | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 84°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 21in | ||
| Number of days of precipitation | 23 jour(s) (78%) | ||
| Cloud cover | 56% | ||
| Our opinion | ideal swimming |
More information on swimming in Freetown in september
Bonthe
| September | |||
| Average sea temperature | 82°F | ||
| Minimum sea temperature | 80°F | ||
| Maximum sea temperature | 83°F | ||
| Average outside temperature | 81°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 25.7in | ||
| Number of days of precipitation | 24 jour(s) (80%) | ||
| Cloud cover | 63% | ||
| Our opinion | ideal swimming |
List of coastal cities in Sierra Leone
| Freetown in september | ideal swimming |
| Bonthe in september | ideal swimming |