Neum
Bosnia and Herzegovina
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Neum, Bosnia and Herzegovina

Sea temperature

In Neum, Bosnia and Herzegovina, the average seawater temperature in September is 24.3°C (75.7°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.3°C (75.7°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in September in Neum is 12.5h.

How warm is the water in September in Neum?

In Neum, in September, the average water temperature is 24.3°C (75.7°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.3°C (75.7°F) water may be enjoyable.

What is the average length of the day in September in Neum?

In September, the average length of the day is 12.5h.
Average sea temperature in September - Neum, Bosnia and Herzegovina
  • Average sea temperature in September: 24.3°C

Best months for swimming (with the highest average sea temperature) are July and August (25.3°C).
The coldest month (with the lowest average sea temperature) is January (14°C).

Average daylight in September - Neum, Bosnia and Herzegovina
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).