Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Muar, Malaysia

The ideal sea water temperature of 29.7°C (85.5°F) make September the best time for swimming and other water activities in Muar, Malaysia.

Sea temperature

In Muar, in September, the average water temperature is 29.7°C (85.5°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.


In Muar, Malaysia, the average length of the day in September is 12.1h.

What is the sea water temperature in September in Muar?

In Muar, the average seawater temperature in September is 29.7°C (85.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Muar have in September?

In Muar, the average length of the day in September is 12.1h.
Average sea temperature in September - Muar, Malaysia
  • Average sea temperature in September: 29.7°C

Best months for swimming (with the highest average sea temperature) are May and June (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.8°C).

Average daylight in September - Muar, Malaysia
  • Average daylight in September: 12.1h

Months with the longest days are April, May, June, July and August (Average daylight: 12.2h).
Months with shortest days are January, November and December (Average daylight: 12h).