Bukit Mertajam
Malaysia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Bukit Mertajam, Malaysia

The ideal sea water temperature of 29.5°C (85.1°F) make September the best time for swimming and other water activities in Bukit Mertajam, Malaysia.

Sea temperature

In Bukit Mertajam, the average water temperature is 29.5°C (85.1°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.

Daylight

In Bukit Mertajam, the average length of the day in September is 12.2h.

What is the water temperature in September in Bukit Mertajam?

In Bukit Mertajam, Malaysia, in September, the average water temperature is 29.5°C (85.1°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.

What is the average length of the day in September in Bukit Mertajam?

The average length of the day in September in Bukit Mertajam, Malaysia, is 12.2h.
Average sea temperature in September - Bukit Mertajam, Malaysia
  • Average sea temperature in September: 29.5°C

The best month for swimming (with the highest average sea temperature) is May (30.5°C).
The coldest month (with the lowest average sea temperature) is January (28.7°C).

Average daylight in September - Bukit Mertajam, Malaysia
  • Average daylight in September: 12.2h

Months with the longest days are May, June and July (Average daylight: 12.4h).
Months with shortest days are January and December (Average daylight: 11.8h).