Butterworth
Malaysia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Butterworth, 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 Butterworth, Malaysia.

Sea temperature

In Butterworth, the average seawater temperature in September is 29.5°C (85.1°F).
Note: 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.

Daylight

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

How warm is the water in September in Butterworth?

In September, the average sea temperature in Butterworth, Malaysia, 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.

How many hours of daylight does Butterworth have in September?

The average length of the day in September in Butterworth, Malaysia, is 12.2h.
Average sea temperature in September - Butterworth, 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 - Butterworth, 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).