Weather in September
The ideal sea water temperature of 28.3°C (82.9°F) makes September
, Sri Lanka
, the best time for swimming and other water activities.
In Tangalle, the average seawater temperature in September is 28.3°C (82.9°F).Note
: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
The average length of the day in September in Tangalle, Sri Lanka, is 12h and 9min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:14. On the last day of September, sunrise is at 05:54 and sunset at 17:59 +0530.