Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Alandur, India

The ideal sea water temperature of 29.3°C (84.7°F) make September the best time for swimming and other water activities in Alandur, India.

Sea temperature

In Alandur, India, in September, the average water temperature is 29.3°C (84.7°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 is 12.2h.

How warm is the water in September in Alandur?

In September, the average sea temperature in Alandur, India, is 29.3°C (84.7°F). 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.

How many hours of daylight does Alandur have in September?

The average length of the day in September is 12.2h.
Average sea temperature in September - Alandur, India
  • Average sea temperature in September: 29.3°C

The best month for swimming (with the highest average sea temperature) is May (29.5°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

Average daylight in September - Alandur, India
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).