September weather forecast
Isabela City, Philippines

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Weather in September

An excellent water temperature of 28.8°C (83.8°F) makes September in Isabela City, Philippines, a prime for swimming and other water activities.

Sea temperature

In Isabela City, the average seawater temperature in September is 28.8°C (83.8°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

In September, the average length of the day in Isabela City, Philippines, is 12h and 10min.
On the first day of the month, sunrise is at 5:44 am and sunset at 5:59 pm. On the last day of September, sunrise is at 5:40 am and sunset at 5:44 pm PST.
Updated: Feb 7, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How warm is the water in September in Isabela City?

In Isabela City, Philippines, the average seawater temperature in September is 28.8°C (83.8°F). 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.

What is the average length of the day in September in Isabela City?

In September, the average day length in Isabela City, Philippines, is 12h and 10min.

What time are sunrise and sunset in September in Isabela City?

On the first day of September in Isabela City, sunrise is at 5:44 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 5:44 pm PST.

Average sea temperature in September
Isabela City, Philippines

Average sea temperature in September - Isabela City, Philippines
  • Average sea temperature in September: 28.8°C

The best month for swimming (with the highest average sea temperature) is November (29.5°C).
The coldest month (with the lowest average sea temperature) is February (27.8°C).

Average daylight in September
Isabela City, Philippines

Average daylight in September - Isabela City, Philippines
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

Isabela City, Philippines

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