September weather forecast
Chenghai, China

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Weather in September

The ideal sea water temperature of 27.6°C (81.7°F) makes September in Chenghai, China, the best time for swimming and other water activities.

Sea temperature

In September, the average sea temperature is 27.6°C (81.7°F).
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.

Daylight

The average length of the day in September is 12h and 17min.
On the first day of September in Chenghai, sunrise is at 05:55 and sunset at 18:30. On the last day of the month, sunrise is at 06:04 and sunset at 18:01 CST.
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Frequently asked questions

What is the water temperature in September in Chenghai?

In Chenghai, China, the average seawater temperature in September is 27.6°C (81.7°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 Chenghai have in September?

The average day length in September in Chenghai is 12h and 17min.

When are sunrise and sunset in September in Chenghai?

On the first day of September, sunrise is at 05:55 and sunset at 18:30. On the last day of the month, sunrise is at 06:04 and sunset at 18:01 CST.

Average sea temperature in September
Chenghai, China

Average sea temperature in September - Chenghai, China
  • Average sea temperature in September: 27.6°C

The best month for swimming (with the highest average sea temperature) is July (28°C).
The coldest month (with the lowest average sea temperature) is January (17.9°C).

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Average daylight in September
Chenghai, China

Average daylight in September - Chenghai, China
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).

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Chenghai, China

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