September weather forecast
Pyhäjoki, Finland

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Weather in September

September in Pyhäjoki, Finland, marks the move from summer towards fall. With a drop in sea temperature to 12.7°C (54.9°F), there's a noticeable shift from the warm August. This cooler weather gradually descends into October, with its further shortened daylight hours. The weather change in September paints the Finnish landscapes with vibrant fall colors, appealing to all nature lovers.

Sea temperature

In Pyhäjoki, the average seawater temperature in September is 12.7°C (54.9°F).
Note: If planning to swim in 12.7°C (54.9°F) under 10°C (50°F), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 13°C (55.4°F) is not much warmer.

Daylight

In Pyhäjoki, the average length of the day in September is 13h and 2min.
On the first day of September in Pyhäjoki, sunrise is at 06:05 and sunset at 20:39. On the last day of the month, sunrise is at 07:30 and sunset at 18:54 EEST.
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Frequently asked questions

What is the water temperature in September in Pyhäjoki?

In September, the average sea temperature is 12.7°C (54.9°F). Swimming in 12.7°C (54.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Pyhäjoki have in September?

In Pyhäjoki, Finland, the average day length in September is 13h and 2min.

What time are sunrise and sunset in September in Pyhäjoki?

In September, on the first day of the month, sunrise is at 06:05 and sunset at 20:39. On the last day of the month, in Pyhäjoki, sunrise is at 07:30 and sunset at 18:54 EEST.

Average sea temperature in September
Pyhäjoki, Finland

Average sea temperature in September - Pyhäjoki, Finland
  • Average sea temperature in September: 12.7°C

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest months (with the lowest average sea temperature) are February and April (-0.3°C).

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Average daylight in September
Pyhäjoki, Finland

Average daylight in September - Pyhäjoki, Finland
  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 21h and 6min).
The month with the shortest days is December (Average daylight: 4h and 12min).

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Pyhäjoki, Finland

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