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Dalian in September

Find out everything about the water temperature in Dalian in September. Average, minimum and maximum recorded temperatures as well as daily temperature in September for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in September
Minimum:

68.1 °F

Average:

73.4 °F

Maximum:

79.8 °F

Sea water temperature in Dalian in September

In the city of Dalian, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 68.1°F on September 30, 2016, with an average temperature being 73.4°F and a maximum temperature reaching 79.8°F on September 1, 2024.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. Throughout the month of September, the sea temperature gradually gets colder. Starting with an average temperature of 75.1°F at the beginning of the month, it steadily decreases to around 71.2°F by the end.
Date 10 years average 2024 2023
Sep 1 75.8°F 79.8°F 75.6°F
Sep 2 75.5°F 78.2°F 75.6°F
Sep 3 75.3°F 77.7°F 75.5°F
Sep 4 75.2°F 77.7°F 75.3°F
Sep 5 75.1°F 78.9°F 76.1°F
Sep 6 75.0°F 77.4°F 76.3°F
Sep 7 74.8°F 76.6°F 76.9°F
Sep 8 74.9°F 77.2°F 76.6°F
Sep 9 74.9°F 77.3°F 77.6°F
Sep 10 75.0°F 77.9°F 77.2°F
Sep 11 74.9°F 77.5°F 77.5°F
Sep 12 74.6°F 76.3°F 77.4°F
Sep 13 74.3°F 76.4°F 77.3°F
Sep 14 74.3°F 75.7°F 76.1°F
Sep 15 74.0°F 75.7°F 75.3°F
Sep 16 73.8°F 75.3°F 75.9°F
Sep 17 73.5°F 75.6°F 76.0°F
Sep 18 73.4°F 75.9°F 76.3°F
Sep 19 72.9°F 75.7°F 76.3°F
Sep 20 72.7°F 75.6°F 75.5°F
Sep 21 72.2°F 73.4°F 74.7°F
Sep 22 71.9°F 72.2°F 75.1°F
Sep 23 71.8°F 72.1°F 75.2°F
Sep 24 71.6°F 71.9°F 74.6°F
Sep 25 71.4°F 71.5°F 73.8°F
Sep 26 71.1°F 71.5°F 73.1°F
Sep 27 70.9°F 71.6°F 73.4°F
Sep 28 70.5°F 71.1°F 72.6°F
Sep 29 70.4°F 71.0°F 72.2°F
Sep 30 70.2°F 70.9°F 72.2°F

Sea water temperature in Dalian by month

In Dalian, the months July through August offer comfortable swimming conditions, which amounts to 68 swimming days. The warmest water in Dalian was recorded on August 19, 2024, reaching a 84.2°F. While the coldest temperature occurred on February 20, 2016, dipping to 33.2°F. The average readings by season are 41.5°F in Winter, 46.3°F in Spring, 72.6°F in Summer, and 64.5°F in Autumn. September's average temperature is a slight drop from August's average of 78.2°F. In October, the temperature is expected to decrease further, potentially averaging around 64.5°F.