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Suzhou in September

Find out everything about the water temperature in Suzhou 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:

75.3 °F

Average:

81.5 °F

Maximum:

88.9 °F

Sea water temperature in Suzhou in September

In the city of Suzhou, the month of September is a great time for swimming. The minimum recorded temperature during this month was 75.3°F on September 30, 2022, with an average temperature being 81.5°F and a maximum temperature reaching 88.9°F on September 6, 2025.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. Throughout the month of September, the sea temperature gradually gets colder. Starting with an average temperature of 84.6°F at the beginning of the month, it steadily decreases to around 78.8°F by the end.
Date 10 years average 2025 2024
Sep 1 85.4°F 88.1°F 88.5°F
Sep 2 85.4°F 87.7°F 88.0°F
Sep 3 85.3°F 87.3°F 87.6°F
Sep 4 85.0°F 86.9°F 86.6°F
Sep 5 85.0°F 88.3°F 87.0°F
Sep 6 84.9°F 88.9°F 87.2°F
Sep 7 84.6°F 88.5°F 87.1°F
Sep 8 84.0°F 88.7°F 87.2°F
Sep 9 83.4°F 87.7°F 86.9°F
Sep 10 82.9°F 86.7°F 86.9°F
Sep 11 82.7°F 85.8°F 86.1°F
Sep 12 82.1°F 85.0°F 85.2°F
Sep 13 81.6°F 84.1°F 85.6°F
Sep 14 81.1°F 83.2°F 86.7°F
Sep 15 81.1°F 82.8°F 87.5°F
Sep 16 81.2°F 86.8°F 87.1°F
Sep 17 81.1°F 87.3°F 86.5°F
Sep 18 80.8°F 86.8°F 85.4°F
Sep 19 80.4°F 84.4°F 86.1°F
Sep 20 80.0°F 83.8°F 83.4°F
Sep 21 79.8°F 83.4°F 83.1°F
Sep 22 79.5°F 82.8°F 82.4°F
Sep 23 79.2°F 81.0°F 81.8°F
Sep 24 79.0°F 81.8°F 81.3°F
Sep 25 78.9°F 81.4°F 80.8°F
Sep 26 78.7°F 81.9°F 80.3°F
Sep 27 78.5°F 82.3°F 79.8°F
Sep 28 78.1°F 83.9°F 79.3°F
Sep 29 78.1°F 84.5°F 78.9°F
Sep 30 78.0°F 83.9°F 78.9°F

Sea water temperature in Suzhou by month

In Suzhou, the months June through September offer comfortable swimming conditions, which amounts to 144 swimming days. The warmest water in Suzhou was recorded on July 26, 2017, reaching a 94.4°F. While the coldest temperature occurred on January 26, 2016, dipping to 35.8°F. The average readings by season are 45.4°F in Winter, 63.6°F in Spring, 84.1°F in Summer, and 71.3°F in Autumn. September's average temperature is a slight drop from August's average of 87.1°F. In October, the temperature is expected to decrease further, potentially averaging around 71.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Changshu 77.1°F 25mi
Wuxi 78.9°F 26mi
Zhangjiagang 77.7°F 39mi
Huzhou 80.5°F 42mi
Yixing 79.7°F 46mi
Jiangyin 77.4°F 46mi
Changzhou 77.2°F 50mi
Zhabei 78.5°F 51mi
Shanghai 78.5°F 51mi
Nantong 77.5°F 53mi

* current water temperature in this city

** straight line distance from Suzhou