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Honchō in September

Find out everything about the water temperature in Honchō 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:

73.3 °F

Average:

79.5 °F

Maximum:

87.1 °F

Sea water temperature in Honchō in September

In the city of Honchō, the month of September is a great time for swimming. The minimum recorded temperature during this month was 73.3°F on September 29, 2021, with an average temperature being 79.5°F and a maximum temperature reaching 87.1°F on September 1, 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 81.7°F at the beginning of the month, it steadily decreases to around 77.0°F by the end.
Date 10 years average 2025 2024
Sep 1 82.6°F 87.1°F 82.5°F
Sep 2 82.4°F 86.3°F 84.2°F
Sep 3 82.1°F 85.3°F 83.0°F
Sep 4 81.6°F 84.3°F 82.6°F
Sep 5 81.6°F 83.6°F 82.0°F
Sep 6 81.4°F 83.4°F 82.2°F
Sep 7 81.4°F 84.2°F 82.9°F
Sep 8 81.4°F 83.4°F 84.2°F
Sep 9 81.4°F 85.1°F 83.8°F
Sep 10 81.3°F 84.7°F 85.2°F
Sep 11 81.1°F 84.7°F 84.4°F
Sep 12 80.5°F 84.2°F 83.2°F
Sep 13 80.7°F 84.4°F 85.2°F
Sep 14 80.6°F 84.0°F 84.7°F
Sep 15 80.1°F 83.6°F 84.5°F
Sep 16 79.4°F 82.6°F 83.3°F
Sep 17 79.0°F 82.8°F 82.6°F
Sep 18 79.3°F 83.6°F 83.5°F
Sep 19 79.3°F 82.9°F 83.5°F
Sep 20 78.9°F 82.3°F 84.6°F
Sep 21 78.7°F 82.6°F 84.4°F
Sep 22 78.2°F 82.1°F 83.5°F
Sep 23 77.7°F 79.3°F 82.7°F
Sep 24 77.4°F 77.9°F 82.0°F
Sep 25 77.1°F 78.1°F 80.3°F
Sep 26 76.5°F 78.1°F 79.4°F
Sep 27 76.3°F 77.5°F 78.5°F
Sep 28 76.2°F 76.9°F 77.8°F
Sep 29 75.9°F 77.7°F 77.3°F
Sep 30 76.2°F 77.4°F 77.1°F

Sea water temperature in Honchō by month

In Honchō, the months July through September offer comfortable swimming conditions, which amounts to 113 swimming days. The warmest water in Honchō was recorded on July 30, 2024, reaching a 88.7°F. While the coldest temperature occurred on February 16, 2022, dipping to 46.0°F. The average readings by season are 53.8°F in Winter, 60.3°F in Spring, 78.4°F in Summer, and 71.7°F in Autumn. September's average temperature is a slight drop from August's average of 83.0°F. In October, the temperature is expected to decrease further, potentially averaging around 71.5°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Matsudo 48.5°F 7mi
Chiba 49.5°F 10mi
Ichihara 50.0°F 14mi
Tokyo 48.8°F 17mi
Kawasaki 50.2°F 20mi
Kisarazu 52.1°F 22mi
Kimitsu 52.4°F 25mi
Yokohama 52.6°F 26mi
Futtsu 54.5°F 29mi
Yokosuka 57.1°F 34mi

* current water temperature in this city

** straight line distance from Honchō