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Osaka in September

Find out everything about the water temperature in Osaka 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:

74.6 °F

Average:

79.4 °F

Maximum:

86.1 °F

Sea water temperature in Osaka in September

In the city of Osaka, the month of September is a great time for swimming. The minimum recorded temperature during this month was 74.6°F on September 25, 2019, with an average temperature being 79.4°F and a maximum temperature reaching 86.1°F on September 15, 2024.

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 81.1°F at the beginning of the month, it steadily decreases to around 77.5°F by the end.
Date 10 years average 2024 2023
Sep 1 81.8°F 81.4°F 85.3°F
Sep 2 81.3°F 81.0°F 84.2°F
Sep 3 81.2°F 83.0°F 83.8°F
Sep 4 81.2°F 82.2°F 84.2°F
Sep 5 81.4°F 82.5°F 83.9°F
Sep 6 81.2°F 82.9°F 83.5°F
Sep 7 81.1°F 84.2°F 82.0°F
Sep 8 80.8°F 83.7°F 81.1°F
Sep 9 80.6°F 83.6°F 81.0°F
Sep 10 80.6°F 84.4°F 81.0°F
Sep 11 80.5°F 84.4°F 81.1°F
Sep 12 80.3°F 84.3°F 81.2°F
Sep 13 80.3°F 84.1°F 81.7°F
Sep 14 80.0°F 84.0°F 81.6°F
Sep 15 79.7°F 86.1°F 81.9°F
Sep 16 79.4°F 84.5°F 82.5°F
Sep 17 79.4°F 86.1°F 83.8°F
Sep 18 79.2°F 85.7°F 83.1°F
Sep 19 79.0°F 85.2°F 83.7°F
Sep 20 78.7°F 85.4°F 83.0°F
Sep 21 78.4°F 85.7°F 82.5°F
Sep 22 78.1°F 84.6°F 82.0°F
Sep 23 78.0°F 83.6°F 83.0°F
Sep 24 77.5°F 82.4°F 82.3°F
Sep 25 77.1°F 81.9°F 81.1°F
Sep 26 77.0°F 81.5°F 80.2°F
Sep 27 77.3°F 82.6°F 80.4°F
Sep 28 77.2°F 81.7°F 80.7°F
Sep 29 77.1°F 81.0°F 80.5°F
Sep 30 76.7°F 80.4°F 80.8°F

Sea water temperature in Osaka by month

In Osaka, the months July through September offer comfortable swimming conditions, which amounts to 112 swimming days. The warmest water in Osaka was recorded on August 17, 2020, reaching a 86.9°F. While the coldest temperature occurred on February 17, 2018, dipping to 45.7°F. The average readings by season are 55.8°F in Winter, 59.0°F in Spring, 77.6°F in Summer, and 73.3°F in Autumn. September's average temperature is a slight drop from August's average of 82.5°F. In October, the temperature is expected to decrease further, potentially averaging around 73.4°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Amagasaki 67.6°F 5mi
Sakai 67.7°F 8mi
Nishinomiya-hama 67.9°F 10mi
Kobe 68.4°F 18mi
Kyoto 62.5°F 27mi
Ōtsu 62.5°F 30mi
Himeji 68.3°F 46mi
Maizuru 65.9°F 53mi
Tokushima 68.5°F 69mi

* current water temperature in this city

** straight line distance from Osaka