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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:

79.0 °F

Maximum:

85.3 °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 79.0°F and a maximum temperature reaching 85.3°F on September 1, 2023.

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 80.9°F at the beginning of the month, it steadily decreases to around 76.9°F by the end.
Date 10 years average 2023 2022
Sep 1 81.8°F 85.3°F 82.7°F
Sep 2 81.3°F 84.2°F 82.3°F
Sep 3 81.1°F 83.8°F 81.3°F
Sep 4 81.1°F 84.2°F 81.2°F
Sep 5 81.2°F 83.9°F 83.2°F
Sep 6 81.1°F 83.5°F 83.0°F
Sep 7 80.8°F 82.0°F 82.7°F
Sep 8 80.5°F 81.1°F 82.1°F
Sep 9 80.3°F 81.0°F 81.9°F
Sep 10 80.2°F 81.0°F 81.6°F
Sep 11 80.2°F 81.1°F 81.5°F
Sep 12 79.9°F 81.2°F 82.5°F
Sep 13 79.9°F 81.7°F 82.8°F
Sep 14 79.6°F 81.6°F 81.8°F
Sep 15 79.1°F 81.9°F 81.4°F
Sep 16 78.9°F 82.5°F 81.8°F
Sep 17 78.8°F 83.8°F 81.3°F
Sep 18 78.6°F 83.1°F 80.7°F
Sep 19 78.3°F 83.7°F 80.4°F
Sep 20 78.0°F 83.0°F 80.1°F
Sep 21 77.7°F 82.5°F 79.3°F
Sep 22 77.5°F 82.0°F 78.9°F
Sep 23 77.4°F 83.0°F 78.6°F
Sep 24 77.1°F 82.3°F 77.8°F
Sep 25 76.6°F 81.1°F 76.0°F
Sep 26 76.6°F 80.2°F 76.2°F
Sep 27 76.8°F 80.4°F 78.7°F
Sep 28 76.8°F 80.7°F 78.2°F
Sep 29 76.7°F 80.5°F 77.8°F
Sep 30 76.3°F 80.8°F 76.0°F

Sea water temperature in Osaka by month

In Osaka, the months July through September offer comfortable swimming conditions, which amounts to 111 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, 77.5°F in Summer, and 73.0°F in Autumn. September's average temperature is a slight drop from August's average of 82.4°F. In October, the temperature is expected to decrease further, potentially averaging around 73.2°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Amagasaki 65.1°F 5mi
Sakai 64.3°F 8mi
Nishinomiya-hama 64.0°F 10mi
Kobe 62.6°F 18mi
Kyoto 65.2°F 27mi
Ōtsu 65.2°F 30mi
Himeji 62.9°F 46mi
Maizuru 62.2°F 53mi
Tokushima 63.3°F 69mi

* current water temperature in this city

** straight line distance from Osaka