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Negombo in September

Find out everything about the water temperature in Negombo 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:

79.8 °F

Average:

82.5 °F

Maximum:

84.4 °F

Sea water temperature in Negombo in September

In the city of Negombo, the month of September is a great time for swimming. The minimum recorded temperature during this month was 79.8°F on September 1, 2018, with an average temperature being 82.5°F and a maximum temperature reaching 84.4°F on September 1, 2023.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. In September, the sea temperature remains relatively stable. The average temperature stays close to 82.5°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Sep 1 82.0°F 84.4°F 81.2°F
Sep 2 82.1°F 84.1°F 81.6°F
Sep 3 82.0°F 84.0°F 81.1°F
Sep 4 82.1°F 83.9°F 81.4°F
Sep 5 82.3°F 83.8°F 81.5°F
Sep 6 82.3°F 83.6°F 80.8°F
Sep 7 82.3°F 83.6°F 80.9°F
Sep 8 82.3°F 83.4°F 80.9°F
Sep 9 82.3°F 83.8°F 80.9°F
Sep 10 82.3°F 83.9°F 81.0°F
Sep 11 82.4°F 83.6°F 81.4°F
Sep 12 82.5°F 83.5°F 82.0°F
Sep 13 82.3°F 83.4°F 81.9°F
Sep 14 82.3°F 83.4°F 82.4°F
Sep 15 82.4°F 83.1°F 82.4°F
Sep 16 82.6°F 83.5°F 82.6°F
Sep 17 82.7°F 84.0°F 82.9°F
Sep 18 82.7°F 83.8°F 82.5°F
Sep 19 82.4°F 83.5°F 82.4°F
Sep 20 82.3°F 83.3°F 82.2°F
Sep 21 82.6°F 83.8°F 82.7°F
Sep 22 82.6°F 84.0°F 82.7°F
Sep 23 82.9°F 84.0°F 83.2°F
Sep 24 82.9°F 84.2°F 83.3°F
Sep 25 83.0°F 84.0°F 83.6°F
Sep 26 83.1°F 84.0°F 84.4°F
Sep 27 83.0°F 83.9°F 83.3°F
Sep 28 83.0°F 83.6°F 83.6°F
Sep 29 82.8°F 83.3°F 82.9°F
Sep 30 82.8°F 83.3°F 82.8°F

Sea water temperature in Negombo by month

In Negombo, the water temperature is comfortable for swimming all year round. The warmest water in Negombo was recorded on May 5, 2024, reaching a 89.2°F. While the coldest temperature occurred on August 27, 2018, dipping to 78.9°F. The average readings by season are 82.9°F in Winter, 85.7°F in Spring, 82.7°F in Summer, and 83.3°F in Autumn. The average temperature in September is slightly warmer than August's average of 81.9°F. And in October, the temperature is expected to rise further, potentially reaching an average of 83.3°F.