Port Arthur in September
Find out everything about the water temperature in Port Arthur 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:
78.3 °F
Average:
83.9 °F
Maximum:
88.0 °F
Sea water temperature in Port Arthur in September
In the city of Port Arthur, the month of September is a great time for swimming. The minimum recorded temperature during this month was 78.3°F on September 27, 2021, with an average temperature being 83.9°F and a maximum temperature reaching 88.0°F on September 8, 2023.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Sep 1 | 85.4°F | 85.4°F | 86.3°F |
| Sep 2 | 85.2°F | 84.6°F | 86.3°F |
| Sep 3 | 85.2°F | 84.5°F | 86.6°F |
| Sep 4 | 85.1°F | 84.3°F | 87.0°F |
| Sep 5 | 85.1°F | 84.2°F | 86.8°F |
| Sep 6 | 85.2°F | 84.0°F | 87.9°F |
| Sep 7 | 85.0°F | 83.6°F | 87.5°F |
| Sep 8 | 84.9°F | 83.4°F | 88.0°F |
| Sep 9 | 84.7°F | 82.3°F | 88.0°F |
| Sep 10 | 84.6°F | 82.2°F | 87.1°F |
| Sep 11 | 84.3°F | 82.1°F | 86.5°F |
| Sep 12 | 83.8°F | 79.5°F | 84.6°F |
| Sep 13 | 83.7°F | 79.8°F | 85.1°F |
| Sep 14 | 83.6°F | 81.8°F | 85.0°F |
| Sep 15 | 83.3°F | 81.7°F | 84.8°F |
| Sep 16 | 83.2°F | 82.4°F | 84.6°F |
| Sep 17 | 83.3°F | 83.7°F | 84.4°F |
| Sep 18 | 83.6°F | 84.4°F | 84.4°F |
| Sep 19 | 83.7°F | 84.5°F | 84.0°F |
| Sep 20 | 83.9°F | 86.1°F | 83.8°F |
| Sep 21 | 84.0°F | 86.1°F | 84.1°F |
| Sep 22 | 84.2°F | 87.0°F | 84.9°F |
| Sep 23 | 83.8°F | 86.0°F | 85.0°F |
| Sep 24 | 83.7°F | 86.1°F | 84.8°F |
| Sep 25 | 83.4°F | 86.1°F | 84.5°F |
| Sep 26 | 83.2°F | 86.3°F | 84.1°F |
| Sep 27 | 82.8°F | 84.4°F | 84.1°F |
| Sep 28 | 82.5°F | 82.9°F | 84.3°F |
| Sep 29 | 82.2°F | 81.8°F | 84.2°F |
| Sep 30 | 82.0°F | 81.6°F | 84.9°F |
In Port Arthur, the months May through October offer comfortable swimming conditions, which amounts to 189 swimming days.
The warmest water in Port Arthur was recorded on August 4, 2023, reaching a 89.7°F. While the coldest temperature occurred on January 18, 2021, dipping to 50.7°F. The average readings by season are 59.8°F in Winter, 71.2°F in Spring, 85.5°F in Summer, and 77.1°F in Autumn.
September's average temperature is a slight drop from August's average of 86.7°F. In October, the temperature is expected to decrease further, potentially averaging around 77.8°F.