Hamilton in September
Find out everything about the water temperature in Hamilton 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 water temperature data with other months of the year.
Water temperature in September
Minimum:
62.0 °F
Average:
68.2 °F
Maximum:
75.7 °F
Water temperature in Hamilton in September
In the city of Hamilton, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 62.0°F on September 23, 2020, with an average temperature being 68.2°F and a maximum temperature reaching 75.7°F on September 1, 2021.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Sep 1 | 70.1°F | 70.3°F | 64.7°F |
| Sep 2 | 69.9°F | 71.0°F | 65.1°F |
| Sep 3 | 69.8°F | 70.7°F | 65.7°F |
| Sep 4 | 69.9°F | 70.1°F | 67.1°F |
| Sep 5 | 69.7°F | 69.9°F | 66.9°F |
| Sep 6 | 69.7°F | 70.4°F | 69.4°F |
| Sep 7 | 69.8°F | 70.2°F | 71.0°F |
| Sep 8 | 69.6°F | 69.5°F | 70.9°F |
| Sep 9 | 69.1°F | 68.5°F | 70.0°F |
| Sep 10 | 68.8°F | 67.9°F | 69.8°F |
| Sep 11 | 68.5°F | 66.6°F | 69.6°F |
| Sep 12 | 68.3°F | 66.4°F | 68.5°F |
| Sep 13 | 68.3°F | 67.2°F | 68.6°F |
| Sep 14 | 68.0°F | 67.1°F | 68.7°F |
| Sep 15 | 67.9°F | 67.3°F | 68.0°F |
| Sep 16 | 68.1°F | 69.2°F | 68.0°F |
| Sep 17 | 68.0°F | 70.7°F | 67.4°F |
| Sep 18 | 68.1°F | 70.6°F | 67.3°F |
| Sep 19 | 68.2°F | 70.4°F | 67.2°F |
| Sep 20 | 67.9°F | 67.4°F | 67.3°F |
| Sep 21 | 67.7°F | 67.8°F | 66.6°F |
| Sep 22 | 67.7°F | 69.1°F | 66.5°F |
| Sep 23 | 67.6°F | 69.1°F | 65.4°F |
| Sep 24 | 67.2°F | 68.6°F | 66.3°F |
| Sep 25 | 66.9°F | 68.2°F | 66.2°F |
| Sep 26 | 66.6°F | 68.1°F | 66.3°F |
| Sep 27 | 66.6°F | 67.7°F | 66.4°F |
| Sep 28 | 66.3°F | 67.3°F | 66.1°F |
| Sep 29 | 66.0°F | 67.0°F | 65.8°F |
| Sep 30 | 65.9°F | 68.4°F | 65.5°F |
In an average year, Hamilton offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Hamilton was recorded on August 28, 2021, reaching a 77.8°F. While the coldest temperature occurred on February 20, 2015, dipping to 32.0°F. The average readings by season are 38.1°F in Winter, 40.9°F in Spring, 66.1°F in Summer, and 58.2°F in Autumn.
September's average temperature is a slight drop from August's average of 70.8°F. In October, the temperature is expected to decrease further, potentially averaging around 59.0°F.