Buffalo in September
Find out everything about the water temperature in Buffalo 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:
65.6 °F
Average:
70.9 °F
Maximum:
77.3 °F
Water temperature in Buffalo in September
In the city of Buffalo, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 65.6°F on September 10, 2025, with an average temperature being 70.9°F and a maximum temperature reaching 77.3°F on September 1, 2021.
| Date | 10 years average | 2025 | 2024 |
|---|---|---|---|
| Sep 1 | 73.0°F | 69.2°F | 72.8°F |
| Sep 2 | 72.8°F | 68.8°F | 72.1°F |
| Sep 3 | 72.8°F | 69.6°F | 71.8°F |
| Sep 4 | 72.7°F | 69.6°F | 71.0°F |
| Sep 5 | 73.0°F | 70.0°F | 71.5°F |
| Sep 6 | 72.8°F | 69.4°F | 71.0°F |
| Sep 7 | 72.9°F | 69.6°F | 71.5°F |
| Sep 8 | 72.7°F | 69.6°F | 71.2°F |
| Sep 9 | 72.1°F | 67.4°F | 70.9°F |
| Sep 10 | 71.5°F | 65.6°F | 69.0°F |
| Sep 11 | 71.2°F | 66.3°F | 68.6°F |
| Sep 12 | 71.0°F | 67.1°F | 68.6°F |
| Sep 13 | 70.9°F | 66.7°F | 68.6°F |
| Sep 14 | 70.7°F | 67.1°F | 68.5°F |
| Sep 15 | 70.4°F | 66.9°F | 68.9°F |
| Sep 16 | 70.6°F | 66.4°F | 69.2°F |
| Sep 17 | 70.4°F | 66.8°F | 69.4°F |
| Sep 18 | 70.7°F | 67.6°F | 69.7°F |
| Sep 19 | 70.7°F | 67.5°F | 69.7°F |
| Sep 20 | 70.6°F | 67.5°F | 69.4°F |
| Sep 21 | 70.5°F | 67.4°F | 70.2°F |
| Sep 22 | 70.1°F | 67.0°F | 70.5°F |
| Sep 23 | 70.0°F | 66.9°F | 70.0°F |
| Sep 24 | 69.9°F | 66.7°F | 69.8°F |
| Sep 25 | 69.5°F | 66.4°F | 69.5°F |
| Sep 26 | 69.0°F | 65.9°F | 69.2°F |
| Sep 27 | 68.9°F | 65.7°F | 68.9°F |
| Sep 28 | 68.6°F | 65.4°F | 68.5°F |
| Sep 29 | 68.1°F | 65.0°F | 66.9°F |
| Sep 30 | 67.9°F | 64.7°F | 66.8°F |
In Buffalo, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 41.
The warmest water in Buffalo was recorded on August 13, 2016, reaching a 78.9°F. While the coldest temperature occurred on January 18, 2015, dipping to 32.0°F. The average readings by season are 37.4°F in Winter, 40.9°F in Spring, 70.0°F in Summer, and 61.5°F in Autumn.
September's average temperature is a slight drop from August's average of 74.5°F. In October, the temperature is expected to decrease further, potentially averaging around 62.1°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Hamburg |
69.1°F
|
12mi |
| Hamilton |
65.1°F
|
55mi |
| Mississauga |
65.4°F
|
62mi |
* current water temperature in this city
** straight line distance from Buffalo