September weather in Vergennes, VT
The average temperature in Vergennes in September is 61.6°F (50.6°F–72.6°F). Average precipitation: inches.
September is a fall month in Vergennes, and is warmer than the annual average of 46.3°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Daylight averages about 12h 17m. For travel, September is one of the best months of the year to visit.
Avg High
72.6°F
Avg Low
50.6°F
Precipitation
in
Daylight
12h 17m
September records in Vergennes
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 87.1°F (2015) | 48.0°F (2017) | 0.34 in (2024) |
| September 2 | 86.0°F (2015) | 39.0°F (2017) | 0.64 in (2019) |
| September 3 | 87.1°F (2015) | 44.1°F (2024) | 0.31 in (2019) |
| September 4 | 93.0°F (2018) | 43.0°F (2024) | 0.04 in (2021) |
| September 5 | 84.9°F (2025) | 48.9°F (2020) | 2.39 in (2012) |
| September 6 | 91.9°F (2018) | 46.9°F (2020) | 0.66 in (2017) |
| September 7 | 91.0°F (2023) | 50.0°F (2019) | 0.50 in (2025) |
| September 8 | 93.9°F (2015) | 45.0°F (2025) | 1.58 in (2023) |
| September 9 | 87.1°F (2015) | 39.9°F (2018) | 1.49 in (2021) |
| September 10 | 90.0°F (2015) | 42.1°F (2025) | 0.19 in (2023) |
| September 11 | 84.9°F (2022) | 43.0°F (2012) | 1.08 in (2018) |
| September 12 | 84.9°F (2019) | 37.0°F (2020) | 0.05 in (2018) |
| September 13 | 82.0°F (2022) | 41.0°F (2019) | 1.59 in (2013) |
| September 14 | 82.0°F (2012) | 39.9°F (2019) | 2.06 in (2022) |
| September 15 | 84.0°F (2018) | 39.0°F (2020) | 0.06 in (2016) |
| September 16 | 86.0°F (2018) | 37.9°F (2020) | 0.25 in (2021) |
| September 17 | 88.0°F (2018) | 39.9°F (2016) | 0.00 in (2012) |
| September 18 | 86.0°F (2015) | 42.1°F (2019) | 0.22 in (2016) |
| September 19 | 87.1°F (2018) | 34.0°F (2020) | 1.47 in (2012) |
| September 20 | 84.9°F (2015) | 30.0°F (2020) | 1.53 in (2022) |
| September 21 | 84.0°F (2016) | 28.9°F (2020) | 0.16 in (2022) |
| September 22 | 82.0°F (2019) | 28.9°F (2020) | 0.37 in (2018) |
| September 23 | 84.0°F (2016) | 30.0°F (2020) | 0.64 in (2016) |
| September 24 | 84.0°F (2017) | 37.0°F (2018) | 1.37 in (2019) |
| September 25 | 89.1°F (2017) | 36.0°F (2016) | 0.57 in (2021) |
| September 26 | 91.0°F (2017) | 36.0°F (2016) | 0.60 in (2025) |
| September 27 | 88.0°F (2017) | 39.9°F (2015) | 0.87 in (2024) |
| September 28 | 88.0°F (2017) | 39.0°F (2012) | 0.39 in (2018) |
| September 29 | 81.0°F (2025) | 39.0°F (2012) | 0.14 in (2020) |
| September 30 | 81.0°F (2025) | 34.0°F (2022) | 1.93 in (2015) |