September weather in Bayville, NY
The average temperature in Bayville in September is °F (°F–°F). Average precipitation: 4.12 inches.
September is a fall month in Bayville, and is cooler than the annual average of 0°F. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
4.12 in
Daylight
12h 15m
September records in Bayville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 82.9°F (2021) | 51.1°F (2025) | 0.58 in (2020) |
| September 2 | 82.9°F (2022) | 48.9°F (2017) | 4.50 in (2021) |
| September 3 | 78.1°F (2020) | 53.1°F (2021) | 0.60 in (2017) |
| September 4 | 86.0°F (2023) | 52.0°F (2024) | 0.48 in (2020) |
| September 5 | 88.0°F (2018) | 52.0°F (2024) | 0.03 in (2020) |
| September 6 | 91.0°F (2018) | 57.0°F (2019) | 1.38 in (2022) |
| September 7 | 90.0°F (2018) | 55.0°F (2019) | 1.25 in (2022) |
| September 8 | 93.0°F (2023) | 51.1°F (2017) | 0.57 in (2025) |
| September 9 | 86.0°F (2023) | 48.9°F (2024) | 0.18 in (2021) |
| September 10 | 84.0°F (2023) | 53.1°F (2024) | 0.90 in (2020) |
| September 11 | 82.9°F (2022) | 48.9°F (2017) | 0.65 in (2023) |
| September 12 | 82.0°F (2019) | 52.0°F (2024) | 0.82 in (2023) |
| September 13 | 82.0°F (2019) | 54.0°F (2019) | 1.22 in (2022) |
| September 14 | 82.9°F (2017) | 51.1°F (2019) | 0.08 in (2023) |
| September 15 | 80.1°F (2017) | 51.1°F (2020) | 0.00 in (2017) |
| September 16 | 82.0°F (2021) | 48.0°F (2020) | 0.00 in (2017) |
| September 17 | 78.1°F (2017) | 48.0°F (2022) | 0.00 in (2017) |
| September 18 | 77.0°F (2023) | 51.1°F (2023) | 0.32 in (2023) |
| September 19 | 81.0°F (2021) | 43.0°F (2019) | 1.20 in (2018) |
| September 20 | 84.9°F (2022) | 43.0°F (2019) | 0.55 in (2017) |
| September 21 | 75.9°F (2017) | 41.0°F (2020) | 0.00 in (2017) |
| September 22 | 79.0°F (2019) | 41.0°F (2020) | 0.00 in (2017) |
| September 23 | 82.0°F (2019) | 46.9°F (2020) | 0.40 in (2022) |
| September 24 | 82.9°F (2017) | 43.0°F (2022) | 2.93 in (2021) |
| September 25 | 84.9°F (2017) | 43.0°F (2022) | 0.65 in (2023) |
| September 26 | 84.0°F (2017) | 55.0°F (2021) | 1.50 in (2018) |
| September 27 | 80.1°F (2025) | 50.0°F (2023) | 0.26 in (2023) |
| September 28 | 81.0°F (2017) | 48.0°F (2022) | 1.84 in (2018) |
| September 29 | 80.1°F (2025) | 48.0°F (2017) | 1.27 in (2023) |
| September 30 | 75.0°F (2019) | 48.9°F (2017) | 3.58 in (2023) |