September begins the East End year for people who live here. Labor Day, the first Monday of the month, ends the summer-season lease, and the winter rental season begins the following week. Day length falls to 12 h 32 min on the 15th, and day and night are about equal at the equinox around the 22nd. The winter rental page explains the dates and the terms.
| Measure | Normal |
|---|---|
| Average high and low, Bridgehampton | 73° / 56° |
| Average high and low, Montauk | 73° / 60° |
| Precipitation, Bridgehampton | 4.8 in |
| Snow, Bridgehampton | none |
| Sunrise and sunset on the 15th | 6:29 a.m. / 7:01 p.m. |
| Daylight on the 15th | 12 h 32 min |
The winter rental window
Curbed Hamptons described the winter rental as the entire off-season “from the week after Labor Day right up until the following Memorial Day Weekend.” Hamptons Key lists monthly rentals and notes that you should ask the broker which months are open.
Weather
September is still warm, with an average high of 73° and a low of 56° at Bridgehampton. It is also wetter than the summer, at 4.8 inches. The Atlantic hurricane season, June 1 to November 30 per the National Hurricane Center, continues, so September is a month for storm preparation on the East End.
Daylight
Sunrise on the 15th is 6:29 a.m. and sunset 7:01 p.m. The September equinox falls around the 22nd.
Sources
- NOAA NCEI, U.S. Climate Normals 1991-2020, monthly (Bridgehampton, Montauk Airport, Westhampton Gabreski Airport)
- NOAA Global Monitoring Laboratory, solar calculation equations (applied to Bridgehampton)
- Curbed Hamptons, Tell us about your winter rental experience (2018)
- NOAA National Hurricane Center, Climatology
Checked October 2026. Rules, fees and hours change; confirm with the office or operator before you act.