United States · 1991–2020 normal

Winthrop in
September.

Typical September weather in Winthrop: 23°C by day, 14.6°C at night, 90 mm of rain over 7.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high23°C
Typical low14.6°C
Rain90 mm
Wet days7.1

Comfort score 85 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 42.38°. Open-water sea temperature is 17.0°C (9 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4955993
NOAA station
USW00014739 · BOSTON
Station distance
2.7 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.