United States · 1991–2020 normal

Topsham in
September.

Typical September weather in Topsham: 21.2°C by day, 10.2°C at night, 111 mm of rain over 7.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high21.2°C
Typical low10.2°C
Rain111 mm
Wet days7.8

Comfort score 67 this month (August leads the year at 85). Daylight is calculated as 12 h 27 from latitude 43.93°. Open-water sea temperature is 14.7°C (29 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4980927
NOAA station
USW00014611 · BRUNSWICK NAS
Station distance
4.6 km from the place centre
Coverage
Good coverage · 16 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.