United States · 1991–2020 normal

Merrimac in
September.

Typical September weather in Merrimac: 25.5°C by day, 12.7°C at night, 114 mm of rain over 6.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high25.5°C
Typical low12.7°C
Rain114 mm
Wet days6.3

Comfort score 77 this month, the highest of the year. Daylight is calculated as 12 h 23 from latitude 38.45°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4772739
NOAA station
USC00440860 · BOSTON 4 SE
Station distance
10.5 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.