United States · 1991–2020 normal
Merrimack in
September.
Typical September weather in Merrimack: 23.8°C by day, 10.3°C at night, 103 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high23.8°C
Typical low10.3°C
Rain103 mm
Wet days8
Comfort score 77 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 42.87°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5089478
- NOAA station
- USC00275712 · NASHUA 2 NNW
- Station distance
- 8.4 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.