United States · 1991–2020 normal
Ayer in
September.
Typical September weather in Ayer: 24°C by day, 11.5°C at night, 101 mm of rain over 7.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24°C
Typical low11.5°C
Rain101 mm
Wet days7.2
Comfort score 81 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 42.56°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4929501
- NOAA station
- USW00004780 · FITCHBURG MUNI AP
- Station distance
- 13.7 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.