United States · 1991–2020 normal
Westmont in
September.
Typical September weather in Westmont: 25.7°C by day, 11.7°C at night, 81 mm of rain over 6.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high25.7°C
Typical low11.7°C
Rain81 mm
Wet days6.8
Comfort score 79 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 41.80°. Open-water sea temperature is 20.1°C (30 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4916207
- NOAA station
- USC00119221 · WHEATON 3 SE
- Station distance
- 8.3 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.