United States · 1991–2020 normal
Acalanes Ridge in
September.
Typical September weather in Acalanes Ridge: 29.7°C by day, 14.2°C at night, 2 mm of rain over 0.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29.7°C
Typical low14.2°C
Rain2 mm
Wet days0.4
Comfort score 80 this month (May leads the year at 90). Daylight is calculated as 12 h 23 from latitude 37.90°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 7315192
- NOAA station
- USC00041967 · CONCORD WWTP
- Station distance
- 8.8 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.