United States · 1991–2020 normal
Portola in
September.
Typical September weather in Portola: 25.9°C by day, 2.9°C at night, 11 mm of rain over 1.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high25.9°C
Typical low2.9°C
Rain11 mm
Wet days1.6
Comfort score 72 this month (June leads the year at 77). Daylight is calculated as 12 h 24 from latitude 39.81°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5384438
- NOAA station
- USC00047085 · PORTOLA
- Station distance
- 0.6 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.