United States · 1991–2020 normal

Hayward in
September.

Typical September weather in Hayward: 22.4°C by day, 9.1°C at night, 102 mm of rain over 8.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high22.4°C
Typical low9.1°C
Rain102 mm
Wet days8.7

Comfort score 69 this month (August leads the year at 73). Daylight is calculated as 12 h 29 from latitude 46.01°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5255882
NOAA station
USC00473511 · HAYWARD RS
Station distance
2.3 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.