United States · 1991–2020 normal
Fairfax in
September.
Typical September weather in Fairfax: 29.9°C by day, 17.4°C at night, 92 mm of rain over 6.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29.9°C
Typical low17.4°C
Rain92 mm
Wet days6.6
Comfort score 65 this month (October leads the year at 80). Daylight is calculated as 12 h 20 from latitude 32.96°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4578047
- NOAA station
- USC00380126 · ALLENDALE 2 NW
- Station distance
- 9.9 km from the place centre
- Coverage
- Good coverage · 20 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.