United States · 1991–2020 normal
Brandywine in
September.
Typical September weather in Brandywine: 27°C by day, 16.3°C at night, 102 mm of rain over 7.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27°C
Typical low16.3°C
Rain102 mm
Wet days7.2
Comfort score 75 this month (May leads the year at 75). Daylight is calculated as 12 h 23 from latitude 38.70°. Open-water sea temperature is 23.4°C (42 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 23.4°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4349283
- NOAA station
- USC00186800 · OXON HILL
- Station distance
- 16.8 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.