United States · 1991–2020 normal

District Heights in
September.

Typical September weather in District Heights: 27.5°C by day, 15.8°C at night, 109 mm of rain over 7.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high27.5°C
Typical low15.8°C
Rain109 mm
Wet days7.7

Comfort score 72 this month (May leads the year at 77). Daylight is calculated as 12 h 24 from latitude 38.86°. Open-water sea temperature is 23.4°C (45 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 4353463
NOAA station
USC00186350 · NATL ARBORETUM DC
Station distance
9.3 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.