United States · 1991–2020 normal
Darien in
September.
Typical September weather in Darien: 30.1°C by day, 21.7°C at night, 143 mm of rain over 9.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.1°C
Typical low21.7°C
Rain143 mm
Wet days9.2
Comfort score 47 this month (April leads the year at 86). Daylight is calculated as 12 h 19 from latitude 31.37°. Open-water sea temperature is 27.8°C (28 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 27.8°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 4190744
- NOAA station
- USC00097808 · SAPELO IS
- Station distance
- 14.9 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.