United States · 1991–2020 normal
Port Isabel in
September.
Typical September weather in Port Isabel: 31.5°C by day, 25°C at night, 125 mm of rain over 7.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31.5°C
Typical low25°C
Rain125 mm
Wet days7.4
Comfort score 41 this month (March leads the year at 95). Daylight is calculated as 12 h 17 from latitude 26.07°. Open-water sea temperature is 28.9°C (10 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 28.9°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 4720060
- NOAA station
- USC00418487 · S PADRE IS
- Station distance
- 7.9 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.