Mexico · 1991–2020 normal
San Blas in
September.
Typical September weather in San Blas: 34°C by day, 24.6°C at night, 345 mm of rain over 14.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high34°C
Typical low24.6°C
Rain345 mm
Wet days14.9
Comfort score 5 this month (February leads the year at 85). Daylight is calculated as 12 h 14 from latitude 21.54°. Open-water sea temperature is 30.2°C (13 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 30.2°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 3987544
- NOAA station
- MXN00018029 · SAN BLAS
- Station distance
- 1 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.