United Kingdom · 1991–2020 normal
St Mary's in
September.
Typical September weather in St Mary's: 17.4°C by day, 12°C at night, 82 mm of rain over 12.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high17.4°C
Typical low12°C
Rain82 mm
Wet days12.2
Comfort score 58 this month (July leads the year at 67). Daylight is calculated as 12 h 32 from latitude 49.92°. Open-water sea temperature is 16.0°C (7 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 6943072
- NOAA station
- UK000003808 · CAMBORNE
- Station distance
- 77.4 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.