United States · 1991–2020 normal
Heathrow in
September.
Typical September weather in Heathrow: 32.1°C by day, 22.7°C at night, 160 mm of rain over 11.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high32.1°C
Typical low22.7°C
Rain160 mm
Wet days11.5
Comfort score 34 this month (November leads the year at 89). Daylight is calculated as 12 h 18 from latitude 28.76°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4158296
- NOAA station
- USC00087982 · SANFORD
- Station distance
- 10.8 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.