Ireland · 1991–2020 normal
Letterkenny in
September.
Typical September weather in Letterkenny: 15.8°C by day, 10.9°C at night, 105 mm of rain over 16.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high15.8°C
Typical low10.9°C
Rain105 mm
Wet days16.4
Comfort score 44 this month (July leads the year at 51). Daylight is calculated as 12 h 38 from latitude 54.95°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 2962961
- NOAA station
- EI000003980 · MALIN HEAD
- Station distance
- 53.1 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.