| < September >
|Sun altitude at solar noon on the 21st day.
- The average temperature in Belfast-Aldergrove in September is quite mild at 12.4 °C (54.32 °F).
- Afternoons can be very mild with average high temperatures reaching 15.9 °C (60.6 °F).
- Overnight temperatures are generally a little cool with an average low of 9 °C (48.2 °F).
- In September the mean daily temperature range/ variation is 6.9 °C (12.4 °F).
- The weather in September is dryish. Just 85mm (3.3in) of fluid descends.
- The shortest day is 11:34 long and the longest day is 13:45 long with an average length of 12:40.
Check the distance to and compare the Belfast-Aldergrove September averages with somewhere beginning with:
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Weather Trend Graph for September in Belfast-Aldergrove, Uk
Navigate to September Weather in Locations Surrounding Belfast-Aldergrove:
- Tiree, Uk - 208.4 kms (129.5 miles) N
- Malin Head, Ireland - 105.4 kms (65.5 miles) NW
- Ballykelly, Northern Ireland, Uk - 67.6 kms (42 miles) NW
- Belmullet, Ireland - 249.2 kms (154.9 miles) W
- Clones, Ireland - 81.4 kms (50.6 miles) SW
- Collooney, Sligo, Ireland - 153.5 kms (95.4 miles) WSW
- Claremorris, Ireland - 208 kms (129.2 miles) WSW
- Dublin, Ireland - 136.8 kms (85 miles) S
- Birr, Offaly, Ireland - 206.8 kms (128.5 miles) SSW
- Kilkenny, Ireland - 240.1 kms (149.2 miles) SSW
- Edinburgh, Scotland, Uk - 232.4 kms (144.4 miles) NE
- Glasgow, Scotland, Uk - 176.9 kms (109.9 miles) NE
- Eskdalemuir, Scotland, Uk - 205.6 kms (127.8 miles) ENE
- Belfast, Northern Ireland, Uk - 1.6 kms (1 miles) SSE
- Douglas, Isle Of Man, Uk - 126.5 kms (78.6 miles) ESE
- Valley, Uk - 191.9 kms (119.2 miles) SE