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Armagh September Weather

Averages and records for weather in Armagh, United Kingdom in the month of September.

Typical Armagh September Weather 1991–2020
Average daily high	17.0 °C
Average daily low	10.0 °C
Average monthly precipitation	9.7 cm
Daily chance of precipitation	61.8%

Armagh September Weather Records 1838–2024
Highest temperature	27.6 °C	September 1, 1906
Lowest temperature	-0.6 °C	September 22, 1932
Highest daily low	18.3 °C	September 6, 1898
Lowest daily high	8.4 °C	September 27, 1975
Hottest average high temperature	20.1 °C	1865
Coldest average high temperature	13.9 °C	1918
Most daily precipitation	8.1 cm	September 19, 2018
Most monthly precipitation	63.0 cm	2017

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
September 1	17.5	12.0	27.6	2.2
September 2	17.4	12.0	25.3	3.2
September 3	17.3	11.9	23.9	2.4
September 4	17.2	11.8	24.9	3.4
September 5	17.2	11.7	25.3	4.3
September 6	17.1	11.7	25.2	3.0
September 7	17.1	11.6	23.7	2.6
September 8	17.1	11.5	23.2	0.7
September 9	17.0	11.4	25.8	0.3
September 10	17.0	11.3	25.4	1.1
September 11	16.9	11.2	26.6	1.7
September 12	16.8	11.1	24.6	1.9
September 13	16.7	11.0	23.2	0.9
September 14	16.7	11.0	22.6	1.9
September 15	16.6	11.0	23.2	0.6
September 16	16.5	10.9	23.2	1.6
September 17	16.4	10.8	23.3	0.9
September 18	16.3	10.7	23.4	1.4
September 19	16.2	10.6	22.4	2.6
September 20	16.1	10.4	22.7	1.2
September 21	16.0	10.3	23.3	0.3
September 22	15.9	10.2	21.7	-0.6
September 23	15.8	10.1	21.7	1.1
September 24	15.8	10.0	21.9	0.6
September 25	15.7	9.9	20.5	1.1
September 26	15.6	9.8	23.2	-0.4
September 27	15.5	9.8	24.4	0.0
September 28	15.4	9.7	23.9	-0.1
September 29	15.3	9.6	21.7	0.3
September 30	15.3	9.5	21.9	0.2

Weather Station Details

Years	Station	Coordinates
1838–2024	Armagh	location