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Gunnedah September Weather

Averages and records for weather in Gunnedah, New South Wales in the month of September.

Typical Gunnedah September Weather 1991–2020
Average daily high	22.6 °C
Average daily low	9.3 °C
Average monthly precipitation	4.8 cm
Daily chance of precipitation	19.9%

Gunnedah September Weather Records 1876–2023
Highest temperature	35.4 °C	September 27, 1878
Lowest temperature	-6.7 °C	September 12, 1880
Highest daily low	22.8 °C	September 24, 2003
Lowest daily high	8.3 °C	September 5, 1923
Hottest average high temperature	26.7 °C	2013
Coldest average high temperature	17.0 °C	1969
Most daily precipitation	5.7 cm	September 9, 1949
Most monthly precipitation	17.3 cm	2016

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	20.4	7.7	28.9	-2.8
September 2	20.5	7.8	29.4	-2.2
September 3	20.6	8.0	29.8	-1.1
September 4	20.8	8.1	28.9	-1.1
September 5	20.9	8.2	29.7	-2.2
September 6	21.0	8.3	30.8	-2.2
September 7	21.2	8.4	30.8	-2.2
September 8	21.3	8.4	32.5	-2.2
September 9	21.5	8.6	33.6	-2.2
September 10	21.7	8.8	30.6	-1.7
September 11	21.9	8.9	30.0	-1.1
September 12	22.0	9.0	30.0	-6.7
September 13	22.1	9.1	32.7	-0.3
September 14	22.3	9.2	32.8	0.0
September 15	22.4	9.3	30.8	0.6
September 16	22.5	9.3	30.0	-0.6
September 17	22.7	9.4	32.4	-0.6
September 18	22.8	9.5	32.2	-2.2
September 19	23.0	9.7	30.6	0.6
September 20	23.1	9.8	32.2	-1.1
September 21	23.3	9.9	32.2	-1.7
September 22	23.5	10.1	33.3	-0.6
September 23	23.6	10.2	35.0	-1.1
September 24	23.8	10.3	32.2	-0.6
September 25	23.9	10.4	33.2	-1.1
September 26	24.1	10.5	33.7	-1.1
September 27	24.2	10.7	35.4	-0.6
September 28	24.3	10.8	33.8	-1.1
September 29	24.5	10.9	34.2	-0.6
September 30	24.5	11.1	35.0	1.5

Weather Station Details

Years	Station	Coordinates
1948–2023	Gunnedah Resource Centre	location
1876–1947	Gunnedah Pool	location