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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Newcastle Co. down, Down, UKN
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September
Average Temperature
High
15°
Feels 14
Low
11°
Feels 9
Average Precipitation
13 Days
Rain amount
69.1mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16°
16
16°
17
15°
18
15°
19
18°
20
15°
21
19°
22
18°
23
16°
24
17°
25
15°
26
15°
27
17°
28
15°
29
16°
30
Forecast
Tuesday, September 15, 2026
Day
16°
Feels 15
Wind
27 km/h W
Gust
41 km/h
Humidity
75%
P.O.P
40%
Rain
1-3 mm
Night
12°
Feels 10
Wind
23 km/h W
Gust
35 km/h
Humidity
92%
P.O.P
30%
Historical Averages
Sep 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.