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Report for 2026 September
Monthly Climatological Summary for Sept 2026
Name: Letterfrack Weather City: Letterfrack State: Co. Galway
Elevation: 40 m Lat: N 53° 33' 11" Lon: W 009° 56' 39"
Temperature (°C), Rain (mm), Wind Speed (km/h)
Heat Cool Avg
Mean Deg Deg Wind Dom
Day Temp High Time Low Time Days Days Rain Speed High Time Dir
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01 16.6 18.8 18:01 15.1 00:00 1.7 0.0 5.5 13.8 49.0 13:06 SW
02 16.8 18.8 12:51 15.0 05:17 1.6 0.0 8.0 11.0 49.0 17:05 SW
03 15.9 18.4 11:10 14.0 22:22 2.4 0.0 24.7 14.7 51.0 15:10 SW
04 14.8 17.4 17:23 13.1 04:56 3.5 0.0 7.7 11.3 51.0 03:51 WSW
05 15.5 18.9 14:12 12.4 07:00 2.8 0.0 1.7 5.5 38.0 23:03 SSW
06 17.0 19.4 15:56 13.8 21:44 1.4 0.1 8.5 16.2 73.0 10:48 SSW
07 14.5 17.0 13:09 12.2 21:11 3.8 0.0 11.6 13.1 47.0 11:07 SSW
08 13.5 16.3 15:29 11.1 05:47 4.8 0.0 1.8 3.5 38.0 01:34 WSW
09 13.3 17.6 13:50 9.2 02:24 5.0 0.0 4.4 6.2 40.0 15:40 SSW
10 15.4 18.5 15:18 12.9 01:39 2.4 0.0 15.0 10.7 56.0 01:51 SSW
11 14.9 18.5 18:32 12.0 06:36 3.4 0.0 6.0 8.9 63.0 23:58 SSW
12 16.5 19.0 15:02 14.5 23:48 1.8 0.0 16.4 12.4 67.0 04:01 SSW
13 15.8 19.0 13:57 12.7 04:22 2.5 0.0 0.8 5.4 38.0 14:22 S
14 16.0 18.3 17:30 13.8 22:42 2.3 0.0 27.6 12.4 45.0 10:51 S
15 14.3 16.9 13:06 12.2 23:55 4.0 0.0 5.1 4.3 31.0 07:42 SW
16 14.0 16.8 15:15 11.9 03:14 4.3 0.0 10.8 10.1 51.0 18:54 SSW
17 13.9 16.5 15:44 11.6 05:11 4.4 0.0 2.7 10.0 51.0 10:46 SW
18 14.8 16.4 14:28 12.9 07:36 3.5 0.0 29.8 19.1 69.0 11:13 SSW
19 14.4 16.4 14:49 12.3 23:32 3.9 0.0 0.6 12.5 47.0 13:46 SSW
20 14.1 18.0 16:09 10.6 07:38 4.2 0.0 0.6 4.0 31.0 13:31 S
21 16.5 18.4 13:38 15.3 08:09 1.8 0.0 1.4 14.0 42.0 14:06 S
22 14.7 16.1 00:17 12.3 21:57 3.6 0.0 14.6 5.5 42.0 02:25 S
23 12.6 16.8 17:18 8.9 06:58 5.7 0.0 0.2 1.1 22.0 23:44 SSW
24 14.4 16.6 12:41 12.9 02:35 3.9 0.0 13.4 13.4 67.0 13:33 S
25 14.1 16.7 13:40 11.7 07:42 4.2 0.0 4.8 16.5 56.0 21:06 SSW
26 14.9 17.6 13:36 12.4 05:24 3.4 0.0 6.5 20.4 73.0 14:54 SSW
27 13.4 15.8 13:59 9.3 21:53 4.7 0.0 6.4 9.3 58.0 00:15 SSW
28 13.1 17.3 15:23 9.5 04:56 5.2 0.0 2.1 8.8 40.0 21:06 S
29 16.5 19.7 17:24 13.7 03:14 2.1 0.2 4.9 15.8 80.6 19:29 SSE
30 14.0 15.5 15:51 12.4 22:49 4.3 0.0 13.8 20.1 64.8 13:56 NW
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14.9 19.7 29 8.9 23 102.6 0.3 257.4 11.0 80.6 29 SSW
Max >= 27.0 0
Max <= 0.0 0
Min <= 0.0 0
Min <= -18.0 0
Max Rain: 29.8 on day 18
Days of Rain: 30 (>= 0.2 mm) 23 (>= 2.0 mm) 3 (>= 20.0 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration