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Report for 2025 September
Monthly Climatological Summary for Sept 2025
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 13.7 16.4 16:16 11.9 23:14 4.6 0.0 11.6 12.6 53.0 13:10 WSW
02 13.2 17.7 13:37 10.0 02:33 5.1 0.0 7.8 6.4 36.0 13:43 SW
03 13.7 17.1 14:30 11.4 21:42 4.6 0.0 9.3 4.2 33.0 12:05 WNW
04 13.7 17.2 14:54 11.4 00:21 4.6 0.0 11.9 6.2 40.0 15:24 W
05 13.7 17.6 15:17 10.9 04:46 4.4 0.0 1.2 9.8 40.0 14:22 SW
06 15.2 16.8 23:50 13.0 06:30 3.1 0.0 16.8 13.1 81.0 22:25 ESE
07 14.4 17.8 02:51 10.2 22:31 3.9 0.0 13.8 12.9 63.0 00:14 SW
08 11.9 16.0 15:01 8.4 06:57 6.4 0.0 14.5 11.5 49.0 11:37 SW
09 14.5 19.4 16:27 11.3 02:39 3.9 0.0 9.9 10.6 53.0 04:28 SSW
10 13.3 15.7 15:26 11.5 21:09 5.0 0.0 18.6 12.3 63.0 12:24 WSW
11 11.9 15.2 17:10 9.9 10:03 6.3 0.0 13.3 12.8 51.0 14:46 WSW
12 11.2 14.1 11:06 9.3 21:15 7.1 0.0 16.1 14.3 58.0 11:33 SW
13 12.0 15.7 16:57 9.1 00:24 6.3 0.0 10.8 13.1 49.0 03:02 WSW
14 13.0 16.5 15:42 9.8 00:00 5.3 0.0 19.3 16.4 76.0 16:33 SW
15 13.5 15.7 16:48 12.3 20:14 4.8 0.0 12.6 19.4 87.0 03:09 W
16 12.8 15.0 13:06 10.0 07:56 5.5 0.0 17.1 8.2 71.0 23:20 SW
17 14.6 16.3 15:26 12.8 00:00 3.6 0.0 14.4 27.7 78.0 05:28 SW
18 14.1 16.8 14:17 9.7 06:29 4.2 0.0 11.9 16.1 67.0 16:17 SW
19 13.0 16.0 16:25 8.8 23:58 5.3 0.0 0.0 10.6 40.0 11:35 SW
20 9.9 13.7 11:19 6.7 06:23 8.4 0.0 6.5 7.0 56.0 20:37 NE
21 9.6 13.9 17:00 5.8 23:45 2.6 0.0 0.0 6.8 27.0 17:20 NNE
22 7.3 13.5 16:00 2.0 06:05 11.0 0.0 0.0 0.5 11.0 13:55 WSW
23 9.5 16.0 15:47 3.9 05:16 8.8 0.0 0.1 4.1 40.0 15:12 SSW
24 12.1 18.3 15:51 7.5 07:15 6.2 0.0 0.1 6.1 45.0 13:57 SSW
25 14.0 17.7 14:17 11.7 07:59 4.3 0.0 0.0 6.5 45.0 16:18 SSE
26 13.5 16.0 13:25 11.9 02:15 4.8 0.0 0.0 10.5 53.0 23:41 SE
27 11.9 15.3 16:35 9.4 20:11 6.3 0.0 10.9 6.1 47.0 00:03 SW
28 11.4 15.8 15:37 9.0 08:11 6.9 0.0 2.4 3.2 24.0 01:00 SW
29 13.8 15.7 14:13 10.9 00:00 4.5 0.0 8.6 17.6 58.3 21:09 SW
30 14.9 15.9 14:27 13.9 00:00 3.4 0.0 39.8 19.1 60.5 18:46 SW
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12.7 19.4 9 2.0 22 161.2 0.0 299.3 10.9 87.0 15 SW
Max >= 27.0 0
Max <= 0.0 0
Min <= 0.0 0
Min <= -18.0 0
Max Rain: 39.8 on day 30
Days of Rain: 23 (>= 0.2 mm) 22 (>= 2.0 mm) 1 (>= 20.0 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration