Arnside & Silverdale AONB Weather

Monthly Reports

Report for Month of September 2025

Missing Data
	Arnside
Day	Minutes
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	90!
Sep 2025	90

Mean Temperature
	Arnside
Day	°C
1	15.5
2	15.2
3	15.0
4	14.2
5	14.5
6	15.5
7	16.8
8	14.4
9	14.2
10	15.1
11	13.3
12	13.2
13	12.5
14	11.9
15	14.2
16	14.2
17	14.6
18	15.6
19	16.8
20	11.9
21	10.5
22	8.6
23	9.3
24	10.2
25	11.3
26	10.8
27	12.9
28	12.0
29	9.6
30	12.9
Sep 2025	13.2

Low Temperature
	Arnside
Day	°C	When
1	13.5	06:30
2	12.4	06:30
3	13.8	00:30
4	11.7	07:30
5	11.1	07:00
6	10.3	06:30
7	14.6	00:00
8	11.1	23:30
9	7.4	07:00
10	13.6	00:30
11	10.7	22:00
12	10.7	23:30
13	10.2	07:30
14	7.2	07:00
15	12.3	08:30
16	13.0	10:00
17	11.1	06:30
18	13.8	04:00
19	15.9	21:30
20	8.8	23:00
21	6.3	08:30
22	2.9	07:30
23	4.4	03:00
24	4.6	05:00
25	4.8	07:00
26	4.7	06:30
27	11.1	04:30
28	7.2	00:00
29	3.4	07:00
30	9.7	03:30
Sep 2025	2.9	22/09

High Temperature
	Arnside
Day	°C	When
1	17.9	16:00
2	19.4	15:30
3	17.1	15:00
4	17.4	17:30
5	18.0	13:30
6	20.7	16:30
7	18.4	10:30
8	17.7	16:00
9	20.9	17:00
10	18.4	13:30
11	15.4	15:30
12	15.8	16:00
13	15.4	14:30
14	15.4	00:00
15	15.3	00:30
16	16.0	15:30
17	18.3	15:00
18	17.4	22:30
19	17.8	13:00
20	16.1	00:30
21	16.2	16:00
22	15.7	16:00
23	15.7	14:00
24	17.4	15:00
25	19.1	17:00
26	17.5	14:30
27	15.8	13:30
28	16.0	16:00
29	15.1	17:00
30	16.5	15:30
Sep 2025	20.9	09/09

Heating Required
	Arnside
Day	°C Days
1	2.8
2	3.1
3	3.3
4	4.1
5	3.8
6	3.2
7	1.5
8	3.9
9	4.4
10	3.2
11	5.0
12	5.1
13	5.8
14	6.4
15	4.1
16	4.1
17	3.7
18	2.7
19	1.5
20	6.4
21	7.8
22	9.7
23	9.0
24	8.1
25	7.0
26	7.5
27	5.4
28	6.3
29	8.7
30	5.1
Sep 2025	152.7

Cooling Required
	Arnside
Day	°C Days
1	0.0
2	0.0
3	0.0
4	0.0
5	0.0
6	0.4
7	0.0
8	0.0
9	0.3
10	0.0
11	0.0
12	0.0
13	0.0
14	0.0
15	0.0
16	0.0
17	0.0
18	0.0
19	0.0
20	0.0
21	0.0
22	0.0
23	0.0
24	0.0
25	0.0
26	0.0
27	0.0
28	0.0
29	0.0
30	0.0
Sep 2025	0.7

Rain
	Arnside
Day	mm
1	2.2
2	0.0
3	0.0
4	0.0
5	0.0
6	0.0
7	0.0
8	0.0
9	0.8
10	3.4
11	9.8
12	9.0
13	19.0
14	6.0
15	18.8
16	4.2
17	21.4
18	1.4
19	10.0
20	24.4
21	0.2
22	0.0
23	0.0
24	0.0
25	0.0
26	0.0
27	7.2
28	0.0
29	0.0
30	0.2
Sep 2025	138.0

High Rain Rate
	Arnside
Day	mm/Hr	When
1	4.4	05:00
2	0.0	00:30
3	0.0	00:30
4	0.0	00:30
5	0.0	00:30
6	0.0	00:30
7	0.0	00:30
8	0.0	00:30
9	606.4	10:30
10	5.2	19:30
11	92.2	11:00
12	54.6	01:30
13	67.0	06:00
14	25.0	21:30
15	60.0	08:30
16	6.6	05:00
17	7.0	10:30
18	7.0	17:00
19	3.0	09:00
20	7.0	17:30
21	0.0	00:30
22	0.0	00:30
23	0.0	00:30
24	0.0	00:30
25	0.0	00:30
26	0.0	00:30
27	11.0	20:30
28	0.0	00:30
29	0.0	00:30
30	0.0	00:30
Sep 2025	606.4	09/09

Mean UV Index
	Arnside
Day	Index
1	0.2
2	0.3
3	0.2
4	0.2
5	0.3
6	0.3
7	0.0
8	0.3
9	0.3
10	0.1
11	0.2
12	0.3
13	0.2
14	0.1
15	0.1
16	0.2
17	0.1
18	0.2
19	0.1
20	0.0
21	0.2
22	0.2
23	0.3
24	0.2
25	0.2
26	0.1
27	0.1
28	0.1
29	0.1
30	0.1
Sep 2025	0.2

High UV Index
	Arnside
Day	Index	When
1	2.2	13:30
2	2.3	13:30
3	2.2	14:00
4	1.3	14:30
5	2.1	13:00
6	1.6	12:30
7	0.6	12:30
8	1.9	13:30
9	2.2	13:30
10	1.3	12:30
11	2.1	13:30
12	2.0	13:30
13	2.0	14:00
14	1.0	14:00
15	1.7	12:30
16	1.8	13:30
17	1.7	15:00
18	1.2	12:30
19	1.1	13:30
20	0.5	12:00
21	1.5	13:30
22	1.5	13:30
23	1.6	13:30
24	1.6	13:30
25	1.4	13:30
26	1.4	13:30
27	1.0	13:30
28	1.2	13:30
29	0.8	12:00
30	0.8	12:30
Sep 2025	2.3	02/09

Mean Solar Radiation
	Arnside
Day	W/m2
1	85
2	116
3	62
4	91
5	129
6	86
7	23
8	121
9	115
10	46
11	84
12	95
13	92
14	43
15	40
16	70
17	47
18	41
19	35
20	20
21	104
22	105
23	107
24	94
25	98
26	46
27	46
28	65
29	45
30	44
Sep 2025	73

High Solar Radiation
	Arnside
Day	W/m2	When
1	810	15:00
2	814	14:30
3	775	15:30
4	541	16:30
5	846	13:30
6	420	16:00
7	132	12:30
8	740	13:30
9	693	13:30
10	446	12:30
11	838	14:00
12	752	14:00
13	823	14:00
14	258	14:00
15	381	14:30
16	731	14:00
17	622	15:00
18	248	15:00
19	248	13:30
20	120	14:00
21	701	14:00
22	582	13:30
23	577	13:30
24	650	14:30
25	628	14:30
26	659	14:00
27	434	13:30
28	652	13:30
29	251	17:00
30	236	10:30
Sep 2025	846	05/09

Evapo- transpiration
	Arnside
Day	mm
1	1.928
2	1.752
3	1.040
4	1.294
5	1.979
6	1.469
7	0.604
8	2.002
9	2.105
10	1.064
11	1.722
12	1.826
13	1.497
14	0.760
15	1.112
16	1.470
17	0.936
18	0.960
19	0.810
20	0.403
21	1.595
22	1.370
23	1.446
24	1.244
25	1.395
26	0.684
27	0.913
28	0.940
29	0.508
30	0.559
Sep 2025	37.387

Average Wind
	Arnside
Day	Mph
1	7.2
2	3.0
3	2.5
4	1.5
5	2.8
6	1.2
7	2.3
8	3.9
9	2.3
10	3.0
11	5.9
12	5.2
13	5.4
14	3.5
15	9.9
16	4.9
17	5.5
18	5.4
19	6.6
20	4.5
21	1.8
22	0.8
23	0.6
24	0.2
25	0.4
26	0.4
27	2.6
28	1.6
29	0.1
30	0.8
Sep 2025	3.2

High Wind
	Arnside
Day	Mph	When
1	22	01:30
2	14	10:30
3	28	16:30
4	16	17:00
5	17	17:00
6	16	12:00
7	18	01:30
8	20	10:00
9	16	13:30
10	19	13:30
11	25	15:30
12	24	13:30
13	25	12:30
14	26	22:30
15	30	15:00
16	27	01:30
17	24	15:30
18	21	22:30
19	22	13:00
20	23	18:30
21	18	01:30
22	12	15:30
23	8	14:30
24	8	12:00
25	9	13:00
26	11	14:00
27	16	15:00
28	12	17:30
29	4	13:30
30	10	12:30
Sep 2025	30	15/09

Wind Run
	Arnside
Day	Miles
1	172.0
2	72.5
3	60.5
4	37.0
5	67.5
6	29.5
7	55.5
8	93.0
9	54.0
10	73.0
11	141.0
12	125.0
13	129.0
14	84.5
15	238.0
16	116.5
17	131.0
18	129.0
19	158.0
20	108.0
21	42.0
22	18.0
23	15.0
24	4.5
25	10.0
26	9.5
27	63.5
28	39.5
29	2.5
30	19.0
Sep 2025	2298.0

Dominant Wind Direction
	Arnside
Day
1	SSE
2	SSE
3	S
4	S
5	SW
6	NE
7	S
8	SSE
9	SSE
10	SSE
11	S
12	S
13	S
14	SSE
15	SW
16	WSW
17	S
18	S
19	N
20	NNE
21	NNW
22	N
23	WSW
24	ENE
25	NE
26	NE
27	SSE
28	N
29	NNW
30	S
Sep 2025	S

An ! on a Data Missing value indicates that the weather station measurements for the time period will be excluded from the evaluation of some records because the amount of missing data undermines their validity.The maximum data that can be missing is 60 minutes for a day, 720 minutes for a month.

Wind Direction Percentages for Month of September 2025

Move the cursor over the plot to see the exact data values.