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UV Index Forecast for Birsay Bay

UV index is used to describe the strength of the sun's UV radiation. As a benchmark, 7 may occur on exceptional days and 8 is rare in the UK.

Updated: 17 09 2026 13:06 UTC / Model: 20260916 12z / info

Friday 18 September (Today)

06am
0
07am
0
08am
0
09am
1
10am
1
11am
2
12pm
4
Exposure level
13pm
4
14pm
4
15pm
3
16pm
2
17pm
1

Sunrise: 06:47 / Sunset: 19:27 Twilight: 06:06 / 20:08

Saturday 19 September (Tomorrow)

06am
0
07am
0
08am
0
09am
0
10am
0
11am
0
12pm
0
Exposure level
13pm
1
14pm
1
15pm
0
16pm
0
17pm
0

Sunrise: 06:49 / Sunset: 19:24 Twilight: 06:08 / 20:05

Sunday 20 September

06am
0
07am
0
08am
0
09am
1
10am
2
11am
3
12pm
4
Exposure level
13pm
4
14pm
4
15pm
3
16pm
2
17pm
1

Sunrise: 06:51 / Sunset: 19:21 Twilight: 06:10 / 20:02

Monday 21 September

06am
0
07am
0
08am
0
09am
1
10am
2
11am
3

Sunrise: 06:53 / Sunset: 19:18 Twilight: 06:13 / 19:59

UV Index key
1-2
3-5
6-7
8-10
11