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Islay UV index

Local Time Th Sep 21 Fr Sep 22 Sa Sep 23 Su Sep 24
UV index 3 3 2 1

The strength of the sun's ultraviolet (UV) radiation is expressed as a Solar UV Index or Sun Index.The UV Index does not exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the two weeks around the summer solstice). Indices of 9 and 10 are common in the Mediterranean area. The Sun Index forecast refers to the daily maximum.

Last updated: Th, 21 Sep, 09:02 BST