Upvote:0
Your existing multiple entry Schengen visa is only valid for travel within the period up to and including 31 October. There is no easy way to extend it Is it possible to extend a tourist Schengen visa (12 more days)?
To visit Spain you either need to change your travel dates to within the existing visa validity period or apply to the Spanish consulate for a new visa. You cannot apply to a different Consulate eg Germany, just because itβs more convenient.
My understanding is that you canβt hold overlapping visas but Spain can issue your new visa with a validity starting from 1 November Apply new Schengen Visa while hold an valid one Since you have a multiple entry visa and have already used it for the purpose for which it was approved, it will be valid for your trip to Spain together with a new visa from Spain.
Upvote:1
Your visa will be expired and, I assume, you are out of the schengen area. You will now need to apply for a visa from the Spanish representation which serves your place of residence since that will be your main destination for that trip.
There is no possibility to extend a C type visa. You should apply soon to avoid any hassle. If you have a good travel history, the spanish representation should not have any reason to deny you.