I will be going their for the first time 3rd week of sept or 1st week of October so a few questions I usually fish for stripers in ri having said that I spin fish I have a schoolie reel shamino fj 5000 an would like to pair the reel with a st Croix wild river rod but wich one? an what tackle/size hooks lures should I bring floats? sorry for all the questions just trying to do my homework now rather than later so much to learn also think shore guid for a day to get the basic down an take it from their   thanks for the help

Read the regs for the river and get an idea of things you cannot use and go from there.   Most folks will fish eggs sacks, beads and flies on spinning gear.   I have caught salmon on spoons, but the fish need to be unpressured and good luck with that on the river.   Stay away from the major holes and walk a bit to find some open water if you can.   Very good idea on the guide, but get a reputable one either shore or drift.   On a boat you cover more water and learn more spots.   I just use a  Bass Pro 9 foot noodle and 10 lb test when I spin fish, which is rarely anymore.     

Would strongly suggest the guide for a day. Look one up NOW because they get booked early. Same for your lodging-- NOW.
What you learn in one day with a seasoned Guide would take years on your own. Use his gear too if he supplies it. The right stuff means a lot.
 good luck--its a great place .

If you don't have a room booked by now good luck,you may have to look 30 miles south now.I don't spin fish so no help there but a GOOD guide would be money well spent.

to start out I would go with a ugly stik 9ft  these fish dont play by the rules  12 to 14lb if you young and can move up and down river.  estaz fly is a good all around intlicer  you can not buy lead split shot up there so order some small shot sz 6 or 7 you will lose a lot if you go to heavy   there are guys how will help you out if you ask (not all but there are some true fishermen/women up there)

Like many here -started with an Ugly Stick. First in spin and then in Fly. Most arent prepared for the heavy fish with those strong down river runs in this current. Considered them a great learning tool that lived up to their rep about NOT breaking when abused. The soft tip does mask some hits though.
 For a new guy on the SR go with 14 or more test but dont be one of those 20 lb guys. Ya can always use a lighter line up front.
Now its an 8 and later in the season a 5 but to learn - get ugly. Decent prices too.

For salmon, I would go 8'6" up to 9'6".  I typically fish a Stradic 4000 with 12 lb but 14 lb main line is fine using Seaguar, P line, or Maxima (just my mono's of choice).  5000 would be a bit large from my perspective.  You should then run 10 lb or 12 lb fluoro.  Like someone else mentioned, bring your own lead split shot otherwise you will be using tin, steel, etc... Hooks- blackbirds size 4 or 6, attach main line to leader using either a swivel or blood knot.
 
Bait- beads, estaz, glo bugs, skein, and egg sacks, I have not seen many people fishing floats during salmon season.  Also I personally have not mastered float fishing with the spinning rod, at least not when you are trying to manage a long drift.  Basically bottom bouncing egg sacks or skein, just enough to tic the bottom.  Remember we are not fishing pins.  Obviously the gear would be very different if you were steelhead fishing.
 
Good Luck and consider a guide provided flows are good.  Floating the SR in a drift boat would be very helpful.  

All good points and here is just my 2 C to add..
 
For salmon I find the wrong , especially spinning rod can cause difficulty..
I chose a fly rod due to these reasons:
Generally I wish to use far less weight for salmon.. Many times the water might be at a lower state (-750) and using 1/8 oz or less just becomes tough with the wrong set up..
Now I understand this is tropical storm season in full glory and being under gunned with a whippy noodle rod is worth nothing..
Hence with the 9'6 - 8 wt I have a good versatility..
 
There are 2 spinning rods (oldies) in my rack from early salmon years that I like and use for other fishing:
1: Straight up 9' Ugly Stick Light Action 4-20.. Possibly my first salmon rod around 1980 .. Still gets plenty Trolling use on Lakers, Salmon , Stripers and walleye.. first steel rod in 1976 was composite fly rod with spinning reel taped on )
Id say a decent (cheap $60.. spinning rod)
2. St Croix 8'6 4901 med.. 10-20.. Don't know todays models but this is a bit heavier rod but nice casting a # 7 split up and plenty backbone.. Like said , for 900 + water flows..
 If I were to chose between the 2 above_
Ugly Stick lite, the 9' med 4-20 # long handle will work in all situations at best price.....
........................................................................................................
Line:
Water dependent:
 Low water, 10# main line.. 500-1,000 12-14# main
Lighter line casts lighter weight better..
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Lures:
I like flies(spin or fly) : Easy for me to tie but not cheap to buy ..
Twister tails, hellgrammites, gulp minnows, power bait, ... It all works if your fishing good water and the fish are snappy !!
............................................................................................
Guide:
 Hum. Tough call on salmon..  Easy call on trout..
Hit the salmon right and even Ray Charles will catch one..
Pay your dues, stay focused and work good water ..
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Lodging:
at this point I'd look toward campgrounds.. I'm still seeing openings on the busiest weekend ..
Call around and see who has a bed.. All are about equal IMO , some more $$ then others..
 
Good Luck
 
 
 
 

You are going at a good time and fish should be there- just a suggestion- when you get to the river you will likely be at a parking area - the nearby water will be crowded- walk a bit and you will have more room. Watch those around you before you fish and observe the methods used in slow, fast, low and deep waters. Most on the river are OK folks and will likely give you a tip or two about rigging up. Just ask. It may save you valued time and gear to be set up right for the conditions that exist when you get there.
 good luck and enjoy-after the first hook up you are forever changed -its an addiction.

Everyone is correct... there is nothing wrong with starting out with an Ugly Stick first... you'll learn that Salmon dont play by conventional fishing rules. Have at least 1-2 back up rods and reels because you can break gear at anytime. 
 
The best advice I can give you is watch other guys. (Dont go out ripping your rod back and forth trying to snag thats a big no no.) Have a gentleman attitude, if somebody next to you hooks up, reel in your line and give them some space to fight the fish. If a fish gets by you and is moving quick, give the next guy a courtesy of a "got one or two coming down to you". If you do that a few times small talk can happen and you ask a few questions and get a few tips. 
 
Nothing ruins fishing here like a few ****holes next to you showing no class or respect.