When I was younger there were many haunted hay rides at the Syracuse area farms. Not sure if any still exist for this year.
Here are a few Fall events in CNY:
-LaFayette Apple Festival
LaFayette Apple Festival
-Zoo Boo
News & Events
-Fright night at the State Fair grounds
News 10 Now | 24 Hour Local News | Central New York
-FAMILY FUN AT THE HOLLOW......Where: The Hollow
(3735 W. Seneca Turnpike, Syracuse, NY 13215)
When/$: Monday, Sep 24, 2007, 6:00 pm - 9:00 pm, $1-$2 each event
CORN MAZE,FARM ANIMALS,ICE CREAM
Many other events listed if you search here...
Syracuse.com
In addition, there are many pick your own pumpkins farms in the Syracuse area. Also, Hafner's, just down the road from me, usually transforms one of its warehouses into a haunted house in October. I'm sure there are more smaller events too.