08:00am - 06:00pm  Boat Launch Open
George's Island

08:00am - 06:00pm  Boat Launch Open
Glen Island

09:00am - 03:00pm  Garage Sale
Saxon Woods Parking Lot

10:00am - 04:00pm  Farm Stand
Hilltop Hanover Farm and Environmental Center, Yorktown Heights: (914) 862-5050

10:00am - 02:00pm  Lasdon Green Squad
Lasdon Park, Arboretum and Veterans Memorial

10:00am - 01:00pm  Mobile Shredder is coming to New Rochelle
New Rochelle City Hall (Parking Lot) - 515 North Avenue, New Rochelle, NY

10:00am - 11:00am  Stone Walls: A Guided Walk in Time & Nature
Hilltop Hanover Farm & Environmental Center

10:00am - 03:00pm  Volunteer Day
Edith G. Read Wildlife Sanctuary

11:00am - 01:00pm  Miller House Open House
Miller House

12:00pm - 01:00pm  Friends of Marshlands 
Annual Membership Meeting
Marshlands Conservancy

01:00pm - 02:30pm  Invasive Species in Westchester
Lenoir Preserve

01:00pm  Music of the revolution
St. Paul's Church N.H.S., 897 S. Columbus Av., Mt. Vernon, NY

01:00pm - 02:30pm  Pianist Kessa Mefford performing on Sunday, September 21, Mt. Kisco
Presbyterian Church of Mount Kisco, 605 Millwood Rd, Mt. Kisco, NY

01:00pm - 02:30pm  Rockin’ Reptiles!
Marshlands Conservancy

01:00pm - 02:30pm  Stream Exploration
Trailside Nature Museum

02:00pm - 03:00pm  Tour in Tales of Fairy Lands
Trailside Nature Museum

02:00pm - 04:00pm  Westchester Collaborative Theater (WCT) Presents Murder Ballads, a Staged Reading
Westchester Collaborative Theater

08:00pm - 10:00pm  StevieMac: A Fleetwood Mac & Stevie Nicks Experience
Paramount Hudson Valley Theater 1008 Brown St., Peekskill, NY 10566

08:00pm - 10:00pm  Westchester Collaborative Theater (WCT) Presents Murder Ballads, a Staged Reading
Westchester Collaborative Theater