15 Things to do in DC, Maryland, and NOVA in September

Looking for things to do in DC, Maryland, and NOVA in September? Look no further! Here are 13 events plus 2 ongoing events to check out.

All pictures used belong to their respective owners.

September 13th: 10 am to 1 pm

Friends of Brookside Gardens & Brookside Gardens
FALL PLANT SALE 2025

https://www.friendsofbrooksidegardens.org/fall-plant-sale-2025


September 13th: 11 am to 6 pm and 14th: 12 pm to 6pm

Fright Reads Book Festival
https://www.frightreads.com/


September 13th: 12 pm to 4 pm

Books and Beers in the Barn

https://www.manorhillbrewing.com/event/books/


September 13th: 11 am to 4 pm

In the Streets Downtown Frederick

https://www.celebratefrederick.com/events/in-the-street/


September 13th and 14th: 9 am to 5 pm

Mount Vernon Colonial Market and Fair

https://www.mountvernon.org/plan-your-visit/calendar/events/colonial-market-fair


September 14th: 10 am to 8 pm

SawasdeeDC Thai Festival
https://www.facebook.com/people/Sawasdee-DC-Thai-Festival/100093196670261/


September 20th from 5 pm to 11 pm

Astronomy Festival on the National Mall

https://www.hofstra.edu/physics-astronomy/astronomy-festival.html


September 20th: 10 am to 4 pm

Washington Grove Arts and Crafts Fall Festival

https://visitmontgomery.com/events/washington-grove-fall-festival/


September 20th and 21st

Maryland Pickle Fest

https://bigdill.com/pages/maryland


September 27th 11 am to 4 pm
Wildwood’s Fall Vintage & Artisanal Market and Shop & Sale
https://mocoshow.com/events/wildwoods-fall-vintage-artisanal-market-and-shop-sale-18847/



September 28th: 12 pm to 4 pm
That's So Retro Funky Fall Market
https://www.instagram.com/p/DOMq_n2Ebrd/


September 27 and 28
3 session times available 9 to 430

DC Coffee Festival
https://www.dccoffeefestival.com/


Ongoing:


Maryland Rennaissance Festival

https://rennfest.com/