If you go to Richmond, or anywhere else in the world, by plane be prepared for loss of your luggage by the airlines. It happened to us thanks to KLM.
So, Urszula and I were separated from our luggage for the first two days in the South. We had a camera, video camera, newspapers, travel books, some cosmetics but no clothes to change! It was not nice for either of us, not to mention those with a sensitive nose :-). We were forced to buy socks, underwear and basic toiletries. We did it in Mechanicsville Wal-Mart and saved our ticket. When we reclaimed our lost bags at Dulles Airport, KLM compensated for our purchases (up to $50 per person per day :-).
Anyway, my strong recommendation is to pack 2-3 days' worth of clothing not to mention all your toiletries, in your carry-on bag in case the airlines lose your luggage. I should have paid more careful attention to b1bob's travelogue on quick and easy packing :-).
Luggage and bags:
For walking around Richmond, small, city backpack and surely bag for your camera - both better water-proof.
Clothing/Shoes/Weather Gear: Comfortable walking shoes preferrably water-resistant: like good trainers or better special walking shoes (one example: Danish Ecco are very comfortable and... expensive but worth the cost).
Sun-glasses esp. in winter and summer and always a rain coat, eventually less comfortable umbrella.
Read info on climate in Richmond:
Climate of Richmond
Average temperatures and rainfall in Richmond:
Check weather (10-day forecast) for Richmond:
Weather forecast for Richmond.
Miscellaneous: Do not forget to take BIG SMILE :-) Enjoy!
Clothing/Shoes/Weather Gear: Bring clothes to match the season. Richmond has four seasons and you need to dress accordingly. Avg temps Dec-Feb 50-10, Mar-May 80-40, Jun-Aug 100-70, Sep- Nov 80-30. These temps are high-low exteremes to be found in the season expressed in degrees Farenheit.