I would go and I did (mid Sept) and I am going again(Nov, Dec). However, if you feel uncomfortable and think its going to stress you out on your well deserved holiday, then stay home. I have to say, that nothing was more relaxing to me than sitting at SIP Babylone, near the Bon Marche in Paris, having my cafe creme, and thinking about another croissant, and not being bombarded with more analysis and news reports.
In regards to large stadiums, I was thinking on Saturday, as I passed Husky stadium full of UW fans getting ready to cheer the dawgs on, how cool it was that life was getting back to normal. Oh well.
Bottom line, go if you feel like you will be relaxed. The kids will feel your stress and maybe not enjoy themselves too.
lala