Paris in autumn (I'm switching from "fall" to "autumn" now, look what Paris has done to me!) is extremely stunning. The more I explore this city, the more I attachment I feel. I'm sure the warm-toned season adds a lot of catalyst to it: surrounded by the beautiful gradience of red and yellow, I couldn't think of any other city has a more lovely autumn.
We ran into this little basin and public garden in Arsenal neighborhood near Place de la Bastille, because of a contemporary art show was going there on that weekend (sort of like the Armory Show in New York). It turned out to be a popular place for locals to hang out and the weather and view offered a perfect, relaxing afternoon. This slow-tempo lifestyle is what makes Paris so nice to live in.
Hope you're enjoying the beauty of autumn from where you're sitting.