You know, I would love to do a movie where every single time the lovers are together, it's raining. When they meet, when they go out together, when they make love, no matter what. Whenever they're together, it's raining [...] I think also that rain forces people together. In September when it rains, suddenly the people have to stay inside the house, they have to be together, and it becomes more intimate. It gives an atmosphere for more intimate things to happen, whether it's falling in love or in other ways sharing a togetherness. It affects their mood in some way. In the same way, I guess, if you're in a bedroom with a woman to make love and all the bright lights are on, that's one atmosphere. But if you turn it way down, and it's very soft lighting, the atmosphere becomes much more romantic and gentler. The same thing with the sunshine. If you take the sunshine away, it becomes more moody, more confessional. You tend to want to confess more and express your deeper feelings more.
-- Woody Allen, Woody Allen on Woody Allen: In Conversation with Stig Bjorkman