Baby shower too early?

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When is too early for a baby shower?

I want to do mine in September mostly because it’s going to be outside (backyard bbq style) and I don’t want to do it when it’s cold and everyone has to bundle up! Anyways So the weekend that works for my really close relatives (they live 12 hours away so it’s hard to get them down especially when they work) they can only come the first weekend of September which will bring me to about 22 almost 23 weeks along... would you consider this to early to have a baby shower? I’ve mentioned it to a couple of people and have gotten really weird looks so I’m kinda confused the “time” you’re supposed to have a shower?