September 27 is a day with multiple holidays and observances. Here are some of the holidays and observances that fall on September 27, 2023, according to the search results:

• World Tourism Day
• Ancestor Appreciation Day
• Day of the French Community
• Milad an-Nabi (Mawlid)
• Morning Show Hosts Day
• National Corned Beef Hash Day
• National Crush a Can Day
• National Crush Day
• National No Excuses Day
• National Scarf Day
• National Women’s Health And Fitness Day
• Prophet Muhammad’s birthday

As we can see, there are multiple holidays and observances on September 27, and they vary from country-specific holidays to global observances.