Question:

Spell me out and I am the number of a month in which I also match the number of letters exactly of this month. What am I?

Answer:

˙ʎɹɐnɹqǝℲ puɐ ʎɹɐnuɐſ ‘ɹǝqɯǝɔǝp ǝɹɐ sɥʇuoɯ ɹǝɯɯns ʇsǝʇʇoɥ ǝǝɹɥʇ ǝɥʇ ǝɹǝɥʍ ‘uɐᴉlɐɹʇsn∀ sᴉ uᴉʇsnp

Citations:

https://www.upsidedowntext.com/

https://www.riddlesandanswers.com/tag/september-riddles/

https://www.istockphoto.com/photos/september