Happy Ramadan, Nadia!

Your English is fantastic, just a couple small adjustments.

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It's Ramadan :)

Ramadan is the ninth month of the Islamic calendar. It's popular because muslim people fast during this month.
Many people think that fasting only requiers requires not eating and drinking from the dawn [here, we would probably say 'daybreak' instead of 'dawn'] to sunset, but in fact Ramadan is also a way of training themselves not to not say bad words, be nicer to others, be tolerant , be patient and generous. In addition to that [a shorter version of "in addition to that" is "additionally"], Ramadan is like a healthy diet because it's scientifically proved that fasting has a lot of benefits on for the body.
I live in Morocco. Here, people can't wait to "welcome" Ramadan. In the streets of each city, all people wish the others everyone wishes each other a "Ramadan Said" which means "Happy Ramadan". Everybody buys moroccan cakes, especially "Chebakia" which is one of the most popular and delicious Moroccan specialities, and also "Sellou" which is a popular dessert during Ramadan.
Before the first day of this holy month, you can smell the most beautiful scents and odors wherever you go, it's like the whole cities  city becomes a huge perfume with different fragrancies fragrances.
Before the dawn, people eat a meal called "The Shour",it's their last meal before fasting.
Then after fasting the whole day, they eat the "Ftour" at the sunset. Then, they go to pray "The Taraouih" after adhan "Al Ichaa".
Generally, people who have to fast are people who have reached puberty, but children can also fast if they want to, just to feel the warmth and the happiness of Ramadan.