Anti-discrimination campaign Kick It Out commented following the Portuguese midfielder's post.
The 25-year-old must also complete face-to-face education as well as the ban and fine.
The pair look to share a close relationship on and off the pitch but a controversial tweet Silva made about his friend soon went viral.
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Capt Lewis said it was "great for the duke and duchess to take the time to truly understand the challenges" the families face. The royal family are expected to all attend two Remembrance Day events this weekend, but it could be awkward for the Princes.
Mendy did not take offence, replying with laughing emojis, but others quickly pointed out the racial aspect of Silva's remarks.
In the Independent Regulatory Commission's written reasons provided to the FA, Silva's "exemplary previous good character" was acknowledged, along with an acceptance that "the player did not himself intend the post to be insulting or in any way racist", given he had "grown up in a country where both the brand and the character were familiar and considered inoffensive".
Although the tweet was regarded as a joke by the player who later deleted it on his social media account, but the FA explained that it is capable of bringing the game into disrepute.
"However, this was not a private communication between two friends".
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It appears with this deadline, Kim has ample time to get the results she wants, and we have no doubt that she will deliver. Tristan first cheated on Khloe when she was nine months pregnant . "That would really affect me", she admitted.
Manchester City manager Pep Guardiola also defended Silva in the aftermath, saying: "If something happens it will be a mistake because Bernardo is an exceptional person".
In their statement, the FA confirmed that Silva was in breach of FA Rule E3 - an insulting or improper mention of race and/or colour and/or ethnic origin.
"The post was on a social media platform exposed to the 600,000 followers of a high-profile and well-respected professional footballer".
Premier League champions Manchester City, who are fourth with 25 points from 12 games and trail leaders Liverpool by nine points, next host third-placed Chelsea on November 23.
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One of the steepest drops came in Greater China, including Hong Kong and the Asia-Pacific region. The net worth of China's richest dropped 12.8%, which took dozens off of the billionaires list.