—Chris, 22 September, on the Chris Chan Documentary.
September is the ninth month of 2017.
- CLog 09042017 - Mister C.
- Don't harass other people about me
- I am with Sweetheart; Please Respect Us
- Reaction to Quinn threatening a break-up
- 1 September - Pages 61-70 of Sonichu 12 are released. Chris donates $20 to the Red Cross for Hurricane Harvey relief efforts.
- 2 September - Chris uses his Twitter Sockpuppet again in order to white knight himself against weens.
- 4 September - On what would be Bob's 90th birthday, Chris reads aloud a set of letters Bob had written for him. An upcoming R. Merryweather Internet Dream Lounge podcast is announced, in which Chris would later guest star.
- 5 September - After two of his patrons complain about not receiving their August books yet, Chris claims that he had been too busy with drawing pages and shopping for groceries to mail the books, and that he will do it soon.
- 7 September - Chris is depressed that he is still single. Jessica Quinn and Chris begin "testing the waters" for a relationship. He uploads Don't harass other people about me, in which he implores weens not to harass the women he orbits on Twitter.
- 8 September - Chris uploads a video, proclaiming Jessica Quinn as his new sweetheart.
- 9 September - Declaring that his love quest prediction finally came true, Chris says that Jessica Quinn is none other than Lovely Weather, and he posts a portrait he drew of her to Facebook. Merryweathery delays releasing his interview with Chris for another week, saying he will ask Chris further questions to improve upon it.
- 11 September - Chris emails to Uri Geller for psychic mentoring, only to be told it's a waste of time.
- 13 September - Jessica Quinn announces that she and Chris are to meet for the first time on October 6th.
- 14 September - Chris changes the payment option for his Patreon to up-front charging for patrons.
- 16 September - Chris attends Cville Pride and is photographed posing with drag queens by local news.
- 17 September - Jessica Quinn is drawn as an MLP character by Chris, who says that "my Sweetheart and I, both have an MLP OC; we are shipped for real." Chris begins uploading Sonichu comics to Tapas.
- 18 September - Sonichu 12 pages 71-76 are released, along with a bonus set of pages with a song Chris wrote, titled, "Love Is Love (not You've Been Pwned)."
- 21 September - Chris tweets about his new method for growing larger breasts, which involves flavoring his food with soy sauce and eating twelve prunes per day.
- 22 September - Chris gives his opinion on Sachumo's Chris Chan Documentary. The next morning, he outlines his own ideas on how a documentary about him should be made.
- 25 September - Sonichu 12's pages 77-83 are uploaded. Another sockpuppet account by Chris, TwiSparLicious, is uncovered tweeting at Doopie.
- 26 September - Jessica Quinn breaks up with Chris. Five hours later, they get back together, then Chris swears off of watching LazyCast (a series which has Doopie as a member).
- 27 September - Chris gives advice on getting a girlfriend.
- 28 September - How surnames work for Sonichu characters is poorly explained by Chris.
- 29 September - Chris rationalizes why he stole fanart for his Patreon account. He uploads previews of a storyline in Sonichu 12 in which Rosechu gets fat.
- 30 September - Chris still refuses to get a job.