Did the Kimmel suspension ding Trump's approval rating?

An simple average of President Donald Trump's approval polls in the week before and days after ABC suspended Jimmy Kimmel's late-night program following pressured from the Federal Communications Commission

Pre-suspension polls include those that exited the field between Sept. 9 and Sept. 16. Post-suspension polls include those that entered the field on or after Sept. 17, the date that ABC announced Kimmel's suspension. Polls conducted both before and after Sept. 17 are excluded.
Chart: Andrew ManganSource: Mary RadcliffeCreated with Datawrapper