Late Night Ratings: Monday, September 30, 2024

Note: LateNighter’s late night daily ratings reports are drawn from Nielsen live-plus-same-day data and do not take include delayed and/or streaming views. They are generally posted on a two (business) day delay, which is how they are released by Nielsen.

ABC’s late night offerings – Jimmy Kimmel Live! and Nightline – dominated their respective timeslots for the second consecutive Monday, largely thanks to a highly-rated Monday Night Football lead-in.

The September 30, 2024 edition of Jimmy Kimmel Live! averaged 2,270,000 live-plus-same-day viewers with 564,000 P18-49 at 12:05 a.m. That’s down -3% in total viewers but up +12% in P18-49 viewers from the previous Monday’s episode. In fact, the episode’s 564,000 P18-49 viewers represents Jimmy Kimmel Live!‘s second-largest P18-49 delivery of the year to-date (in live-plus-same-day viewing). Only the Jan. 15 episode averaged more live-plus-same-day viewers from the demo (589,000). Gwen Stefani, and Mookie Betts made guest appearances on Monday’s episode.

Nightline once again benefited from a MNF ratings halo effect. Following Kimmel, the Sept. 30 Nightline averaged 1,296,000 total viewers with a whopping 313,000 P18-49 at 1:07 a.m. That’s -1% in total viewers but +6% in P18-49 viewers from the previous Monday’s episode.

Featuring guests Don Cheadle, and Malcolm Gladwell, CBS’ Late Show with Stephen Colbert averaged 1,957,000 total viewers with 199,000 P18-49 this past Monday. That’s up +4% in total viewers and +15% in P18-49 viewers from the previous Monday’s episode.

NBC’s The Tonight Show Starring Jimmy Fallon averaged 1,138,000 total viewers with 174,000 P18-49 this past Monday. That’s down -12% in total viewers, and -19% among P18-49 from the previous Monday’s episode. Kate McKinnon, Kit Connor, and Rachel Zegler were Fallon’s guests on the program. Jelly Roll performed.

Following Fallon, the Monday, Sept. 30 edition of Late Night with Seth Meyers averaged 830,000 total viewers with 137,000 P18-49. That’s down -7% in total viewers, but up +4% among P18-49 from the previous Monday episode. Meyers welcomed Alicia Keys, and Alex Moffat to the program.

Following Colbert, After Midnight’s Sept. 30 broadcast (featuring guest participants Mitra Jouhari, Anna Seregina, and Luke Mones) averaged 534,000 total viewers with only 77,000 P18-49. The Taylor Tomlinson-led program shed -5% in total viewers and -21% among P18-49 from the previous Monday’s episode.

 Jon Stewart returned to The Daily Show anchor chair this past Monday, and the program went on to average 628,000 total viewers with only 92,000 P18-49 at 11 p.m. That’s down -8% in total viewers, and -19% among P18-49 from the previous Stewart-led Monday Daily Show (Sept. 23). Award-winning author Ta-Nehisi Coates was Stewart’s guest on the program.

Monday’s complete ratings charts follow below.

Live+SD ratings (All Viewers 2+)

Live+SD ratings (18-49 demo only)

Ratings data © The Nielsen Company, used under license.