The 2019 WNBA season was the 21st season for the Connecticut Sun franchise of the WNBA. It was also the 17th season for the franchise in Connecticut. The team opened the season on May 25 versus the Washington Mystics.
The Sun started the season well, posting a 9–4 record through the end of June. They were especially strong at home, going 6–0 over the first two months of the season. The end of June into the beginning of July proved to be a rough patch for the team. They lost five straight games from June 23 to July 10. This stretch included one of only two home losses on the season. After this losing streak, the Sun went on a seven game winning streak that lasted from July 12 to August 4. The Sun's final record in July was 5–2. The Sun didn't lose in August and posted an 8–3 record. The Sun's other home loss came on September 6 as the team closed out the season 1–2 in September. The Sun clinched a playoff berth on August 18, and their final 23–11 record earned them the second seed in the playoffs.
As the second seed, the Sun earned a bye through to the Semifinals. There, they met the #3 seed Los Angeles Sparks. The Sun proved to be too much for the Sparks, sweeping them three games to none. They advanced to the finals where they faced off against the #1 seed Washington Mystics. In a tightly contested finals, the Sun ultimately came up short, losing two games to three.
Transactions
WNBA draft
The Sun made the following selections in the 2019 WNBA draft.
Trades/Roster Changes
Roster
Game log
Preseason
|- style="background:#bbffbb;" | 1 | May 13 | New York Liberty | W 100–66 | J. Jones (19) | J. Thomas (7) | Williams (7) | Mohegan Sun Arena3,806 | 1–0 |- style="background:#fcc;" | 2 | May 14 | Dallas Wings | L 67–71 | Holmes (14) | J. Jones (14) | Stricklen (4) | Mohegan Sun Arena3,965 | 1–1 |- style="background:#bbffbb;" | 3 | May 19 | vs. New York Liberty | W 98–79 | J. Jones (21) | Williams (5) | Williams (5) | Times Union Center | 2–1
Regular season
|- style="background:#bbffbb;" | 1 | May 25 | Washington Mystics | W 84–69 | A. Thomas (23) | J. Jones (14) | J. Thomas (6) | Mohegan Sun Arena7,913 | 1–0 |- style="background:#bbffbb;" | 2 | May 28 | Indiana Fever | W 88–77 | J. Jones (25) | A. Thomas (10) | J. Thomas (7) | Mohegan Sun Arena4,781 | 2–0 |- style="background:#fcc;" | 3 | May 31 | @ Los Angeles Sparks | L 70–77 | J. Jones (16) | J. Jones (22) | Clarendon (3) | Staples Center12,334 | 2–1
|- style="background:#bbffbb;" | 4 | June 2 | @ Las Vegas Aces | W 80–74 | Williams (19) | J. Jones (13) | Tied (5) | Mandalay Bay Events Center2,747 | 3–1 |- style="background:#bbffbb;" | 5 | June 6 | Los Angeles Sparks | W 89–77 | J. Jones (18) | A. Thomas (12) | A. Thomas (6) | Mohegan Sun Arena5,496 | 4–1 |- style="background:#bbffbb;" | 6 | June 9 | @ Atlanta Dream | W 65–59 | J. Jones (17) | J. Jones (13) | J. Thomas (6) | State Farm Arena3,082 | 5–1 |- style="background:#bbffbb;" | 7 | June 11 | Washington Mystics | W 83–75 | J. Jones (24) | A. Thomas (12) | J. Thomas (6) | Mohegan Sun Arena5,224 | 6–1 |- style="background:#bbffbb;" | 8 | June 14 | @ Minnesota Lynx | W 85–81 | 3 tied (16) | J. Jones (12) | Williams (6) | Target Center8,803 | 7–1 |- style="background:#bbffbb;" | 9 | June 16 | Seattle Storm | W 81–67 | A. Thomas (20) | J. Jones (11) | J. Jones (6) | Mohegan Sun Arena7,773 | 8–1 |- style="background:#bbffbb;" | 10 | June 21 | Atlanta Dream | W 86–76 | Stricklen (24) | J. Jones (8) | J. Thomas (9) | Mohegan Sun Arena6,608 | 9–1 |- style="background:#fcc;" | 11 | June 23 | @ Chicago Sky | L 75–93 | A. Thomas (13) | J. Jones (10) | J. Thomas (7) | Wintrust Arena5,607 | 9–2 |- style="background:#fcc;" | 12 | June 26 | @ Dallas Wings | L 73–74 | A. Thomas (28) | Williams (7) | J. Thomas (11) | College Park Center4,017 | 9–3 |- style="background:#fcc;" | 13 | June 29 | @ Washington Mystics | L 59–102 | J. Jones (15) | J. Jones (7) | J. Thomas (5) | St. Elizabeth's East Arena4,200 | 9–4