Six months too late, the Mets got enough big hits to win the rubber game of a series from the visiting Padres.

Taking two of three games to finish off the first homestand of a new season certainly doesn’t make up for the disappointment of the 2022 Mets’ quick playoff exit at the hands of San Diego, but it will calm the rocky waters of an inconsistent start to the 2023 season — at least for a day or two.

Brandon Nimmo collected three hits, Francisco Lindor and Pete Alonso slugged the tying and go-ahead solo home runs, respectively, and David Robertson stranded two runners on base to end both the seventh and eighth innings as the Mets beat the Padres 5-2, in front of 34,876 at Citi Field.

“What happened in October happened, and I think guys have learned from it,” Nimmo said. “We fell on a time right then when we weren’t very hot and they were, and they did very well against our good pitching. We were able to win this series, but by no means is that the end of things.”

On Wednesday, Nimmo (two), Alonso and newcomer Tommy Pham had hits with runners in scoring position, matching the three-game total (4-for-23) that the anemic Mets had when managing one run during their two playoff losses combined.

Nimmo’s two-out RBI single in the sixth picked up Tomas Nido, who had bounced into a double play with the bases loaded.

Pham’s two-out RBI single in the seventh did what Nido’s chopper couldn’t — snuck past third baseman Manny Machado’s Gold Glove.

“I thought the tack-on runs were big,” manager Buck Showalter said. “Very seldom are you going to be able to beat them scoring two or three runs.”

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Juan Soto gave the Padres an early 2-0 lead with a 453-foot home run into the pavilion above the visitor’s bullpen in right-center field in the first inning, but gave back one of those runs in the second by misplaying a fly ball in left-center field.

Nimmo wound up with a RBI double.

“I knew I got it OK, but I was a little hesitant about it,” Nimmo said. “Soto was playing in and he broke back pretty hard, and so I thought maybe it had a shot [to drop] because of where he was playing to start.”

Robertson retired Soto — the first batter he faced over 1 ¹/₃ innings of work — with runners on the corners and two outs in the seventh.

To neutralize a loud left-handed bat, four of Robertson’s six pitches to Soto were curveballs, including the one that induced a fly out to left field.

“These guys in the big leagues are good, so righty or lefty, doesn’t really matter,” Robertson said. “You’ve got to make quality pitches to get them out. I was fortunate enough to get through Soto. I didn’t have the best stuff, that I had later on.”

Lindor and Alonso homered in the same game for the second time on the homestand.

Alonso, who leads MLB with six home runs, put the Mets (7-6) in the lead for good in the fifth. Both homers came off Blake Snell, who needed 100 pitches to record 15 outs.

“We are giving each other as much information as possible — some sort of tip or constant feedback,” Alonso said. “We know that we’re in the meat of the lineup and in order for us to win ball games, if we can be consistent and deliver more times than not we’re going to be successful as a team.”

After spinning a gem in the home opener last week, Tylor Megill (3-0) scattered three hits, three walks and three strikeouts over five innings.

His only clean frame was the third, but he threw up zeroes after Soto’s home run.

“The first inning was a little slow for me — mechanically I felt a little off,” Megill said. “Second inning was still a little iffy. Third through the fifth, I found my changeup and let that ride throughout the rest of the start and that helped me a lot getting a head of those lefties and getting groundballs.”