PHILADELPHIA — Senate Democrats have a message for President Barack Obama: We want to see you on the campaign trail this year.  

The party’s leading strategists say that unlike in 2014, when Obama avoided campaigning with vulnerable incumbents in his own party, the president can be an asset in the coming three months before Election Day.  

“Month after month, his numbers go up,” said Matt Canter, a former deputy executive director of the Democratic Senatorial Campaign Committee. “He is at potentially the most popular point in his presidency. He’s going to be an incredible asset to Democrats in these big battleground states.”  

Canter was speaking in Philadelphia, site of this week’s Democratic National Convention, at a Tuesday panel hosted by the DSCC.

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Obama’s approval has topped 50 percent in many polls this year, a relative high after he had sunk into the low 40s for much of his second term.  

The map has also changed dramatically for Democrats since the midterm election, which featured a handful of red-state incumbents seeking re-election.  

This year, Democrats are by and large trying to defeat GOP incumbents in blue and purple states like Pennsylvania and New Hampshire.  

“Certainly you’ll see a lot of President Obama sand Vice President [Joe] Biden stumping for Senate candidates,” said Christie Roberts, the DSCC’s political director.