They will then play another away game at Watford on September 1 before the global break after the Hornets agreed to reverse the fixture.
Cardiff start at Bournemouth while Fulham, who secured their place in the top flight via a Wembley play-off final win over Aston Villa start the league season at home to Crystal Palace.
There's a midweek clash as we travel to Watford on 4 December before facing Chelsea at Stamford Bridge the following weekend (8 December).
Wenger chose to step down at the end of last season after nearly 22 years in charge of the north London club.
Emery also has a tough start to December, with a home north London derby against Tottenham on 1 December followed by a trip to Manchester United.
The Champions League group stage will commence on 18-19 September, and last season's beaten finalists Liverpool face an away Premier League fixture before all of their six group games.
"We are so excited to have the date of the first Premier League match at our new stadium", he said.
BT Sport will be showing 42 exclusively live Premier League fixtures in the 2018/19 season for the last time before that figure then rises to 52 for the 2019/20 campaign. Tottenham make the trip to Tyneside to play Newcastle United, while Chelsea go to Huddersfield and Manchester United host Leicester City.
The redeveloped White Hart Lane will not be ready for the start of the season, so their first home game against the Cottagers will be played at the national stadium.
How many points will Arsenal collect from their opening two Premier League games?