Beginnings in Saxony
Semmer went through various Oberlausitzer and Dresdner youth teams until he 04 yet as A Teenager first for the crew of the FV Dresden-Nord (later SC Borea Dresden) ran aground during the 2003 / in the fourth division Oberliga Nordost. He scored after his debut on 18 October 2003 to take effect following game day, which was held on October 24, his first goal for the Dresden who finished the season ranked fifth end of their season, including Semmer had contributed a total of nine inserts. For the following season, 2004/ 05 Semmer belonged then to also alter according to the men's team of Dresden and became a top performer by scoring 13 goals within 26 inserts. However Dresden was able to achieve only on goal difference against the FSV Zwickau in the league, after which Semmer the club left end of the season and instead the league rivals FC Sachsen Leipzig joined.
In Leipzig, Semmer first but could not prevail in the season 2005/ 06, just graduated from seven matches and scored one goal in these, while the Saxons reached only the third place of their season instead of the expected rise in the third-class Regional. Below is Semmer but also developed in Leipzig for performers, achieved in 2006/ 07 three goals in 24 as well as in the 2007 /08 ten goals in 28 missions. This Semmer had also contributed to reaching the play-offs for promotion to the fourth-rate from 2008, only Regional, in which he scored two goals against the Greifswald SV 04 and Leipzig reached the regional league. However semmer changed after the season for FC Rot -Weiß Erfurt, who was at the same time qualified for the newly introduced third league.
About Erfurt Rostock
In Erfurt Semmer first played for the reserve team in the Oberliga now fünftklassigen and came in 3rd league mostly only as a substitute for use. From the second half of the season 2008/ 09 but he then scored to the permanent staff of the third division football team that eventually finished in tenth place in the final table and re -placed with the ninth place in the middle of the league in 2009/10. Semmer had initially helped with four goals in 34, then scored seven goals in 35 missions. In the following season 2010/11 Semmer increased again and initially scored nine goals in 29 games, making it the interest of the recently relegated to the 3rd Liga FC Hansa Rostock moved up. Although Erfurt at this time still had chances of promotion to the 2nd Bundesliga to Semmer mid-April 2011 an offer to extend the contract decided already refuse to instead sign in Rostock, where six games left in the season just one point to secure rise required. Below Semmer completed two more games for the Erfurt that mathematically could no longer reach the rise in the penultimate round, so that he finally after a total of 100 league appearances for Red-White moved to Rostock climber.
In Rostock Semmer able to establish at the beginning of the season 2011/12, first as a regular player of the trained by Peter Vollmann team and scored in his first game, which went lost 1:2 against SC Paderborn, also his first goal for Rostock. From the tenth Gameday Semmer came but more often than not a substitute or even not used, so that he also three games for Rostock reserve in the Oberliga Nordost denied after winter break to get match practice. This trainer Vollmann was indeed replaced in December 2011 due to the impending re descent by Wolfgang Wolf, to Semmers situation, but had thus provisionally nothing changed. In the last three games of the season Semmer was then used again in the starting lineup, so that he could achieve his second goal of the season in the game against Union Berlin. However, Rostock was relegated again in the 3rd league as early as the penultimate round finalized so that Semmers time -bound contract with Hansa lost its validity.
Semmer in Chemnitz
In May 2012, Semmer decided to switch to Chemnitz FC, who will play in the season 2012/13 as well as Hansa in the 3rd league. In Chemnitz Semmer received a two- year contract.