Among the most traded shares, the defense conglomerate Saab and the real estate company SBB fell the most, down 5.5 and 4.3 percent, respectively.
Several major banks had a good trading day. Handelsbanken rose 0.5 percent after announcing the completion of the planned divestment of its small and medium-sized business operations in Finland. Swedbank's share price rose 0.6 percent, while SEB increased 0.2 percent.
Telia and Tele2, the telecom companies, also rose on Monday. Telia increased 1.6 percent, while Tele2 rose 0.8 percent.
A majority of the OMXS30-listed shares closed in the red, and the index fell overall by 0.2 percent.
Wind power company OX2 has announced that it has handed over the Krasnik wind farm in Poland to Equitix and signed a 15-year management agreement. The share price rose 0.3 percent.
The stock exchanges on Wall Street are closed on Monday due to the Labor Day holiday. The development on the leading exchanges in Europe was mixed, although market movements were generally weak.
The krona is hovering around its highest level since March against the dollar, at around 10.25 kronor. One euro costs 11.35 kronor, one of the strongest krona exchange rates since the beginning of July.