Shimon Peres has described Palestinian plans to unilaterally declare statehood at the UN as "an illusion".
The Israeli President told the Associated Press that it could be possible to conclude an agreement with the Palestinians" before September. But even if that did not happen, he said such a move would be meaningless.
"It will remain on paper and it will raise false hopes," he said.
Shimon Peres has emphasised Israel's ongoing commitment to fighting antisemitism and delegitimisation at home and in the diaspora as the Jewish state approaches its 63rd birthday.
In a message to diaspora Jews to mark 63 years since David Ben-Gurion declared independence, the Israeli president said: "As we celebrate we can look back on the historic miracle of the birth of a nation."
The British ambassador to Israel has called on Britain’s Jewish community to dig deep to help combat loneliness amongst Holocaust survivors.
In a joint appeal with outgoing Israeli ambassador to Britain Ron Prosor, Matthew Gould said that while the Israeli government played its part in supporting the estimated 210,000 survivors living there, there were still gaps in the provision.
Shimon Peres is to follow up his trip to the UK this week with a meeting with President Barack Obama in Washington. It will be the Israeli President's first visit to the White House in almost two years.
Mr Peres is expected to lay out some of the details of a new Middle East peace plan at meetings with US government leaders, including at a "working lunch" in the White House.
The Israeli President lent his football expertise to the Real Madrid team after joining the Spanish side for a practice session.
Shimon Peres, who is in Spain for a four day visit, met team-members including Ronaldo, Kaka and Pepe, as well as being presented with a personalised Real Madrid shirt and a silver replica of the Bernabéu stadium.