He entered service on August 5, 1782 as a soldier in the Condé Dragoons regiment. Having become a brigadier on July 15, 1785, he became a housekeeper on October 16. He resumed service on July 14, 1789 as a second lieutenant in the National Guard of Versailles, then became an aide-major some time later.
On July 12, 1790, he was appointed lieutenant of grenadiers and was appointed, on October 19, 1791, leader of the 4th battalion of volunteers of Seine-et-Oise.
From 1792 to 1796, he served with the Army of the Moselle and the Army of the North. He took part in the battle of Hondschoote on September 8, 1793 and was appointed head of the brigade on August 20, 1794. On June 14, 1796, he took command of the 54th demi-brigade of the second formation. From 1796 to 1801, he served successively in the armies of Batavia and the Rhine.
On December 3, 1800, he took part in the Battle of Hohenlinden then joined General Augereau in the army of Batavie on September 23, 1801. In 1802, he was part of the troops planned to participate in the expedition to Louisiana under the command of General Victor, but the expedition did not take place, he was assigned to Hanover. He was promoted to brigadier general on August 29, 1803 at the Bayonne military camp; on November 16, 1803, he joined the Brest camp. He was also made a Knight of the Legion of Honor on December 11, 1803 and Commander of the Order on June 14, 1804.
In June 1805, Varé was attached to the 2nd division in the army corps of Marshal Augereau: on September 12, 1805, he commanded the 3rd brigade of General Saint-Hilaire's division in the 4th corps of the Grande Armée. He distinguished himself at the Battle of Austerlitz on December 2, 1805 and was shot in the left leg at the Battle of Eylau on February 8, 1807.
He died on March 14, 1807 in Thorn, from wounds received at the Battle of Eylau.