 Early on September 2 , the storm weakened again and was downgraded to a Category 1 hurricane . At 0600 UTC on September 3 , Danielle reached its minimum barometric pressure of 960 mb ( hPa ; 28 @.@ 35 inHg ) , although sustained winds were only 80 mph ( 130 km / h ) at the time . As late as 1500 UTC on September 3 , satellite imagery indicated that Danielle was retaining tropical characteristics . The National Hurricane Center did not forecast any further weakening before the extratropical transition , but instead mentioned the possibility of baroclinic strengthening . Late on September 3 , the final advisory was issued on the transitioning storm . Danielle officially transitioned into an extratropical cyclone at 0000 UTC on September 4 according to a post @-@ season report from the NHC , while located east @-@ southeast of Newfoundland . The remnants of Danielle traversed east and eventually northeastward across the Atlantic Ocean . It produced rough seas in the British Isles on September 6 before merging with an extratropical low pressure area north of Ireland on September 8 . 
