In the past two weeks, Cheapflights users have found many deals under $68/day when booking a rental car at Senou. The absolute best deal a user found was for $2/day from Europcar, booked on Jul. 28.
From Europcar you can rent a car from about $471 per week on average.
Yes, renting a vehicle at Senou for a month is certainly possible.
The monthly cost of a car rental at Senou is on average $2,018 ($68/day).