Objective: to assess the patient safety culture among the Nursing team members of four public teaching hospitals. Method: a cross-sectional study with a quantitative approach, conducted between June and September 2019, by applying the E-questionnaire of Hospital Safety Culture. The participants were 376 Nursing professionals from four hospitals, whose data were subjected to statistical analysis, considering the positive answers to the questions for the classification in strong areas (≥ 75%), areas with potential (50%-74.9%) and weak areas (≤ 49.9%) for the safety culture. Results: only one dimension, organizational learning/continuous improvement, was considered strong for patient safety, for having obtained 84.8% of positive answers. Among the other dimensions, four were considered areas with potential and seven, weak areas. Conclusion: the Nursing professionals assessed the patient safety culture in the researched hospitals as weak.