San Agustin generally offers an environment that is secure and friendly for solo female travelers. The locals are known for their hospitability and helpful nature. However, like any other travel destination, it is advisable to always be cautious, particularly at night. Always keep your belongings close and be aware of your surroundings. Also, it's recommended to stay in well-populated areas and use regulated transportation. As the safety can lightly fluctuate, it is essential to do some research on the current situation before you travel.