TPS22919: Switch-on timing are only typical values, we need maximum values

In the datasheet, there are typical values for switching times only. Switch on time rises significantly at low temperatures. I understand that rise time would be dependend on many parameters. But from my view one needs a good estimation of maximum times. In our very simple design, where a battery is connected to a high impedance voltage divider, the switch on time seems to be largely dependend on temperature and differ from device to device. We use a 3.6V battery, a resistant load of 40kOhms and temperatures from -40°C to +85°C. Question: would be 3 milliseconds enough to ensure voltage rises to 98%?