Keep an eye on weather forecasts and choose your footwear accordingly. Early October can be reasonably warm or miserably cold and the last years temperature is a poor predictor. Here is another thing to consider as a pice of footwear complimentary to trail runners:
https://40below.com/product/forty-below-light-energy-overboots-tr-model/Edit to add: IMO, La Sportiva Wildcat or Bushido are much better options for trail runners.
