Typically, you can expect that the weather in Derry right-through October is 9 with usual highs being around 16 with low daily temperautes being 6. We have put some more information below:

MonthDegrees Celsius
Temperature9
High Temperature16
Low Temperature6

Click to see more Derry Weather including Derry, New Hampshire (USA) September Weather and Derry, New Hampshire (USA) November Weather