Colder down south for once . Still sock / sandal / vest weather at this time of year . Would ' ve been barefoot weather in the summer at that temperature but there 's a little chill in the air now .

Based on the preceding passage, choose your answer for question What time of the year is it where the narrator is ?
Choices:
(a). The season has changed to early fall so it is either September or October .;
(b). None of the above choices .;
(c). The chill in the air indicates the cold weather has broken and it 's spring , around March .;
(d). The air is cold so it 's either late October or early November .;
The answer is:
(a).