Water droplets are more likely to settle on the spiders Web during the autumn. This changes how the light reflects making them more visible.
The other choice is that after the full summer, only the largest spiders have survived so they will have larger webs to sustain the size they have become.
Final point is that spiders tend to move inside during the autumn to deal with the changing weather so we are more likely to see them around and thus think there are more of them
Latest Answers