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Why You’re Seeing More Spiders in Your Home in the Fall

Written by Admin | Oct 30, 2026, 6:15:01 PM

As the weather cools down in Upstate New York, you may start noticing a few more eight-legged visitors around the house.

A spider in the basement. A web near a window. One suddenly appearing in the bathroom when you least expect it.

It can feel like spiders are invading your home every fall, but there are a few reasons they become much more noticeable this time of year.

Why Are There More Spiders in the Fall?

Fall is an active time for many spider species. Some mature during late summer and early fall, which means they're larger, easier to spot, and moving around more as they search for mates.

At the same time, the changing season affects the insects spiders rely on for food. Your home can provide protected spaces and a steady supply of other small pests.

That means seeing spiders can sometimes tell you something else about your home: there may be enough insect activity nearby to keep them around.

Where Are Spiders Coming From?

Spiders don't need much room to find their way inside. Small gaps around doors, windows, utility lines, siding, foundations, and other openings can provide access.

Once inside, they tend to settle in quieter areas where they're less likely to be disturbed. In Upstate NY homes, that often means:

  • Basements and crawlspaces
  • Garages
  • Attics
  • Storage areas
  • Corners and ceilings
  • Around windows and doors
  • Utility rooms

You may also find them around exterior lighting, porches, and entryways because lights attract insects, giving spiders an easy place to find food.

Does Seeing Spiders Mean You Have an Infestation?

Not necessarily.

Finding an occasional spider isn't unusual, especially during the fall. But frequent spider sightings or a noticeable increase in webs can be worth paying attention to.

Rather than focusing only on the spider you can see, consider what's allowing spiders to thrive there.

Are insects getting inside? Are there gaps around the exterior? Are webs repeatedly appearing in the same areas?

Addressing those underlying conditions can be more effective than simply removing individual spiders.

How Can You Keep Spiders Out This Fall?

Start with the little things.

Check screens and weather stripping for damage. Look for gaps around windows, doors, pipes, vents, and utility penetrations. Keep storage areas organized and reduce clutter where possible. Outside, trim vegetation away from the house and remove webs around entryways when you find them.

It's also worth paying attention to other pest activity. If your home is attracting or allowing insects inside, controlling that activity can make the environment less appealing to spiders.

This prevention-first approach fits how Thomas Pest Services approaches pest management: looking beyond the pest you're seeing to understand what may be contributing to the problem. It's part of treating the little things like big things.

What Spiders Are You Seeing?

Knowing what's crawling around your home can make spider sightings a lot less unsettling.

FREE DOWNLOAD: Upstate NY Spider Identification Guide

What's That Spider? A Homeowner's Guide to Common Spiders in Upstate New York

Create this as a highly visual one-page identification guide featuring 5–7 commonly encountered spiders.

Seeing a lot of spiders? Look for these clues:

Webs repeatedly returning • Increased insect activity • Spiders in multiple rooms • Activity around windows and doors • Gaps around your home's exterior

Not sure what you're seeing? Thomas Pest Services can help. Request a free estimate!