Fall Bat Removal in Utah: The August–October Exclusion Window

Fall Bat Removal in Utah: The August–October Window

August 15 is one of the most important dates on a Utah homeowner’s bat calendar. It marks the end of the maternity season restriction and the start of fall’s prime exclusion window.

Why Fall Exclusion Works So Well

• Pups are fully mobile: All juvenile bats born in May–June are now flying and exiting nightly, exclusion captures the complete colony including this year’s young
• Legal window reopens August 15: UDWR maternity restriction lifts statewide
• Maximum colony size present: Fall reveals the true scope of your bat problem before winter dispersal
• Breaks the return cycle: Bats return to the same roost every spring, fall exclusion breaks that cycle before next year

The Fall Exclusion Calendar

Window	Status	Recommendation
Aug 15–Sep 30	Full colony present, all mobile	Best window, act immediately
October	Colony begins pre-hibernation movement	Still effective, schedule ASAP
November+	Some species leave for hibernation	Winter exclusion still viable

Fall vs. Spring: Which Is Better?

Both are excellent. Fall advantage: largest colony captured, summer guano visible for cleanup planning. Spring advantage: earlier in year, more scheduling flexibility. Best answer: whichever one you actually schedule today.

📞 (801) 675-8829, Free Utah bat removal inspection · UDWR Licensed · Contact form →

Related: All Utah locations · 2026 pricing · Our process · Emergency · Guano cleanup

Utah Wildlife Specialists, UDWR Licensed | 15+ Years | Free Inspections | All of Utah