The following species of butterfly can be seen during September in Warwickshire.
Essex Skipper
Small Skipper
Large Skipper
Large White
Small White
Green Veined White
Clouded Yellow
Brimstone
Wall
Speckled Wood
Small Heath
Meadow Brown
Gatekeeper
Silver Washed Fritillary
Red Admiral
Painted Lady
Peacock
Small Tortoiseshell
Comma
Small Copper
Brown Hairstreak
Holly Blue
Brown Argus
Common Blue
Chalk Hill Blue