Helcystogramma septella is a moth in the Gelechiidae family. It was described by Zeller in 1852. It is found in Malawi, South Africa, Tanzania and Gambia. The wingspan is about 15 mm. The forewings are fuscous suffused with whitish-ochreous and with a whitish-ochreous streak from the costa near the base to beneath the costa before the middle, margined beneath with dark fuscous suffusion towards the base. There is a blackish blotch edged with ochreous-whitish extending along the dorsum from near the base to beyond the middle, with the angles rounded, the upper edge sinuate and the posterior portion more prominent and reaching more than half across the wing. There is also a whitish-ochreous oblique streak from the costa before the middle, edged with dark fuscous posteriorly, nearly reaching