Killeen Weather in September

September in Killeen brings very high temperatures around 33°C (91°F) during the day, dropping to 20°C (68°F) at night, with quite a bit of rainfall expected, averaging around 93 mm (3.7 in) for the month.

Rainfall in Killeen in September

This month experiences about 6 days of rain according to historical data, averaging 93 mm (3.7 in). Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in Killeen in September

Daytime temperatures in Killeen reach 33°C (91°F) in September, dropping to 20°C (68°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights drop to around 20°C (68°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Killeen in September

With approximately 229 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Should you favor a climate that's both dry and comfortably warm, April and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.