Germantown Weather in September

September in Germantown averages 26°C (79°F) during the day and 15°C (59°F) at night. Quite a bit of rainfall is typical this month, with around 116 mm (4.6 in) on average. An umbrella is a good idea.

Rainfall in Germantown in September

The climate data from previous years indicates about 9 days of rain, averaging 116 mm (4.6 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Germantown in September

In September, Germantown gets high temperatures, with highs of 26°C (79°F). Nights cool to around 15°C (59°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Germantown in September

The city usually sees around 225 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.