Germantown Weather in September

September in Germantown averages 23°C (73°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 86 mm (3.4 in) on average. An umbrella is a good idea.

Rainfall in Germantown in September

You can expect rain on roughly 11 days based on historical data, averaging 86 mm (3.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Germantown in September

Germantown in September has perfect weather. Days reach 23°C (73°F) and nights cool to 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Germantown in September

With approximately 220 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Germantown.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Germantown's climate page.

Germantown Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 36%  

Precipitation 86 mm (3.4 in)  

Rainy days 11 days  

Sunshine 220 hours *  

Percentage Sunshine *  

* Data from: Port Washington, the United States of America (25 KM, 16 Miles).

What to Wear in Germantown in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Germantown in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Germantown's climate page.

More climate data for Germantown

Temperature Rainfall Sunshine

See the full Germantown climate overview or explore weather in the United States of America.