Fort Washington Weather in September

During September, Fort Washington experiences high daytime temperatures of 26°C (79°F) and cooler nights around 15°C (59°F). Expect quite a bit of rainfall. Around 109 mm (4.3 in) is typical.

Rainfall in Fort Washington in September

Past climate data indicates that roughly 8 days will see rain, totalling around 109 mm (4.3 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Fort Washington in September

September in Fort Washington brings high temperatures, with highs of 26°C (79°F) and nights around 15°C (59°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 15°C (59°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 Fort Washington in September

Expect sunny days throughout the month, with an estimated 218 hours of sunshine. This makes it a pleasant time to visit Fort Washington.

Average water temperature in September

At 22°C (72°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Fort Washington.

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• January
• February
• March
• April

• May
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• 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 Fort Washington's climate page.

Fort Washington Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 26°C (79°F)  

Water Temperature 22°C (72°F) *  

Chance of Rain 27%  

Precipitation 109 mm (4.3 in)  

Rainy days 8 days  

Humidity 72% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

* Data from: Philadelphia, the United States of America (20 KM, 12 Miles).

What to Wear in Fort Washington in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 22°C (72°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Fort Washington in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Fort Washington's climate page.

More climate data for Fort Washington

Temperature Rainfall Sunshine Humidity Water Temp

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