Runnemede Weather in September

September in Runnemede brings high temperatures, with highs of 26°C (79°F) and nights dropping to 16°C (61°F). Rainfall is on the higher side this month, averaging around 105 mm (4.1 in), so keep a rain jacket handy.

Rainfall in Runnemede in September

Looking at the last 30 years, the data shows about 8 days with rain, averaging 105 mm (4.1 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Runnemede in September

September in Runnemede sees highs of 26°C (79°F) and lows of 16°C (61°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 16°C (61°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 Runnemede in September

The city usually sees around 218 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Average water temperature in September

The water is 22°C (72°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you prefer dry days with pleasant temperatures, May 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.

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

Runnemede Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 26°C (79°F)  

Water Temperature 22°C (72°F) *  

Chance of Rain 27%  

Precipitation 105 mm (4.1 in)  

Rainy days 8 days  

Humidity 72% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

* Data from: Philadelphia, the United States of America (13 KM, 8 Miles).

What to Wear in Runnemede in September

Warm but pleasant conditions in Runnemede in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 22°C (72°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Runnemede 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 Runnemede's climate page.

More climate data for Runnemede

Temperature Rainfall Sunshine Humidity Water Temp

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