Cowes Weather in September

September in Cowes sees daytime temperatures around 20°C (68°F) and lows of 13°C (55°F) at night. With around 62 mm (2.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Cowes in September

Typically around 12 days of rainfall are expected, averaging 62 mm (2.4 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Cowes in September

September is a good time to be in Cowes. Days are perfect, reaching 20°C (68°F), with nights around 13°C (55°F). September is known for being in the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 13°C (55°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 Cowes in September

The area enjoys a balanced 149 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Average water temperature in September

At 17°C (63°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Cowes's climate page.

Cowes Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 20°C (68°F)  

Water Temperature 17°C (63°F) *  

Chance of Rain 39%  

Precipitation 62 mm (2.4 in)  

Rainy days 12 days  

Humidity 82% *  

Sunshine 149 hours *  

Percentage Sunshine 44% *  

* Data from: Southampton, the United Kingdom (17 KM, 11 Miles).

What to Wear in Cowes in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 17°C (63°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Cowes in September

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

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 Kingdom, check out our Cowes's climate page.

More climate data for Cowes

Temperature Rainfall Sunshine Humidity Water Temp

See the full Cowes climate overview or explore weather in the United Kingdom.