Windsor Weather in September

September in Windsor sees daytime temperatures around 20°C (68°F) and lows of 11°C (52°F) at night. The perfect weather makes it a good time to visit.

Rainfall in Windsor in September

Typically around 12 days of rainfall are expected, averaging 55 mm (2.2 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Windsor in September

Weather in Windsor is at its perfect in September. Highs reach 20°C (68°F), while nights settle around 11°C (52°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Windsor in September

The area experiences a moderate amount of sunshine, with approximately 155 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Windsor in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

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

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

Windsor Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 40%  

Precipitation 55 mm (2.2 in)  

Rainy days 12 days  

Humidity 73% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 155 hours *  

Percentage Sunshine 40% *  

* Data from: London, the United Kingdom (11 KM, 7 Miles).

What to Wear in Windsor in September

For Windsor in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Windsor 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

Barbeque

7/10

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 Windsor's climate page.

More climate data for Windsor

Temperature Rainfall Sunshine Humidity Wind Speed

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