Windsor
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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 excellent 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 excellent 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.

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).

Windsor Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Windsor - and find the best time to visit.

Best Places in the United Kingdom in September

Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Windsor 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

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