Slough Weather in September

September in Slough typically sees daytime highs of 20°C (68°F) and nighttime lows of 11°C (52°F). Expect some rainfall during the month.

Rainfall in Slough in September

Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 55 mm (2.2 in) on average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Slough in September

September tends to be one of the perfect months in Slough, with 20°C (68°F) in the afternoon and 11°C (52°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Slough in September

The month experiences a moderate amount of sunlight, with 155 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Slough in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Slough.

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

Slough 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 (10 KM, 6 Miles).

What to Wear in Slough in September

For Slough 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Slough 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 Slough's climate page.

More climate data for Slough

Temperature Rainfall Sunshine Humidity Wind Speed

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