Alton Weather in September

September is one of the perfect months to visit Alton, with daytime temperatures of 20°C (68°F) and lows of 11°C (52°F) at night. Some rainfall is typical for this time of year.

Rainfall in Alton in September

Analyzing past climate data, one can expect approximately 12 days of rain, averaging 59 mm (2.3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Alton in September

If you're visiting Alton in September, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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 Alton in September

The month experiences a moderate amount of sunlight, with 149 hours of sunshine. This provides a nice balance between sunshine and clouds.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Alton.

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

Alton Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 41%  

Precipitation 59 mm (2.3 in)  

Rainy days 12 days  

Humidity 82% *  

Sunshine 149 hours *  

Percentage Sunshine 44% *  

* Data from: Southampton, the United Kingdom (40 KM, 24 Miles).

What to Wear in Alton in September

For Alton 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 Alton 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 Alton's climate page.

More climate data for Alton

Temperature Rainfall Sunshine Humidity

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