Dumbarton weather in September (Strathclyde, United Kingdom)

Is September a good time to explore Dumbarton weather-wise? Get all the weather information you need to plan your visit.

Temperatures

In September, Dumbarton typically experiences moderate temperatures and high rainfall. Anticipate daytime highs near 17°C, and cooler nights with temperatures around 9°C.

Precipitation

Dumbarton in September usually receives high rainfall, averaging around 116 mm for the month. On average, there are about 20 days with rain during this month.

Average sunshine

Expect a moderate amount of sunlight, with approximately 117 hours. This means a pleasant mix of sun and clouds.

If you prefer dry days with pleasant temperatures, May, July and August typically offer the best circumstances. While January, February, March, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Dumbarton climate page with graphs.

 

Dumbarton, monthly averages in September

Min Temperature 9°C  

Max Temperature 17°C  

Chance of Rain 68%  

Precipitation 116 mm  

Rainy days 20 days  

Humidity 79% *  

Sunshine 117 hours *  

Percentage Sunshine 29% *  

Data from: Glasgow, Scotland (12 KM, 7 Miles).

Where to go 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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

For visitors traveling to Dumbarton, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Dumbarton.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.