Harpenden weather in September (Hertfordshire, United Kingdom)

What's the typical weather in Harpenden for September? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

The weather in Harpenden is usually perfect in September, featuring pleasant temperatures and moderate rainfall. During the day, temperatures can climb to about 20°C. At night, they may fall to a cooler 11°C.

Precipitation

Harpenden in September usually receives moderate rainfall, averaging around 57 mm for the month. Climate statistics over the past 30 years suggest around 12 days of rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 138 hours hours. A nice balance between sunshine and clouds.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. June, July, August and September generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

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

 

Harpenden, monthly averages in September

Min Temperature 11°C  

Max Temperature 20°C  

Chance of Rain 41%  

Precipitation 57 mm  

Rainy days 12 days  

Sunshine 138 hours *  

Percentage Sunshine *  

Data from: Milton Keynes, the United Kingdom (36 KM, 22 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 Harpenden, 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

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

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

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.