Letchworth weather in September (Hertfordshire, United Kingdom)

Interested in knowing the climate of Letchworth in September? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

Experience perfect weather in Letchworth in September, characterized by pleasant temperatures and moderate rainfall. During the daylight hours, temperatures often reach 20°C. After dark they usually decrease to around 11°C.

Precipitation

Letchworth in September usually receives moderate rainfall, averaging around 56 mm for the month. When we look at the climate data from the last 30 years, you can expect around 12 days of rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 141 hours hours. A nice balance between sunshine and clouds.

So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July, August and September typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

Letchworth, monthly averages in September

Min Temperature 11°C  

Max Temperature 20°C  

Chance of Rain 40%  

Precipitation 56 mm  

Rainy days 12 days  

Sunshine 141 hours *  

Percentage Sunshine *  

Data from: Cambridge, the United Kingdom (35 KM, 21 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 Letchworth, 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 Letchworth.

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.