Watford weather in September (Hertfordshire, United Kingdom)

Thinking of visiting Watford in September? Check the weather first! This guide provides the necessary weather information for your travel plans.

Temperatures

The weather in Watford during September is typically perfect, with pleasant temperatures and moderate rainfall. During the day, temperatures usually reach up to 20°C. At night, they tend to fall to approximately 11°C.

Precipitation

Watford in September usually receives moderate rainfall, averaging around 56 mm for the month. You can typically expect 12 days days of rain this month, based on climate records.

Average sunshine

The area enjoys a balanced 155 hours of sunlight, ensuring it's neither too overcast nor too sunny.

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 Watford climate page with graphs.

 

Watford, monthly averages in September

Min Temperature 11°C  

Max Temperature 20°C  

Chance of Rain 41%  

Precipitation 56 mm  

Rainy days 12 days  

Humidity 73% *  

Windspeed 11 km/h *  

Sunshine 155 hours *  

Percentage Sunshine 40% *  

* Data from: London, the United Kingdom (19 KM, 12 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 Watford, 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

Barbeque

7/10

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 Watford.

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.