Grantham weather in September (Lincolnshire, United Kingdom)

Wondering what the weather is like in Grantham during September? Our page offers a comprehensive look at the weather you can expect this month.

Temperatures

The weather in Grantham is usually perfect in September, characterized by pleasant temperatures and moderate rainfall. Expect temperatures to climb to 20°C during the day, with nighttime readings dropping to 11°C.

Precipitation

Grantham in September usually receives moderate rainfall, averaging around 62 mm for the month. Climate data suggests that about 12 days will experience rainfall.

Average sunshine

Expect a moderate amount of sunlight, with approximately 139 hours. This means a pleasant mix of sun 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 Grantham climate page with graphs.

 

Grantham, monthly averages in September

Min Temperature 11°C  

Max Temperature 20°C  

Chance of Rain 41%  

Precipitation 62 mm  

Rainy days 12 days  

Humidity 81% *  

Sunshine 139 hours *  

Percentage Sunshine *  

Data from: Nottingham, the United Kingdom (34 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

Map not visible? Whoops sorry! Please refresh the page.

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 Grantham, 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 Grantham.

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.