Harpenden Weather in September

With daytime temperatures of 20°C (68°F) and nighttime lows of 11°C (52°F), September in Harpenden brings pleasant temperatures during the day. The perfect weather makes it an appealing time to visit.

Rainfall in Harpenden in September

Climate statistics over the past 30 years suggest around 12 days of rain, with 57 mm (2.2 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Harpenden in September

If you're visiting Harpenden in September, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 11°C (52°F). Conditions are often most pleasant around the middle of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Harpenden in September

The area experiences a moderate amount of sunshine, with approximately 138 hours of sunlight expected. This means a decent mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Harpenden.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Harpenden's climate page.

Harpenden Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 41%  

Precipitation 57 mm (2.2 in)  

Rainy days 12 days  

Sunshine 138 hours *  

Percentage Sunshine *  

* Data from: Milton Keynes, the United Kingdom (36 KM, 22 Miles).

What to Wear in Harpenden in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Harpenden in September

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Harpenden's climate page.

More climate data for Harpenden

Temperature Rainfall Sunshine

See the full Harpenden climate overview or explore weather in the United Kingdom.