Hemel Hempstead Weather in September

Thinking of visiting Hemel Hempstead in September? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 11°C (52°F) at night, with some rainfall likely.

Rainfall in Hemel Hempstead in September

You can expect rain on around 12 days based on historical patterns, with 58 mm (2.3 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Hemel Hempstead in September

September is a perfect month in Hemel Hempstead, with 20°C (68°F) during the day and 11°C (52°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Hemel Hempstead in September

With about 155 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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 Hemel Hempstead's climate page.

Hemel Hempstead Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 41%  

Precipitation 58 mm (2.3 in)  

Rainy days 12 days  

Humidity 73% *  

Sunshine 155 hours *  

Percentage Sunshine 40% *  

* Data from: London, the United Kingdom (29 KM, 18 Miles).

What to Wear in Hemel Hempstead 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Hemel Hempstead 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

Barbeque

7/10

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 Hemel Hempstead's climate page.

More climate data for Hemel Hempstead

Temperature Rainfall Sunshine Humidity

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