Chalfont Saint Giles Weather in September

September in Chalfont Saint Giles brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 11°C (52°F). The excellent weather makes it a solid choice for a visit.

Rainfall in Chalfont Saint Giles in September

Past climate data indicates that roughly 12 days will see rain, totalling around 56 mm (2.2 in) 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 Chalfont Saint Giles in September

September is a good time to be in Chalfont Saint Giles. Days are excellent, reaching 20°C (68°F), with nights around 11°C (52°F). Conditions are often most pleasant around the middle of the day. 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 Chalfont Saint Giles in September

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

Wind Speed in Chalfont Saint Giles in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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 Chalfont Saint Giles's climate page.

Chalfont Saint Giles Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 40%  

Precipitation 56 mm (2.2 in)  

Rainy days 12 days  

Humidity 73% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 155 hours *  

Percentage Sunshine 40% *  

* Data from: London, the United Kingdom (16 KM, 10 Miles).

What to Wear in Chalfont Saint Giles in September

For Chalfont Saint Giles in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Chalfont Saint Giles 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 Chalfont Saint Giles's climate page.

More climate data for Chalfont Saint Giles

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Chalfont Saint Giles climate overview or explore weather in the United Kingdom.