Monmouth Weather in September

September in Monmouth brings pleasant temperatures around 19°C (66°F) during the day, dropping to 10°C (50°F) at night, with quite a bit of rainfall expected, averaging around 62 mm (2.4 in) for the month.

Rainfall in Monmouth in September

Historically, approximately 14 days this month are expected to have rain, averaging 62 mm (2.4 in). 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 Monmouth in September

Expect highs of 19°C (66°F) in Monmouth in September, with nights dropping to around 10°C (50°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 10°C (50°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 Monmouth in September

The area enjoys a balanced 151 hours of sunlight, ensuring it's neither too overcast nor too sunny.

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

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 Monmouth's climate page.

Monmouth Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 46%  

Precipitation 62 mm (2.4 in)  

Rainy days 14 days  

Sunshine 151 hours *  

Percentage Sunshine *  

* Data from: Bristol, the United Kingdom (41 KM, 25 Miles).

What to Wear in Monmouth 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 Monmouth 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 Monmouth's climate page.

More climate data for Monmouth

Temperature Rainfall Sunshine

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