Clwyd Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Clwyd, the United Kingdom in September.

Thinking about venturing to Clwyd, the United Kingdom this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Clwyd in September

Clwyd, the United Kingdom is a region in the United Kingdom. September in Clwyd generally has mild temperatures, with precipitation levels ranging from moderate to high.

Temperatures

You can expect mild maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 11°C (52°F) in Llandudno.

For a closer look at conditions across Clwyd, the United Kingdom, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Hanmer with an average of 65 mm (2.6 in) to high rainfall in Dolwyddelan with 102 mm (4 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Llandudno gets around 111 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Clwyd by month

Pick a month to see the average temperature, rainfall and sunshine in Clwyd — and find the best time to visit. (based on Llandudno)

Best Places to Visit in Clwyd in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Clwyd.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Clwyd

What is the weather like in September for some of the most popular destinations in Clwyd, the United Kingdom?

Temperature range in Clwyd (September)

Precipitation variation in Clwyd (September)

Llandudno

In September Llandudno generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
19°C (66°F)
18°C (64°F)
15°C (59°F)
Min temperature
13°C (55°F)
11°C (52°F)
9°C (48°F)
Monthly sun hours
145 hours
111 hours
83 hours
Monthly rainfall
89 mm (3.5 in)
90 mm (3.5 in)
102 mm (4 in)
Monthly rainy days
16 days
17 days
19 days
Weather conditions

Betws-y-coed

In September Betws-y-coed generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
19°C (66°F)
17°C (63°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
145 hours
111 hours
83 hours
Monthly rainfall
100 mm (3.9 in)
95 mm (3.7 in)
111 mm (4.4 in)
Monthly rainy days
17 days
17 days
20 days
Weather conditions

Conwy

In September Conwy generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
14°C (57°F)
Min temperature
13°C (55°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
145 hours
111 hours
83 hours
Monthly rainfall
89 mm (3.5 in)
87 mm (3.4 in)
97 mm (3.8 in)
Monthly rainy days
16 days
17 days
19 days
Weather conditions

Llangollen

In September Llangollen generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
145 hours
111 hours
83 hours
Monthly rainfall
77 mm (3 in)
72 mm (2.8 in)
82 mm (3.2 in)
Monthly rainy days
16 days
16 days
18 days
Weather conditions

Prestatyn

In September Prestatyn generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
20°C (68°F)
18°C (64°F)
15°C (59°F)
Min temperature
13°C (55°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
177 hours
132 hours
98 hours
Monthly rainfall
88 mm (3.5 in)
87 mm (3.4 in)
95 mm (3.7 in)
Monthly rainy days
16 days
16 days
18 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Clwyd, in the United Kingdom.

Popular cities in September

Day & night temperatures, rainfall and average weather in Clwyd in September.

City Weather Day temp Night temp Rainfall
Llandudno 18°C (64°F) 11°C (52°F) 90 mm (3.5 in)
Betws-y-coed 17°C (63°F) 10°C (50°F) 95 mm (3.7 in)
Conwy 18°C (64°F) 11°C (52°F) 87 mm (3.4 in)
Llangollen 18°C (64°F) 10°C (50°F) 72 mm (2.8 in)
Prestatyn 18°C (64°F) 12°C (54°F) 87 mm (3.4 in)
Chirk 18°C (64°F) 10°C (50°F) 68 mm (2.7 in)

Clwyd weather in September: frequently asked questions

What is the weather like in Clwyd, the United Kingdom in September?

September in Clwyd, the United Kingdom brings pleasant weather. In Llandudno, daytime temperatures are typically around 18°C (64°F) and nighttime lows hover near 11°C (52°F).

What is the average temperature in Clwyd, the United Kingdom in September?

Llandudno averages a daytime maximum of 18°C (64°F) in September, with overnight lows close to 11°C (52°F).

Does Clwyd, the United Kingdom get a lot of rain in September?

September is on the drier side in Clwyd, the United Kingdom. Llandudno averages only about 90 mm (3.5 in), with most days staying dry.

Is September a Good Time to Visit Clwyd, the United Kingdom?

Given the typically pleasant weather conditions in Llandudno, September might be a good time to visit Clwyd, the United Kingdom. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, July provides perfect weather in Llandudno. The weather in January, February, March, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Clwyd.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed 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.

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