Temperature in Glamorgan in September

Daytime highs, nighttime lows and the warmest cities in Glamorgan, the United Kingdom this September.

Glamorgan, the United Kingdom, a region in the United Kingdom, typically experiences pleasant weather in September, with maximum daytime temperatures around 18°C (64°F) and nighttime temperatures around 12°C (54°F) in Cardiff. September falls during the summer season.

What is the temperature of the different cities in Glamorgan, the United Kingdom in September?

Discover the typical September temperatures for the most popular locations of Glamorgan on the map below. Detailed insights are just a click away.

Select a Month

Check the conditions for any month of the year.

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

See also: Glamorgan weather by month.

Best Places to Visit in Glamorgan in September

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

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Glamorgan

Glamorgan temperatures in September: frequently asked questions

How hot does it get in Glamorgan, the United Kingdom in September?

Daytime temperatures in Cardiff typically peak at 18°C (64°F) in September, putting it in the pleasant range.

How cold does it get at night in Glamorgan, the United Kingdom in September?

Average overnight lows in Glamorgan, the United Kingdom during September sit near 12°C (54°F) in Cardiff.

How much sun does Glamorgan, the United Kingdom get in September?

Most cities enjoy a balanced amount of sunshine, with around 149 hours of sunlight anticipated in Cardiff. This ensures the days are neither too dim nor excessively sunny.

What is the water temperature in September?

The water temperature averages approximately 15°C (59°F) in Cardiff this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in Glamorgan.

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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