Temperature in Antrim County in September

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

Antrim County, the United Kingdom, a region in the United Kingdom, typically experiences mild weather in September, with maximum daytime temperatures around 17°C (63°F) and nighttime temperatures around 11°C (52°F) in Belfast. September is a summer month.

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

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

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

See also: Antrim County weather by month.

Best Places to Visit in Antrim County in September

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

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 Antrim County

Antrim County temperatures in September: frequently asked questions

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

Average daytime highs in Antrim County, the United Kingdom during September reach about 17°C (63°F) in Belfast.

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

After dark, Belfast cools to about 11°C (52°F) on an average September night.

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

Most cities enjoy a balanced amount of sunshine, with around 109 hours of sunlight anticipated in Belfast. This ensures the days are neither too dim nor excessively sunny.

Interested in more climate information?

We have much more information about the climate in Antrim County.

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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