Down County Weather in September

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

Considering a trip to Down County, the United Kingdom this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Down County in September

Down County, the United Kingdom is a region in the United Kingdom. September in Down County generally has mild temperatures, with moderate precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 16°C (61°F) and nighttime temperatures around 12°C (54°F) in Bangor.

To learn more about the conditions in specific areas of Down County, the United Kingdom, check out the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Banbridge with an average of 75 mm (3 in) to moderate rainfall in Bangor with 95 mm (3.7 in).

Average sunshine

Sunshine is fairly consistent across many areas. Bangor receives about 109 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Down County by month

Pick a month to see the average temperature, rainfall and sunshine in Down County - and find the best time to visit. (based on Bangor)

Best Places to Visit in Down County in September

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

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 Down County

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

Temperature range in Down County (September)

Precipitation variation in Down County (September)

Bangor

In September Bangor generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are good that month.

August
September
October
Max temperature
17°C (63°F)
16°C (61°F)
14°C (57°F)
Min temperature
13°C (55°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
139 hours
109 hours
85 hours
Monthly rainfall
97 mm (3.8 in)
95 mm (3.7 in)
121 mm (4.8 in)
Monthly rainy days
17 days
17 days
19 days
Weather conditions

Newcastle

In September Newcastle generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are good that month.

August
September
October
Max temperature
18°C (64°F)
17°C (63°F)
14°C (57°F)
Min temperature
13°C (55°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
139 hours
109 hours
85 hours
Monthly rainfall
93 mm (3.7 in)
89 mm (3.5 in)
110 mm (4.3 in)
Monthly rainy days
17 days
17 days
19 days
Weather conditions

Rostrevor

In September Rostrevor generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are good 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)
11°C (52°F)
8°C (46°F)
Monthly sun hours
139 hours
109 hours
85 hours
Monthly rainfall
89 mm (3.5 in)
79 mm (3.1 in)
91 mm (3.6 in)
Monthly rainy days
17 days
17 days
19 days
Weather conditions

Hillsborough

In September Hillsborough generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are good 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)
11°C (52°F)
8°C (46°F)
Monthly sun hours
139 hours
109 hours
85 hours
Monthly rainfall
90 mm (3.5 in)
79 mm (3.1 in)
92 mm (3.6 in)
Monthly rainy days
18 days
18 days
20 days
Weather conditions

Warrenpoint

In September Warrenpoint 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 very good that month.

August
September
October
Max temperature
19°C (66°F)
18°C (64°F)
14°C (57°F)
Min temperature
12°C (54°F)
10°C (50°F)
8°C (46°F)
Monthly sun hours
139 hours
109 hours
85 hours
Monthly rainfall
88 mm (3.5 in)
75 mm (3 in)
85 mm (3.3 in)
Monthly rainy days
17 days
17 days
19 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Bangor 16°C (61°F) 12°C (54°F) 95 mm (3.7 in)
Newcastle 17°C (63°F) 12°C (54°F) 89 mm (3.5 in)
Rostrevor 17°C (63°F) 11°C (52°F) 79 mm (3.1 in)
Hillsborough 17°C (63°F) 11°C (52°F) 79 mm (3.1 in)
Warrenpoint 18°C (64°F) 10°C (50°F) 75 mm (3 in)
Annalong 17°C (63°F) 12°C (54°F) 92 mm (3.6 in)

Down County weather in September: frequently asked questions

What is the weather like in Down County, the United Kingdom in September?

September in Down County, the United Kingdom brings good weather. In Bangor, daytime temperatures are typically around 16°C (61°F) and nighttime lows hover near 12°C (54°F).

What is the average temperature in Down County, the United Kingdom in September?

In Bangor, the average daytime high in September is 16°C (61°F), while nighttime temperatures drop to around 12°C (54°F).

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

September is on the drier side in Down County, the United Kingdom. Bangor averages only about 95 mm (3.7 in), with most days staying dry.

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

We consider September to be one of the best times to travel to Down County, the United Kingdom. Typically, the climate in Bangor is good. However, the weather conditions may vary depending on your destination.

Generally speaking, June, July, August and September provide good weather in Bangor. In contrast, January, February, March, November and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Down 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.