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Down County weather in September

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

What is the weather like in Down County in September?

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

You can expect moderate maximum daytime temperatures of around 16°C and nighttime temperatures around 12°C in Bangor.

In September, precipitation varies across different areas. From moderate rainfall in Banbridge with an average of 75 mm to moderate rainfall in Bangor with 95 mm. Most areas experience a moderate amount of sunshine, with approximately 109 hours of sunlight expected in Bangor. This makes it neither too gloomy nor overly bright.

To learn more about the conditions in specific areas of Down County in September, check out the map below. For more details on the yearly weather, visit our Down County climate page.

Where to go in Down County in September

Find the average weather conditions in September for the most popular destinations in Down County on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Down County

What is the weather like in September for the 5 most popular destinations in Down County?

Average weather in Bangor

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

Bangor
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
17°C 
13°C 
139 hours 
97 mm 
17 days 
16°C 
12°C 
109 hours 
95 mm 
17 days 
October   >> October
>>  
14°C 
10°C 
85 hours 
121 mm 
19 days 
Climate in Bangor

Average weather in Newcastle

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

Newcastle
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
18°C 
13°C 
139 hours 
93 mm 
17 days 
17°C 
12°C 
109 hours 
89 mm 
17 days 
October   >> October
>>  
14°C 
9°C 
85 hours 
110 mm 
19 days 
Climate in Newcastle

Average weather in Rostrevor

In September Rostrevor generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Rostrevor
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
19°C 
12°C 
139 hours 
89 mm 
17 days 
17°C 
11°C 
109 hours 
79 mm 
17 days 
October   >> October
>>  
14°C 
8°C 
85 hours 
91 mm 
19 days 
Climate in Rostrevor

Average weather in Hillsborough

In September Hillsborough generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Hillsborough
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
19°C 
12°C 
139 hours 
90 mm 
18 days 
17°C 
11°C 
109 hours 
79 mm 
18 days 
October   >> October
>>  
14°C 
8°C 
85 hours 
92 mm 
20 days 
Climate in Hillsborough

Average weather in Warrenpoint

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

Warrenpoint
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
19°C 
12°C 
139 hours 
88 mm 
17 days 
18°C 
10°C 
109 hours 
75 mm 
17 days 
October   >> October
>>  
14°C 
8°C 
85 hours 
85 mm 
19 days 
Climate in Warrenpoint

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

Is September the best time to visit Down County?

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

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

Interested in more climate information?

We have much more information about the climate in Down County. Interested in the weather conditions in a specific month? Select the month below.

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  • 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 climate conditions. Find out where to go with our weather planner.