Lamlash

Isle of Arran Weather in September

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

Thinking about venturing to Isle of Arran, 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 Isle of Arran in September

Isle of Arran, the United Kingdom is a region in the United Kingdom. September in Isle of Arran generally has mild temperatures, with high precipitation.

Temperatures

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

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

Precipitation

In September, precipitation varies across different areas. From high rainfall in Kildonan with an average of 126 mm (5 in) to high rainfall in Lochranza with 144 mm (5.7 in).

Average sunshine

Sunshine levels are moderate in most locations. Lamlash typically sees 117 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Isle of Arran by month

Pick a month to see the average temperature, rainfall and sunshine in Isle of Arran — and find the best time to visit. (based on Lamlash)

Best Places to Visit in Isle of Arran in September

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

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 Isle of Arran

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

Temperature range in Isle of Arran (September)

Precipitation variation in Isle of Arran (September)

Lamlash

In September Lamlash generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are unpleasant 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
145 hours
117 hours
88 hours
Monthly rainfall
126 mm (5 in)
129 mm (5.1 in)
180 mm (7.1 in)
Monthly rainy days
19 days
21 days
22 days
Weather conditions

Brodick

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

August
September
October
Max temperature
17°C (63°F)
16°C (61°F)
13°C (55°F)
Min temperature
13°C (55°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
145 hours
117 hours
88 hours
Monthly rainfall
128 mm (5 in)
130 mm (5.1 in)
182 mm (7.2 in)
Monthly rainy days
19 days
21 days
22 days
Weather conditions

Kildonan

In September Kildonan generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are unpleasant 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
145 hours
117 hours
88 hours
Monthly rainfall
123 mm (4.8 in)
126 mm (5 in)
175 mm (6.9 in)
Monthly rainy days
19 days
20 days
21 days
Weather conditions

Lochranza

In September Lochranza generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
16°C (61°F)
15°C (59°F)
13°C (55°F)
Min temperature
13°C (55°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
145 hours
117 hours
88 hours
Monthly rainfall
140 mm (5.5 in)
144 mm (5.7 in)
198 mm (7.8 in)
Monthly rainy days
19 days
21 days
22 days
Weather conditions

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Isle of Arran in September.

City Weather Day temp Night temp Rainfall
Lamlash 16°C (61°F) 12°C (54°F) 129 mm (5.1 in)
Brodick 16°C (61°F) 12°C (54°F) 130 mm (5.1 in)
Kildonan 16°C (61°F) 12°C (54°F) 126 mm (5 in)
Lochranza 15°C (59°F) 12°C (54°F) 144 mm (5.7 in)

Isle of Arran weather in September: frequently asked questions

What is the weather like in Isle of Arran, the United Kingdom in September?

September in Isle of Arran, the United Kingdom brings unpleasant weather. In Lamlash, daytime temperatures are typically around 16°C (61°F) and nighttime lows hover near 12°C (54°F).

What is the average temperature in Isle of Arran, the United Kingdom in September?

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

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

Isle of Arran, the United Kingdom sees substantial rainfall in September. Lamlash typically averages about 129 mm (5.1 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Isle of Arran, the United Kingdom?

Given the typically unpleasant weather conditions in Lamlash, September may not be the ideal time to visit Isle of Arran, the United Kingdom.

On average, the best time to visit Isle of Arran, the United Kingdom is in June with generally tolerable weather in Lamlash. On the other hand, the weather in January, February, March, April, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Isle of Arran.

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.