Isle of Lewis Weather in September

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

Planning a journey to Isle of Lewis, the United Kingdom this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Isle of Lewis in September

Isle of Lewis, the United Kingdom is a region in the United Kingdom. September in Isle of Lewis 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 11°C (52°F) in Barvas.

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

Precipitation

September is a rainy month with an average rainfall of around 107 mm (4.2 in) in Barvas.

Average sunshine

Most areas see decent amounts of sunshine this month. Barvas gets around 107 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Isle of Lewis by month

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

Best Places to Visit in Isle of Lewis in September

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

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 Lewis

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

Temperature range in Isle of Lewis (September)

Precipitation variation in Isle of Lewis (September)

Barvas

In September Barvas generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 11°C (52°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
12°C (54°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
129 hours
107 hours
82 hours
Monthly rainfall
103 mm (4.1 in)
107 mm (4.2 in)
121 mm (4.8 in)
Monthly rainy days
21 days
24 days
25 days
Weather conditions

Stornoway

In September Stornoway generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 11°C (52°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
12°C (54°F)
11°C (52°F)
9°C (48°F)
Monthly sun hours
129 hours
107 hours
82 hours
Monthly rainfall
105 mm (4.1 in)
108 mm (4.3 in)
123 mm (4.8 in)
Monthly rainy days
21 days
24 days
25 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Barvas 16°C (61°F) 11°C (52°F) 107 mm (4.2 in)
Stornoway 16°C (61°F) 11°C (52°F) 108 mm (4.3 in)

Isle of Lewis weather in September: frequently asked questions

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

September in Isle of Lewis, the United Kingdom brings unpleasant weather. In Barvas, daytime temperatures are typically around 16°C (61°F) and nighttime lows hover near 11°C (52°F).

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

In Barvas, the average daytime high in September is 16°C (61°F), while nighttime temperatures drop to around 11°C (52°F).

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

Isle of Lewis, the United Kingdom sees substantial rainfall in September. Barvas typically averages about 107 mm (4.2 in), a mix of wet and dry days, but bring an umbrella.

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

In our opinion, September may not be the ideal time to visit Isle of Lewis, the United Kingdom due to the typically unpleasant weather in Barvas.

Generally speaking, the best visiting conditions can be found in May, June and July offering mostly tolerable weather in Barvas. On the other hand, the weather in January, February, March, October, November and December tend to be poor.

Interested in more climate information?

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

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

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