Isle of Man Weather in September

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

Are you planning a trip a to Isle of Man, the United Kingdom in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Isle of Man in September

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

Temperatures

You can expect mild maximum daytime temperatures of around 17°C (63°F) and nighttime temperatures around 13°C (55°F) in Douglas.

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

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Port Erin with an average of 90 mm (3.5 in) to moderate rainfall in Ramsey with 99 mm (3.9 in).

Explore Isle of Man by month

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

Best Places to Visit in Isle of Man in September

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

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 Man

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

Temperature range in Isle of Man (September)

Precipitation variation in Isle of Man (September)

Douglas

In September Douglas generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
17°C (63°F)
17°C (63°F)
15°C (59°F)
Min temperature
14°C (57°F)
13°C (55°F)
11°C (52°F)
Monthly rainfall
83 mm (3.3 in)
95 mm (3.7 in)
127 mm (5 in)
Monthly rainy days
15 days
16 days
19 days
Weather conditions

Port Erin

In September Port Erin generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
17°C (63°F)
16°C (61°F)
15°C (59°F)
Min temperature
14°C (57°F)
13°C (55°F)
11°C (52°F)
Monthly rainfall
79 mm (3.1 in)
90 mm (3.5 in)
121 mm (4.8 in)
Monthly rainy days
15 days
16 days
18 days
Weather conditions

Castletown

In September Castletown generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
17°C (63°F)
16°C (61°F)
15°C (59°F)
Min temperature
14°C (57°F)
13°C (55°F)
11°C (52°F)
Monthly rainfall
80 mm (3.1 in)
92 mm (3.6 in)
123 mm (4.8 in)
Monthly rainy days
15 days
16 days
18 days
Weather conditions

Laxey

In September Laxey generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
17°C (63°F)
17°C (63°F)
15°C (59°F)
Min temperature
14°C (57°F)
13°C (55°F)
11°C (52°F)
Monthly rainfall
85 mm (3.3 in)
96 mm (3.8 in)
125 mm (4.9 in)
Monthly rainy days
15 days
16 days
19 days
Weather conditions

Ramsey

In September Ramsey generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
17°C (63°F)
17°C (63°F)
15°C (59°F)
Min temperature
14°C (57°F)
13°C (55°F)
11°C (52°F)
Monthly rainfall
88 mm (3.5 in)
99 mm (3.9 in)
129 mm (5.1 in)
Monthly rainy days
15 days
16 days
19 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Douglas 17°C (63°F) 13°C (55°F) 95 mm (3.7 in)
Port Erin 16°C (61°F) 13°C (55°F) 90 mm (3.5 in)
Castletown 16°C (61°F) 13°C (55°F) 92 mm (3.6 in)
Laxey 17°C (63°F) 13°C (55°F) 96 mm (3.8 in)
Ramsey 17°C (63°F) 13°C (55°F) 99 mm (3.9 in)

Isle of Man weather in September: frequently asked questions

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

Isle of Man, the United Kingdom typically experiences tolerable weather in September, part of the season. Daytime highs in Douglas average around 17°C (63°F), and temperatures drop to about 13°C (55°F) at night.

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

Daytime temperatures in Douglas peak at roughly 17°C (63°F) in September, dropping to about 13°C (55°F) overnight.

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

Not particularly. Douglas averages just 95 mm (3.7 in) of rain in September, making it a mostly dry month for Isle of Man, the United Kingdom.

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

We believe that September is one of the best times to visit Isle of Man, the United Kingdom with overall tolerable weather in Douglas. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Isle of Man, the United Kingdom is in June, July, August and September with generally tolerable weather in Douglas. The weather in January, February, March, April, November and December, on the other hand, tends to be poor.

Interested in more climate information?

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

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.