Inverness

Highlands Weather in September

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

Planning a journey to the Highlands, 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 the Highlands in September

The Highlands, the United Kingdom is a region in the United Kingdom. September in the Highlands generally has mild temperatures, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum temperatures are mild and range from 14°C (57°F) in Newtonmore to 17°C (63°F) in Cromarty. Nighttime temperatures generally drop to 9°C (48°F) in Cromarty and 7°C (45°F) in Newtonmore.

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

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Cromarty with an average of 73 mm (2.9 in) to heavy rainfall in Arisaig with 213 mm (8.4 in).

Average sunshine

Sunshine is moderately available across various locations. In Inverness, you can expect around 115 hours of sunlight in September, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore the Highlands by month

Pick a month to see the average temperature, rainfall and sunshine in the Highlands — and find the best time to visit. (based on Inverness)

Best Places to Visit in the Highlands in September

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

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 the Highlands

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

Temperature range in the Highlands (September)

Precipitation variation in the Highlands (September)

Inverness

In September Inverness generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
19°C (66°F)
16°C (61°F)
13°C (55°F)
Min temperature
11°C (52°F)
9°C (48°F)
6°C (43°F)
Monthly sun hours
132 hours
115 hours
86 hours
Monthly rainfall
91 mm (3.6 in)
81 mm (3.2 in)
96 mm (3.8 in)
Monthly rainy days
17 days
19 days
19 days
Weather conditions

Fort William

In September Fort William generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 8°C (46°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
17°C (63°F)
15°C (59°F)
12°C (54°F)
Min temperature
10°C (50°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
141 hours
87 hours
75 hours
Monthly rainfall
157 mm (6.2 in)
169 mm (6.7 in)
198 mm (7.8 in)
Monthly rainy days
20 days
23 days
24 days
Weather conditions

Fort Augustus

In September Fort Augustus generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
17°C (63°F)
15°C (59°F)
11°C (52°F)
Min temperature
9°C (48°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
132 hours
115 hours
86 hours
Monthly rainfall
113 mm (4.4 in)
114 mm (4.5 in)
137 mm (5.4 in)
Monthly rainy days
20 days
22 days
23 days
Weather conditions

Nairn

In September Nairn generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
19°C (66°F)
17°C (63°F)
13°C (55°F)
Min temperature
11°C (52°F)
10°C (50°F)
7°C (45°F)
Monthly sun hours
132 hours
115 hours
86 hours
Monthly rainfall
89 mm (3.5 in)
78 mm (3.1 in)
91 mm (3.6 in)
Monthly rainy days
17 days
19 days
19 days
Weather conditions

Drumnadrochit

In September Drumnadrochit generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
18°C (64°F)
16°C (61°F)
12°C (54°F)
Min temperature
10°C (50°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
132 hours
115 hours
86 hours
Monthly rainfall
92 mm (3.6 in)
88 mm (3.5 in)
108 mm (4.3 in)
Monthly rainy days
18 days
21 days
21 days
Weather conditions

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

Popular cities in September

Day & night temperatures, rainfall and average weather in the Highlands in September.

City Weather Day temp Night temp Rainfall
Inverness 16°C (61°F) 9°C (48°F) 81 mm (3.2 in)
Fort William 15°C (59°F) 8°C (46°F) 169 mm (6.7 in)
Fort Augustus 15°C (59°F) 8°C (46°F) 114 mm (4.5 in)
Nairn 17°C (63°F) 10°C (50°F) 78 mm (3.1 in)
Drumnadrochit 16°C (61°F) 8°C (46°F) 88 mm (3.5 in)
Grantown on Spey 15°C (59°F) 8°C (46°F) 85 mm (3.3 in)

The Highlands weather in September: frequently asked questions

What is the weather like in the Highlands, the United Kingdom in September?

September in the Highlands, the United Kingdom brings tolerable weather. In Inverness, daytime temperatures are typically around 16°C (61°F) and nighttime lows hover near 9°C (48°F).

What is the average temperature in the Highlands, the United Kingdom in September?

Average temperatures in the Highlands, the United Kingdom during September range from a nighttime low near 9°C (48°F) to a daytime high around 16°C (61°F) in Inverness.

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

Rain is generally moderate to light in the Highlands, the United Kingdom during September, with Inverness averaging close to 81 mm (3.2 in).

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

Given the typically tolerable weather conditions in Inverness, September might be a good time to visit the Highlands, the United Kingdom.

On average, the best time to visit the Highlands, the United Kingdom is in July and August with generally pleasant weather in Inverness. On the other hand, the months of 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 the Highlands.

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.