Arrochar Weather in September

September in Arrochar brings moderate temperatures around 16°C (61°F) during the day, dropping to 8°C (46°F) at night, with quite a bit of rainfall expected, averaging around 157 mm (6.2 in) for the month.

Rainfall in Arrochar in September

This month experiences about 22 days of rain according to historical data, averaging 157 mm (6.2 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Arrochar in September

In September, Arrochar sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Arrochar in September

The month brings about 117 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Arrochar's climate page.

Arrochar Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 73%  

Precipitation 157 mm (6.2 in)  

Rainy days 22 days  

Humidity 79% *  

Sunshine 117 hours *  

Percentage Sunshine 29% *  

* Data from: Glasgow, Scotland (41 KM, 25 Miles).

What to Wear in Arrochar in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Arrochar in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Arrochar's climate page.

More climate data for Arrochar

Temperature Rainfall Sunshine Humidity

See the full Arrochar climate overview or explore weather in the United Kingdom.