Kilmarnock Weather in September

September in Kilmarnock sees daytime temperatures around 17°C (63°F) and lows of 10°C (50°F) at night. With around 109 mm (4.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Kilmarnock in September

This month experiences about 19 days of rain according to historical data, averaging 109 mm (4.3 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Kilmarnock in September

If you're visiting Kilmarnock in September, expect highs of 17°C (63°F) and overnight lows around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Kilmarnock in September

You can expect a moderate amount of sunlight, with approximately 117 hours. This means a pleasant mix of sun and overcast.

If you prefer enjoying temperate temperatures and rain-free days, May, June, 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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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Kilmarnock's climate page.

Kilmarnock Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 64%  

Precipitation 109 mm (4.3 in)  

Rainy days 19 days  

Humidity 79% *  

Sunshine 117 hours *  

Percentage Sunshine 29% *  

* Data from: Glasgow, Scotland (28 KM, 17 Miles).

What to Wear in Kilmarnock in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Kilmarnock 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

6/10

Outdoor sports

9/10

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 Kilmarnock's climate page.

More climate data for Kilmarnock

Temperature Rainfall Sunshine Humidity

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