Gretna Weather in September

September in Gretna averages 17°C (63°F) during the day and 9°C (48°F) at night. Quite a bit of rainfall is typical this month, with around 80 mm (3.1 in) on average. An umbrella is a good idea.

Rainfall in Gretna in September

Historically, the month has about 18 days of rain, averaging 80 mm (3.1 in) in total. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Gretna in September

Gretna in September gets highs of 17°C (63°F) during the day and drops to 9°C (48°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Gretna in September

The month is characterized by fewer sunny days, with roughly 95 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable 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 Gretna's climate page.

Gretna Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 60%  

Precipitation 80 mm (3.1 in)  

Rainy days 18 days  

Humidity 82% *  

Sunshine 95 hours *  

Percentage Sunshine 26% *  

* Data from: Eskdalemuir, the United Kingdom (36 KM, 22 Miles).

What to Wear in Gretna 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. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Gretna in September

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

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

4/10

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 Gretna's climate page.

More climate data for Gretna

Temperature Rainfall Sunshine Humidity

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