Alnmouth Weather in September

During September, Alnmouth experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 11°C (52°F). As part of the summer season, expect quite a bit of rainfall. Around 68 mm (2.7 in) is typical.

Rainfall in Alnmouth in September

You can expect rain on roughly 15 days based on historical data, averaging 68 mm (2.7 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Alnmouth in September

In September, expect moderate temperatures in Alnmouth, with highs of 16°C (61°F) and lows of 11°C (52°F) at night. September is a notable month of the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Alnmouth in September

The month experiences a moderate amount of sunlight, with 136 hours of sunshine. This provides a nice balance between sunshine and clouds.

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

Alnmouth Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 51%  

Precipitation 68 mm (2.7 in)  

Rainy days 15 days  

Sunshine 136 hours *  

Percentage Sunshine *  

* Data from: Newcastle upon Tyne, the United Kingdom (46 KM, 28 Miles).

What to Wear in Alnmouth in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Alnmouth in September

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

10/10

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 Alnmouth's climate page.

More climate data for Alnmouth

Temperature Rainfall Sunshine

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