Holywood Weather in September

During September, Holywood experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 9°C (48°F). Expect quite a bit of rainfall. Around 94 mm (3.7 in) is typical.

Rainfall in Holywood in September

Typically, about 18 days will experience rainfall, with an average of 94 mm (3.7 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Holywood in September

In September, Holywood sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Holywood in September

The month has fewer sunny days, with around 95 hours of sunshine.

For Holywood itself, June and July generally stand out with 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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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 Holywood's climate page.

Holywood Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 59%  

Precipitation 94 mm (3.7 in)  

Rainy days 18 days  

Humidity 82% *  

Sunshine 95 hours *  

Percentage Sunshine 26% *  

* Data from: Eskdalemuir, the United Kingdom (37 KM, 23 Miles).

What to Wear in Holywood 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Holywood 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 Holywood's climate page.

More climate data for Holywood

Temperature Rainfall Sunshine Humidity

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