Fahan Weather in September

September in Fahan brings moderate temperatures around 17°C (63°F) during the day, dropping to 10°C (50°F) at night, with quite a bit of rainfall expected, averaging around 93 mm (3.7 in) for the month.

Rainfall in Fahan in September

You can expect rain on around 21 days based on historical patterns, with 93 mm (3.7 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Fahan in September

In September, expect moderate temperatures in Fahan, with highs of 17°C (63°F) and lows of 10°C (50°F) at night. The difference between afternoon and evening temperatures is usually noticeable. 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 Fahan in September

You can expect a moderate amount of sunlight, with approximately 118 hours. This means a pleasant mix of sun and overcast.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Fahan.

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 Ireland, check out our Fahan's climate page.

Fahan Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 71%  

Precipitation 93 mm (3.7 in)  

Rainy days 21 days  

Sunshine 118 hours *  

Percentage Sunshine *  

* Data from: Derry, Ireland (14 KM, 9 Miles).

What to Wear in Fahan in September

For Fahan in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Fahan in September

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

Swimming

6/10

Cycling

6/10

Walking

6/10

Camping

8/10

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 Ireland, check out our Fahan's climate page.

More climate data for Fahan

Temperature Rainfall Sunshine

See the full Fahan climate overview or explore weather in Ireland.