Fossa Weather in September

September in Fossa brings moderate temperatures around 17°C (63°F) during the day, dropping to 10°C (50°F) at night, with the driest conditions of the year.

Rainfall in Fossa in September

Dry conditions dominate this month. A great time for outdoor fun and exploration. Analyzing past climate data, one can expect approximately 19 days of rain, averaging 95 mm (3.7 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Fossa in September

September in Fossa brings typical temperatures with highs around 17°C (63°F) and lows of 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Fossa in September

With about 118 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June typically offers the best weather for Fossa.

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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 Ireland, check out our Fossa's climate page.

Fossa Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 64%  

Precipitation 95 mm (3.7 in)  

Rainy days 19 days  

Humidity 77% *  

Sunshine 118 hours *  

Percentage Sunshine 30% *  

* Data from: Valentia, Ireland (48 KM, 29 Miles).

What to Wear in Fossa 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Fossa 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

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 Ireland, check out our Fossa's climate page.

More climate data for Fossa

Temperature Rainfall Sunshine Humidity

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