Castlegregory
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Castlegregory Weather in September

September in Castlegregory sees daytime temperatures around 18°C (64°F) and lows of 11°C (52°F) at night. With around 96 mm (3.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Castlegregory in September

Historically, the month has about 20 days of rain, averaging 96 mm (3.8 in) in total. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Castlegregory in September

September in Castlegregory brings typical temperatures with highs around 18°C (64°F) and lows of 11°C (52°F). During September, you'll experience the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Castlegregory in September

The area enjoys a moderate level of sunlight, with around 118 hours. It's a good balance between sunny and cloudy days.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Castlegregory Temperature in September

Min Temperature
11°C (52°F)
Max Temperature
18°C (64°F)
Chance of Rain
67%
Precipitation
96 mm (3.8 in)
Rainy days
20 days
Humidity
77% *
Sunshine
118 hours *
Percentage Sunshine
30% *
* Data from: Valentia, Ireland (39 KM, 24 Miles).

Castlegregory Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Castlegregory - and find the best time to visit.

Best Places in Ireland in September

Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Castlegregory 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Castlegregory 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

Castlegregory 3-Day Forecast

More climate data for Castlegregory

Popular in September

Where to go in September - average daytime high across popular destinations.

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