When to go · South Stack
South Stack in September
Great month. Inside South Stack's best window: Apr–Jul for seabirds; May–Sep for walking weather.
Key facts
- Verdict
- Great
- Temperature
- 17°C (63°F)63°F (17°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- United Kingdom overall
- Prices
- Medium
- United Kingdom overall
Verdict
Inside South Stack's best window: Apr–Jul for seabirds; May–Sep for walking weather.
Is another month better than September?
No other month rates higher than September for South Stack in this guide.
Weather in September
- South StackHighs around 17 °C (63 °F), lows around 11 °C (52 °F), rain on about 12 daysHighs around 63 °F (17 °C), lows around 52 °F (11 °C), rain on about 12 days
Crowds and prices
- Crowds · United Kingdom overall
- Medium
- Prices · United Kingdom overall
- Medium
United Kingdom overall: Schools back, weather often settled; the best month for walking and the Highlands.
Compare two months
Weather, crowds and prices for any two months in South Stack, side by side.
Verdict
Sep: Great
Apr: Great
Daytime high
Sep: 17 °C (63 °F)63 °F (17 °C)
Apr: 11 °C (52 °F)52 °F (11 °C)
Night low
Sep: 11 °C (52 °F)52 °F (11 °C)
Apr: 5 °C (41 °F)41 °F (5 °C)
Rain days
Sep: 12
Apr: 11 (better)
Crowds
Sep: Medium
Apr: Medium
Prices
Sep: Medium
Apr: Medium
Festivals listed
Sep: 0
Apr: 0
September: Inside South Stack's best window: Apr–Jul for seabirds; May–Sep for walking weather.
April: Inside South Stack's best window: Apr–Jul for seabirds; May–Sep for walking weather.
South Stack: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast