When to go · Southampton
Southampton in September
Great month. Inside Southampton's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 12°C (53°F)53°F (12°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- United Kingdom overall
- Prices
- Medium
- United Kingdom overall
Verdict
Inside Southampton's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Southampton in this guide.
Weather in September
- SouthamptonHighs around 20.1 °C (68 °F), lows around 11.6 °C (53 °F), rain on about 9 daysHighs around 68 °F (20.1 °C), lows around 53 °F (11.6 °C), rain on about 9 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 Southampton, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 20.1 °C (68 °F)68 °F (20.1 °C)
May: 18 °C (64 °F)64 °F (18 °C)
Night low
Sep: 11.6 °C (53 °F)53 °F (11.6 °C)
May: 9.2 °C (49 °F)49 °F (9.2 °C)
Rain days
Sep: 9
May: 9
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside Southampton's best window: May–Sep.
May: Inside Southampton's best window: May–Sep.
Southampton: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings