When to go · Isle of Portland
Isle of Portland in September
Great month. Inside Isle of Portland's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 18°C (65°F)65°F (18°C) / 13°C (56°F)56°F (13°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United Kingdom overall
- Prices
- Medium
- United Kingdom overall
Verdict
Inside Isle of Portland's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Isle of Portland in this guide.
Weather in September
- Isle of PortlandHighs around 18.1 °C (65 °F), lows around 13.4 °C (56 °F), rain on about 8 daysHighs around 65 °F (18.1 °C), lows around 56 °F (13.4 °C), rain on about 8 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 Isle of Portland, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 18.1 °C (65 °F)65 °F (18.1 °C)
May: 14.5 °C (58 °F)58 °F (14.5 °C)
Night low
Sep: 13.4 °C (56 °F)56 °F (13.4 °C)
May: 9.5 °C (49 °F)49 °F (9.5 °C)
Rain days
Sep: 8 (better)
May: 9
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside Isle of Portland's best window: May–Sep.
May: Inside Isle of Portland's best window: May–Sep.
Isle of Portland: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.