When to go · Welwyn Garden City
Welwyn Garden City in September
Great month. Inside Welwyn Garden City's best window: May–September.
Key facts
- Verdict
- Great
- Temperature
- 21°C (70°F)70°F (21°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- United Kingdom overall
- Prices
- Medium
- United Kingdom overall
Verdict
Inside Welwyn Garden City's best window: May–September.
Is another month better than September?
No other month rates higher than September for Welwyn Garden City in this guide.
Weather in September
- Welwyn Garden CityHighs around 21 °C (70 °F), lows around 12 °C (54 °F), rain on about 9 daysHighs around 70 °F (21 °C), lows around 54 °F (12 °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 Welwyn Garden City, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 21 °C (70 °F)70 °F (21 °C)
May: 18 °C (64 °F)64 °F (18 °C)
Night low
Sep: 12 °C (54 °F)54 °F (12 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Sep: 9
May: 8 (better)
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside Welwyn Garden City's best window: May–September.
May: Inside Welwyn Garden City's best window: May–September.
Welwyn Garden City: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings