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Hourly Forecast
Daylight Hours
06:45
Sunrise
19:04
Sunset
Moon
Waxing Crescent
13:20
Moonrise
20:39
Moonset
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Weather in Welwyn Garden City today, September 16, 2026
Cloud cover dominates in Welwyn Garden City on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells.
Expect highs of 18°C and cooler readings close to 12°C. The air stays humid, with relative humidity between 51% and 75% and the peak around 23:00. Airflow remains manageable, reaching about 4.4 km/h around 13:00.
Expect persistent cloud later on, with amounts around 100% by 19:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 39.6 km on average, though it can drop toward 35.8 km in thicker cloud or showers. Sunrise is at 06:45 and sunset at 19:04, giving 12 hours 18 minutes of sunlight today.
The practical takeaway for Welwyn Garden City on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 18°C.
Frequently asked questions about weather in Welwyn Garden City
How warm does it get in Welwyn Garden City?
The warmest month in Welwyn Garden City is July, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in Welwyn Garden City?
The coldest month in Welwyn Garden City is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Welwyn Garden City?
The wettest month in Welwyn Garden City is October, with an average of 74mm of precipitation.
What is the driest time of year in Welwyn Garden City?
The driest month in Welwyn Garden City is April, with an average of 43mm of precipitation.
