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Hourly Forecast
Daylight Hours
06:42
Sunrise
19:05
Sunset
Moon
Waxing Crescent
12:01
Moonrise
20:15
Moonset
Daily Forecast
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Humidity
Weather in Sidcup today, September 15, 2026
Sidcup stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The first half of the day looks overcast, as cloud amounts reach about 100% around 06:00. Brighter weather, if it comes, waits until later.
The day peaks near 22°C and cools toward 14°C. Relative humidity sits between 49% and 92%, reaching its peak around 04:00. A lighter breeze peaks around 11:00 near 4.6 km/h.
Expect persistent cloud later on, with amounts around 100% by 14:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 33.2 km on average, though it can drop toward 17.1 km in thicker cloud or showers. Sunrise is at 06:42 and sunset at 19:05, giving 12 hours 22 minutes of sunlight today.
The practical takeaway for Sidcup on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 22°C.
Frequently asked questions about weather in Sidcup
How warm does it get in Sidcup?
The warmest month in Sidcup is July, with average high temperatures of 23°C. The average temperature during this period is around 18°C.
How cold does it get in Sidcup?
The coldest month in Sidcup 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 Sidcup?
The wettest month in Sidcup is October, with an average of 70mm of precipitation.
What is the driest time of year in Sidcup?
The driest month in Sidcup is April, with an average of 44mm of precipitation.
