See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Partly Cloudy
Feels Like: 21°
Min: 14°
Max: 21°
The next few hours will be overcast, with today reaching 21°C and dropping to 11°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:43
Sunrise
19:06
Sunset
Moon
Waxing Crescent
12:02
Moonrise
20:16
Moonset
Daily Forecast
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Wednesday
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Air Quality Data Available
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UV Index
Humidity
Weather in Coulsdon today, September 15, 2026
Coulsdon 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 temperature range runs from about 14°C up to 21°C. Relative humidity sits between 57% and 76%, reaching its peak around 23:00. A lighter breeze peaks around 18:00 near 4.5 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 63% around 19:00. Outdoor plans may still want a flexible backup. Expect visibility near 38.9 km, with poorer spells close to 34.7 km. Sunrise is at 06:43 and sunset at 19:06, giving 12 hours 22 minutes of sunlight today.
In short, cloud leads the story in Coulsdon on September 15, 2026; expect limited sun and a peak around 21°C.
Frequently asked questions about weather in Coulsdon
How warm does it get in Coulsdon?
The warmest month in Coulsdon 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 Coulsdon?
The coldest month in Coulsdon 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 Coulsdon?
The wettest month in Coulsdon is October, with an average of 77mm of precipitation.
What is the driest time of year in Coulsdon?
The driest month in Coulsdon is April, with an average of 47mm of precipitation.
