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Hourly Forecast
Daylight Hours
06:44
Sunrise
19:06
Sunset
Moon
Waxing Crescent
12:03
Moonrise
20:16
Moonset
Daily Forecast
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UV Index
Humidity
Weather in Acton today, September 15, 2026
Acton looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.
The temperature range runs from about 14°C up to 22°C. Expect humidity between 53% and 76%, most humid near 23:00. Airflow remains manageable, reaching about 4.3 km/h around 18:00.
Afternoon skies stay clogged, peaking close to 100% near 13:00. The grey theme continues rather than clearing out. Visibility holds near 38.9 km, though it can fall to 34.9 km. Sunrise is at 06:44 and sunset at 19:06, giving 12 hours 22 minutes of sunlight today.
The practical takeaway for Acton on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 22°C.
Frequently asked questions about weather in Acton
How warm does it get in Acton?
The warmest month in Acton 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 Acton?
The coldest month in Acton 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 Acton?
The wettest month in Acton is October, with an average of 74mm of precipitation.
What is the driest time of year in Acton?
The driest month in Acton is April, with an average of 43mm of precipitation.
