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Hourly Forecast
Daylight Hours
06:42
Sunrise
19:05
Sunset
Moon
Waxing Crescent
12:03
Moonrise
20:13
Moonset
Daily Forecast
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Weather in Harlow today, September 15, 2026
Harlow stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Cloud leads the morning, peaking close to 100% near 08:00. Sunshine has little room until later in the day.
The temperature range runs from about 14°C up to 22°C. Moisture in the air spans 53%-88%, with the highest values around 08:00. Airflow remains manageable, reaching about 5.9 km/h around 11:00.
Afternoon skies stay clogged, peaking close to 99% near 13:00. The grey theme continues rather than clearing out. Visibility holds near 35.8 km, though it can fall to 19.5 km. The sun rises at 06:42 and sets at 19:05, for a total of 12 hours 22 minutes of sunlight today.
Taken together, overcast skies in Harlow on September 15, 2026 favour indoor or covered options, with temperatures near 22°C.
Frequently asked questions about weather in Harlow
How warm does it get in Harlow?
The warmest month in Harlow 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 Harlow?
The coldest month in Harlow 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 Harlow?
The wettest month in Harlow is October, with an average of 71mm of precipitation.
What is the driest time of year in Harlow?
The driest month in Harlow is April, with an average of 43mm of precipitation.
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