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Hourly Forecast
Daylight Hours
06:46
Sunrise
19:08
Sunset
Moon
Waxing Crescent
12:06
Moonrise
20:17
Moonset
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Weather in High Wycombe today, September 15, 2026
Conditions in High Wycombe on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Cloud leads the morning, peaking close to 100% near 08:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 21°C. Expect humidity between 58% and 86%, most humid near 09:00. Airflow remains manageable, reaching about 5.9 km/h around 10:00.
Afternoon skies stay clogged, peaking close to 95% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 35.2 km, though it can fall to 24.0 km. The sun rises at 06:46 and sets at 19:08, for a total of 12 hours 22 minutes of sunlight today.
The practical takeaway for High Wycombe is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 21°C.
Frequently asked questions about weather in High Wycombe
How warm does it get in High Wycombe?
The warmest month in High Wycombe 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 High Wycombe?
The coldest month in High Wycombe 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 High Wycombe?
The wettest month in High Wycombe is October, with an average of 80mm of precipitation.
What is the driest time of year in High Wycombe?
The driest month in High Wycombe is April, with an average of 43mm of precipitation.
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