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Hourly Forecast
Daylight Hours
07:07
Sunrise
19:24
Sunset
Moon
Waxing Crescent
13:32
Moonrise
21:11
Moonset
Daily Forecast
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Air Quality Data Available
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UV Index
Humidity
Weather in Penzance today, September 16, 2026
Penzance looks damp on September 16, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Expect a grey start, with morning cloud around 68% by 11:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 14°C up to 17°C. The air stays humid, with relative humidity between 69% and 82% and the peak around 09:00. Expect gentle winds, highest near 10:00 at 6.7 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 19:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 33.0 km, briefly nearer 27.4 km. Expect sunrise at 07:07, sunset at 19:24, and 12 hours 17 minutes of sunlight today overall.
The practical takeaway for Penzance on September 16, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 17°C.
Frequently asked questions about weather in Penzance
How warm does it get in Penzance?
The warmest month in Penzance is August, with average high temperatures of 18°C. The average temperature during this period is around 17°C.
How cold does it get in Penzance?
The coldest month in Penzance is January, with average low temperatures of 8°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Penzance?
The wettest month in Penzance is November, with an average of 127mm of precipitation.
What is the driest time of year in Penzance?
The driest month in Penzance is May, with an average of 48mm of precipitation.