See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
21°
Mostly Cloudy
Feels Like: 21°
Min: 16°
Max: 21°
The next few hours will be overcast, with today reaching 21°C and dropping to 15°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:54
Sunrise
20:08
Sunset
Moon
Waxing Crescent
13:44
Moonrise
22:29
Moonset
Daily Forecast
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Thursday
Friday
Saturday
Sunday
Monday
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Friday
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UV Index
Humidity
Weather in Irun today, September 16, 2026
Irun looks cloudy on September 16, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.
Expect highs of 21°C and cooler readings close to 16°C. Expect humidity between 62% and 93%, most humid near 23:00. A lighter breeze peaks around 18:00 near 3.4 km/h.
Through the afternoon cloud remains the main feature, with cover near 93% around 14:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 33.1 km, briefly nearer 15.9 km. Expect sunrise at 07:54, sunset at 20:08, and 12 hours 13 minutes of sunlight today overall.
Overall, Irun on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 21°C.
Frequently asked questions about weather in Irun
How warm does it get in Irun?
The warmest month in Irun is August, with average high temperatures of 24°C. The average temperature during this period is around 20°C.
How cold does it get in Irun?
The coldest month in Irun is January, with average low temperatures of 4°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Irun?
The wettest month in Irun is November, with an average of 171mm of precipitation.
What is the driest time of year in Irun?
The driest month in Irun is July, with an average of 70mm of precipitation.
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