The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Irun Weather in September

Irun in September

The short of it: Irun in September averages a high of 24 °C (75 °F) and a low of 15 °C (59 °F), with 82 mm (3.2 in) of rain and about 12 h 26 min of daylight. Rated 3 of 5 for a visit; the best months are June and July. Source: TerraClimate climate normals, 1991–2020.

Average high 24° · low 15° · rain 82 mm · daylight 12 h 26 min

✦✦✦ Fair for a visit · best months: June & July

September in Irun brings afternoons near 24° and nights around 15°, with about 82 mm of rain over the month. Much like August: highs about 24°, nights near 15°. Easy travelling weather. Wet spells are common — about 82 mm, the 9th wettest month.

The sun is up for about 12 h 26 min in mid-September, 91 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are June and July.

Against its neighbours, Irun runs warmer than most and drier than most in September. Hendaye, 2 km to the NNE, sees much the same highs.

September in Irun, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
9th wettest of 12
Versus August
2° colder, 10 mm more rain
Versus October
3° warmer
Day–night spread
9°
Snow season
seldom any
Daylight, mid-month
12 h 26 min
Average wind
12 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
HendayeNew Aquitaine2 km NNE24°15°82 mm
HondarribiaBasque Country3 km N24°15°84 mm
UrrugneNew Aquitaine8 km ENE24°15°82 mm
LezoBasque Country9 km WSW24°15°83 mm
ErrenteriaBasque Country10 km WSW24°15°83 mm
CiboureNew Aquitaine11 km ENE24°15°83 mm
PasaiaBasque Country11 km W24°15°83 mm
Saint-Jean-de-LuzNew Aquitaine12 km ENE24°15°83 mm

The Almanac · Irun Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
September
✦✦✦✦✦

Much like August: highs about 24°, nights near 15°. Easy travelling weather. Wet spells are common — about 82 mm, the 9th wettest month.

Climate of Irun by month
MonthHighLowRainWindDaylightVisit
January13°5°126 mm14 km/h9 h 18 min✦✦
February14°6°98 mm14 km/h10 h 27 min✦✦
March16°8°90 mm15 km/h11 h 48 min✦✦✦
April18°9°108 mm15 km/h13 h 21 min✦✦✦
May21°12°89 mm14 km/h14 h 40 min✦✦✦
June23°15°68 mm13 km/h15 h 23 min✦✦✦✦
July25°17°56 mm13 km/h15 h 5 min✦✦✦✦
August26°17°72 mm12 km/h13 h 57 min✦✦✦
September24°15°82 mm12 km/h12 h 26 min✦✦✦
October21°12°125 mm13 km/h10 h 56 min✦✦✦
November16°8°176 mm14 km/h9 h 37 min✦✦✦
December14°6°126 mm15 km/h8 h 59 min✦✦

Questions Readers Ask about Irun in September

Answered from the wire & the Almanac

What is the weather like in Irun in September?

Days average 24 °C (75 °F) and nights 15 °C (59 °F), with about 82 mm (3.2 in) of rain over the month. Much like August: highs about 24°, nights near 15°. Easy travelling weather. Wet spells are common — about 82 mm, the 9th wettest month.

Is September a good time to visit Irun?

The Almanac gives September 3 of 5 (fair). The best months are June and July.

How long are the days in Irun in September?

In mid-September the sun is up for about 12 h 26 min. The days are shortening — from 8 h 59 min in December to 15 h 23 min in June.

Does it snow in Irun in September?

Hardly — September nights average 15 °C (59 °F), above freezing.

What should I pack for Irun in September?

Light clothes and a jacket for the evening, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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