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

Hernani in September

The short of it: Hernani in September averages a high of 23 °C (74 °F) and a low of 15 °C (59 °F), with 83 mm (3.3 in) of rain and about 12 h 26 min of daylight. Rated 3 of 5 for a visit; the best months are July and June. Source: TerraClimate climate normals, 1991–2020.

Average high 23° · low 15° · rain 83 mm · daylight 12 h 26 min

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

September in Hernani brings afternoons near 23° and nights around 15°, with about 83 mm of rain over the month. Much like August: highs about 23°, nights near 15°. Easy travelling weather. Wet spells are common — about 83 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 July and June.

Against its neighbours, Hernani runs about middling and wetter than most in September. Oria, 4 km to the WSW, sees much the same highs.

September in Hernani, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
9th wettest of 12
Versus August
2° colder, 7.0 mm more rain
Versus October
3° warmer
Day–night spread
8°
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
OriaBasque Country4 km WSW23°15°83 mm
LasarteBasque Country4 km W23°15°83 mm
Donostia / San SebastiánBasque Country5 km N24°15°82 mm
AndoainBasque Country7 km SW23°15°86 mm
PasaiaBasque Country8 km NNE24°15°83 mm
ErrenteriaBasque Country8 km NE24°15°83 mm
ZarautzBasque Country16 km W23°14°80 mm
TolosaBasque Country17 km SSW23°14°78 mm

The Almanac · Hernani Month by Month

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

Much like August: highs about 23°, nights near 15°. Easy travelling weather. Wet spells are common — about 83 mm, the 9th wettest month.

Climate of Hernani by month
MonthHighLowRainWindDaylightVisit
January13°6°128 mm13 km/h9 h 19 min✦✦
February13°6°101 mm14 km/h10 h 27 min✦✦
March16°8°96 mm14 km/h11 h 48 min✦✦
April17°9°113 mm14 km/h13 h 21 min✦✦✦
May20°12°95 mm13 km/h14 h 40 min✦✦✦
June23°15°74 mm13 km/h15 h 22 min✦✦✦
July24°17°59 mm13 km/h15 h 5 min✦✦✦✦
August25°17°76 mm11 km/h13 h 56 min✦✦✦
September23°15°83 mm12 km/h12 h 26 min✦✦✦
October21°12°128 mm13 km/h10 h 56 min✦✦✦
November16°9°176 mm14 km/h9 h 38 min✦✦
December13°7°124 mm14 km/h8 h 59 min✦✦

Questions Readers Ask about Hernani in September

Answered from the wire & the Almanac

What is the weather like in Hernani in September?

Days average 23 °C (74 °F) and nights 15 °C (59 °F), with about 83 mm (3.3 in) of rain over the month. Much like August: highs about 23°, nights near 15°. Easy travelling weather. Wet spells are common — about 83 mm, the 9th wettest month.

Is September a good time to visit Hernani?

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

How long are the days in Hernani 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 22 min in June.

Does it snow in Hernani in September?

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

What should I pack for Hernani 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