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

Altsasu Weather in September

Altsasu in September

The short of it: Altsasu in September averages a high of 22 °C (71 °F) and a low of 12 °C (53 °F), with 52 mm (2.0 in) of rain and about 12 h 26 min of daylight. Rated 4 of 5 for a visit; the best months are July and September. Source: TerraClimate climate normals, 1991–2020.

Average high 22° · low 12° · rain 52 mm · daylight 12 h 26 min

✦✦✦✦ Recommended for a visit · best months: July & September

Thirty years of records give Altsasu an average September high of 22°, a low of 12° and some 52 mm of rain. Much like August: highs about 22°, nights near 12°. Easy travelling weather. Rain is modest, about 52 mm, the 10th wettest month.

The sun is up for about 12 h 26 min in mid-September, 89 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 4 of 5 for a visit; the finest months here are July and September.

Against its neighbours, Altsasu runs cooler than most and drier than most in September. Beasain, 17 km to the N, is 1° warmer by day.

September in Altsasu, by the numbers

Warmth rank
3rd warmest of 12
Rain rank
10th wettest of 12
Versus August
3° colder, 6.0 mm more rain
Versus October
4° warmer
Day–night spread
10°
Snow season
seldom any
Daylight, mid-month
12 h 26 min
Average wind
10 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
BeasainBasque Country17 km N22°13°67 mm
TolosaBasque Country27 km NNE23°14°78 mm
Estella-LizarraNavarre28 km SSE25°12°38 mm
BergaraBasque Country32 km NW23°13°60 mm
Arrasate / MondragónBasque Country32 km NW23°13°56 mm
AzpeitiaBasque Country32 km NNW22°13°73 mm
AndoainBasque Country37 km NNE23°15°86 mm
EibarBasque Country40 km NW22°13°65 mm
Public Notice & Advertisement
Placed by order of the Frontier Advertiser's Bureau

The Almanac · Altsasu Month by Month

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

Much like August: highs about 22°, nights near 12°. Easy travelling weather. Rain is modest, about 52 mm, the 10th wettest month.

Climate of Altsasu by month
MonthHighLowRainWindDaylightVisit
January8°2°92 mm11 km/h9 h 21 min✦
February9°2°75 mm12 km/h10 h 28 min✦
March13°4°72 mm13 km/h11 h 48 min✦✦
April15°6°93 mm13 km/h13 h 20 min✦✦
May18°8°80 mm12 km/h14 h 38 min✦✦✦
June21°11°60 mm12 km/h15 h 20 min✦✦✦✦
July24°13°40 mm11 km/h15 h 2 min✦✦✦✦✦
August25°14°46 mm11 km/h13 h 55 min✦✦✦✦
September22°12°52 mm10 km/h12 h 26 min✦✦✦✦
October18°9°96 mm11 km/h10 h 57 min✦✦✦
November12°6°112 mm11 km/h9 h 40 min✦✦
December9°3°85 mm12 km/h9 h 2 min✦

Questions Readers Ask about Altsasu in September

Answered from the wire & the Almanac

What is the weather like in Altsasu in September?

Days average 22 °C (71 °F) and nights 12 °C (53 °F), with about 52 mm (2.0 in) of rain over the month. Much like August: highs about 22°, nights near 12°. Easy travelling weather. Rain is modest, about 52 mm, the 10th wettest month.

Is September a good time to visit Altsasu?

The Almanac gives September 4 of 5 (recommended). The best months are July and September.

How long are the days in Altsasu in September?

In mid-September the sun is up for about 12 h 26 min. The days are shortening — from 9 h 2 min in December to 15 h 20 min in June.

Does it snow in Altsasu in September?

Hardly — September nights average 12 °C (53 °F), above freezing.

What should I pack for Altsasu in September?

Light clothes and a jacket for the evening.

More Towns in Spain

All towns in Spain →

Madrid · Barcelona · Valencia · Zaragoza · Sevilla · Málaga · Murcia · Palma · Las Palmas de Gran Canaria · Alicante · Bilbao · Córdoba

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
Telegrams for your townsWarnings sent to this phone or computer