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

Gap Weather in September

Gap in September

The short of it: Gap in September averages a high of 22 °C (72 °F) and a low of 10 °C (49 °F), with 73 mm (2.9 in) of rain and about 12 h 27 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 22° · low 10° · rain 73 mm · daylight 12 h 27 min

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

Thirty years of records give Gap an average September high of 22°, a low of 10° and some 73 mm of rain. The year turns hard here: highs drop 5° from August to about 22°, with nights near 10°. Wet spells are common — about 73 mm, the 4th wettest month.

The sun is up for about 12 h 27 min in mid-September, 95 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, Gap runs about middling and drier than most in September. Veynes, 20 km to the W, is 1° cooler by day.

September in Gap, by the numbers

Warmth rank
4th warmest of 12
Rain rank
4th wettest of 12
Versus August
5° colder, 19 mm more rain
Versus October
5° warmer
Day–night spread
13°
Snow season
Dec–Feb
Daylight, mid-month
12 h 27 min
Average wind
10 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
VeynesProvence-Alpes-Côte d'Azur20 km W22°10°80 mm
EmbrunProvence-Alpes-Côte d'Azur33 km E21°10°80 mm
Laragne-MontéglinProvence-Alpes-Côte d'Azur34 km SW23°11°71 mm
SisteronProvence-Alpes-Côte d'Azur42 km SSW24°12°64 mm
La MureAuvergne-Rhône-Alpes44 km NNW21°9°93 mm
BarcelonnetteProvence-Alpes-Côte d'Azur49 km ESE19°8°85 mm
Digne-les-BainsProvence-Alpes-Côte d'Azur53 km SSE23°11°70 mm
Le Bourg-d'OisansAuvergne-Rhône-Alpes55 km N20°8°90 mm

The Almanac · Gap Month by Month

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

The year turns hard here: highs drop 5° from August to about 22°, with nights near 10°. Wet spells are common — about 73 mm, the 4th wettest month.

Climate of Gap by month
MonthHighLowRainWindDaylightVisit
January7°-2°65 mm10 km/h9 h 11 min✦✦
February9°-2°53 mm10 km/h10 h 22 min✦✦
March13°1°63 mm11 km/h11 h 47 min✦✦✦
April16°4°61 mm12 km/h13 h 25 min✦✦✦
May20°8°67 mm11 km/h14 h 47 min✦✦✦✦
June24°11°63 mm11 km/h15 h 32 min✦✦✦✦
July28°13°40 mm11 km/h15 h 14 min✦✦✦✦✦
August28°13°54 mm10 km/h14 h 2 min✦✦✦✦
September22°10°73 mm10 km/h12 h 27 min✦✦✦
October17°6°94 mm10 km/h10 h 53 min✦✦✦
November11°2°144 mm10 km/h9 h 31 min✦✦
December8°-1°81 mm10 km/h8 h 50 min✦

Questions Readers Ask about Gap in September

Answered from the wire & the Almanac

What is the weather like in Gap in September?

Days average 22 °C (72 °F) and nights 10 °C (49 °F), with about 73 mm (2.9 in) of rain over the month. The year turns hard here: highs drop 5° from August to about 22°, with nights near 10°. Wet spells are common — about 73 mm, the 4th wettest month.

Is September a good time to visit Gap?

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

How long are the days in Gap in September?

In mid-September the sun is up for about 12 h 27 min. The days are shortening — from 8 h 50 min in December to 15 h 32 min in June.

Does it snow in Gap in September?

Hardly — September nights average 10 °C (49 °F), above freezing.

What should I pack for Gap 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