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

Ay Weather in September

Ay in September

The short of it: Ay in September averages a high of 21 °C (70 °F) and a low of 10 °C (50 °F), with 48 mm (1.9 in) of rain and about 12 h 31 min of daylight. Rated 4 of 5 for a visit; the best months are April and June. Source: TerraClimate climate normals, 1991–2020.

Average high 21° · low 10° · rain 48 mm · daylight 12 h 31 min

✦✦✦✦ Recommended for a visit · best months: April & June

Thirty years of records give Ay an average September high of 21°, a low of 10° and some 48 mm of rain. Highs fall 4° against August, to near 21°; nights run about 10°. Rain is modest, about 48 mm, the 8th wettest month.

The sun is up for about 12 h 31 min in mid-September, 112 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 April and June.

Against its neighbours, Ay runs cooler than most and wetter than most in September. Épernay, 4 km to the WSW, sees much the same highs.

September in Ay, by the numbers

Warmth rank
4th warmest of 12
Rain rank
8th wettest of 12
Versus August
4° colder, 16 mm less rain
Versus October
5° warmer
Day–night spread
11°
Snow season
seldom any
Daylight, mid-month
12 h 31 min
Average wind
12 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
ÉpernayGrand Est4 km WSW21°10°49 mm
CormontreuilGrand Est18 km N22°10°46 mm
TinqueuxGrand Est22 km N21°10°46 mm
ReimsGrand Est23 km N22°10°46 mm
Saint-Brice-CourcellesGrand Est24 km N21°10°46 mm
FagnièresGrand Est25 km ESE22°10°45 mm
BéthenyGrand Est26 km N22°10°47 mm
DormansGrand Est27 km W21°10°51 mm

The Almanac · Ay Month by Month

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

Highs fall 4° against August, to near 21°; nights run about 10°. Rain is modest, about 48 mm, the 8th wettest month.

Climate of Ay by month
MonthHighLowRainWindDaylightVisit
January7°1°49 mm17 km/h8 h 39 min✦✦
February8°0°42 mm16 km/h10 h 5 min✦✦✦
March12°3°41 mm15 km/h11 h 44 min✦✦✦✦
April16°5°39 mm14 km/h13 h 39 min✦✦✦✦✦
May20°8°55 mm13 km/h15 h 16 min✦✦✦✦
June24°12°48 mm12 km/h16 h 11 min✦✦✦✦
July26°14°58 mm12 km/h15 h 48 min✦✦✦✦
August25°13°64 mm12 km/h14 h 22 min✦✦✦✦
September21°10°48 mm12 km/h12 h 31 min✦✦✦✦
October16°7°53 mm14 km/h10 h 41 min✦✦✦✦
November10°4°55 mm14 km/h9 h 3 min✦✦✦
December7°2°61 mm16 km/h8 h 14 min✦✦

Questions Readers Ask about Ay in September

Answered from the wire & the Almanac

What is the weather like in Ay in September?

Days average 21 °C (70 °F) and nights 10 °C (50 °F), with about 48 mm (1.9 in) of rain over the month. Highs fall 4° against August, to near 21°; nights run about 10°. Rain is modest, about 48 mm, the 8th wettest month.

Is September a good time to visit Ay?

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

How long are the days in Ay in September?

In mid-September the sun is up for about 12 h 31 min. The days are shortening — from 8 h 14 min in December to 16 h 11 min in June.

Does it snow in Ay in September?

Hardly — September nights average 10 °C (50 °F), above freezing.

What should I pack for Ay in September?

Light clothes and a jacket for the evening.

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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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