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

Longnan in September

The short of it: Longnan in September averages a high of 22 °C (71 °F) and a low of 14 °C (57 °F), with 93 mm (3.7 in) of rain and about 12 h 20 min of daylight. Rated 3 of 5 for a visit; the best months are April and May. Source: TerraClimate climate normals, 1991–2020.

Average high 22° · low 14° · rain 93 mm · daylight 12 h 20 min

✦✦✦ Fair for a visit · best months: April & May

Thirty years of records give Longnan an average September high of 22°, a low of 14° and some 93 mm of rain. Highs fall 5° against August, to near 22°; nights run about 14°. Wet spells are common — about 93 mm, the 3rd wettest month.

The sun is up for about 12 h 20 min in mid-September, 63 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 April and May.

Against its neighbours, Longnan runs about middling and about as wet in September. Chengjiao, 1 km to the S, sees much the same highs.

September in Longnan, by the numbers

Warmth rank
5th warmest of 12
Rain rank
3rd wettest of 12
Versus August
5° colder, 3.0 mm less rain
Versus October
5° warmer
Day–night spread
8°
Snow season
seldom any
Daylight, mid-month
12 h 20 min
Average wind
5 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
ChengjiaoGansu1 km S22°14°93 mm
DongjiangGansu4 km ESE22°14°93 mm
MajieGansu8 km NNE20°12°99 mm
HanwangGansu11 km SE23°14°95 mm
LiangshuiGansu11 km WNW22°14°90 mm
BailinGansu13 km NE20°12°100 mm
AnhuaGansu17 km NE20°12°104 mm
PuchiGansu18 km NNW19°11°100 mm

The Almanac · Longnan Month by Month

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

Highs fall 5° against August, to near 22°; nights run about 14°. Wet spells are common — about 93 mm, the 3rd wettest month.

Climate of Longnan by month
MonthHighLowRainWindDaylightVisit
January6°-3°3.0 mm5 km/h10 h 10 min✦✦✦
February9°0°4.0 mm6 km/h10 h 57 min✦✦✦
March14°4°16 mm6 km/h11 h 53 min✦✦✦✦
April19°9°41 mm6 km/h12 h 58 min✦✦✦✦✦
May23°12°70 mm5 km/h13 h 52 min✦✦✦✦
June26°16°80 mm5 km/h14 h 21 min✦✦✦
July28°18°106 mm5 km/h14 h 9 min✦✦✦
August27°17°96 mm5 km/h13 h 23 min✦✦✦
September22°14°93 mm5 km/h12 h 20 min✦✦✦
October17°9°48 mm4 km/h11 h 17 min✦✦✦✦
November12°3°12 mm5 km/h10 h 23 min✦✦✦✦
December7°-3°2.0 mm5 km/h9 h 57 min✦✦✦

Questions Readers Ask about Longnan in September

Answered from the wire & the Almanac

What is the weather like in Longnan in September?

Days average 22 °C (71 °F) and nights 14 °C (57 °F), with about 93 mm (3.7 in) of rain over the month. Highs fall 5° against August, to near 22°; nights run about 14°. Wet spells are common — about 93 mm, the 3rd wettest month.

Is September a good time to visit Longnan?

The Almanac gives September 3 of 5 (fair). The best months are April and May.

How long are the days in Longnan in September?

In mid-September the sun is up for about 12 h 20 min. The days are shortening — from 9 h 57 min in December to 14 h 21 min in June.

Does it snow in Longnan in September?

Hardly — September nights average 14 °C (57 °F), above freezing.

What should I pack for Longnan 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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