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

Imperial in September

The short of it: Imperial in September averages a high of 19 °C (67 °F) and a low of 14 °C (56 °F), with 6.0 mm (0.24 in) of rain and about 12 h 3 min of daylight. Rated 5 of 5 for a visit; the best months are May and November. Source: TerraClimate climate normals, 1991–2020.

Average high 19° · low 14° · rain 6.0 mm · daylight 12 h 3 min

✦✦✦✦✦ Recommended for a visit · best months: May & November

September in Imperial brings afternoons near 19° and nights around 14°, with about 6.0 mm of rain over the month. Much like August: highs about 19°, nights near 14°. Easy travelling weather. Rain is scarce, about 6.0 mm, the 4th wettest month.

The sun is up for about 12 h 3 min in mid-September, 22 minutes more than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 5 of 5 for a visit; the finest months here are May and November.

Against its neighbours, Imperial runs about middling and wetter than most in September. San Vicente de Cañete, 4 km to the WSW, sees much the same highs.

September in Imperial, by the numbers

Warmth rank
10th warmest of 12
Rain rank
4th wettest of 12
Versus August
1° warmer, 17 mm less rain
Versus October
2° colder
Day–night spread
6°
Snow season
seldom any
Daylight, mid-month
12 h 3 min
Average wind
12 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
San Vicente de CañeteLima region4 km WSW19°14°6.0 mm
Nuevo ImperialLima region4 km ESE20°13°4.0 mm
Cerro LibreLima region5 km SE20°13°5.0 mm
Santa Rosa AltaLima region6 km SW19°14°6.0 mm
Herbay BajoLima region9 km SSW18°14°5.0 mm
PaloLima region9 km SE20°13°4.0 mm
Santa CruzLima region10 km WSW19°14°6.0 mm
Arena BajaLima region11 km SSW18°14°5.0 mm

The Almanac · Imperial Month by Month

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

Much like August: highs about 19°, nights near 14°. Easy travelling weather. Rain is scarce, about 6.0 mm, the 4th wettest month.

Climate of Imperial by month
MonthHighLowRainWindDaylightVisit
January27°19°1.0 mm14 km/h12 h 49 min✦✦✦✦✦
February28°19°1.0 mm13 km/h12 h 32 min✦✦✦✦✦
March28°19°0.0 mm13 km/h12 h 12 min✦✦✦✦✦
April26°17°0.0 mm12 km/h11 h 49 min✦✦✦✦✦
May23°15°6.0 mm10 km/h11 h 31 min✦✦✦✦✦
June21°14°28 mm10 km/h11 h 22 min✦✦✦✦✦
July19°13°33 mm10 km/h11 h 25 min✦✦✦✦✦
August19°13°23 mm11 km/h11 h 41 min✦✦✦✦✦
September19°14°6.0 mm12 km/h12 h 3 min✦✦✦✦✦
October21°14°2.0 mm13 km/h12 h 25 min✦✦✦✦✦
November23°15°1.0 mm14 km/h12 h 44 min✦✦✦✦✦
December25°17°0.0 mm14 km/h12 h 53 min✦✦✦✦✦

Questions Readers Ask about Imperial in September

Answered from the wire & the Almanac

What is the weather like in Imperial in September?

Days average 19 °C (67 °F) and nights 14 °C (56 °F), with about 6.0 mm (0.24 in) of rain over the month. Much like August: highs about 19°, nights near 14°. Easy travelling weather. Rain is scarce, about 6.0 mm, the 4th wettest month.

Is September a good time to visit Imperial?

The Almanac gives September 5 of 5 (recommended). The best months are May and November.

How long are the days in Imperial in September?

In mid-September the sun is up for about 12 h 3 min. The days are lengthening — from 11 h 22 min in June to 12 h 53 min in December.

Does it snow in Imperial in September?

Hardly — September nights average 14 °C (56 °F), above freezing.

What should I pack for Imperial in September?

Layers, a warm coat and stout boots.

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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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