Karori weather in September

In September, Karori sees average daytime highs of 12°C and overnight lows near 10°C, with 74 mm of rain across 10.8 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of September to 12 h 24 min by month's end. Set against the rest of the year, September is Karori's 7th-clearest and 3rd-windiest month. For the whole year in context, see Karori's year-round climate.

Daytime high
12°
9th warmest
Overnight low
10°
3rd coldest
Rainfall
74 mm
10.8 wet days
Daylight
11 h 42 min
7:23 AM – 7:07 PM
Cloud cover
54%
7th clearest
Wind
28 km/h
3rd windiest
Solar energy
3.92 kWh/m²
Travel score
3.2
out of 10

Karori is suburb of Wellington, New Zealand.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 12°C through the month.

A typical September day in Karori reaches about 12°C in the afternoon and slips back to 10°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 14°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°13°15°151015202530
Avg high (°C)Avg low (°C)
1129
2129
3129
4129
51210
61210
71210
81210
91210
101210
111210
121210
131210
141210
151210
161210
171210
181210
191210
201210
211210
221210
231210
241210
251210
261210
271210
281210
291310
301310

Karori weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 15°557.514.65.9
Feb18° / 15°566.113.76.4
Mar17° / 14°597.412.35.8
Apr15° / 13°73910.94.8
May14° / 12°7610.29.74.0
Jun12° / 10°9512.19.13.1
Jul11° / 8712.19.32.7
Aug11° / 8212.610.32.7
Sep12° / 10°7410.811.73.2
Oct13° / 11°8311.313.13.6
Nov14° / 12°699.114.34.3
Dec16° / 14°659.614.95.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55248
65248
75248
85347
95347
105446
115446
125545
135545
145644
155644
165743
175743
185842
195842
205743
215644
225644
235545
245545
255545
265446
275347
285347
295248
305248

Chance of precipitation in September

Any precipitation

Karori gets around 74 mm of rain over 10.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
635
735
835
936
1036
1135
1235
1335
1435
1535
1634
1734
1834
1935
2035
2135
2235
2335
2435
2535
2636
2736
2836
2936
3037

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 28 km/h in September.

Across September, daily wind ranges from about 26 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
126breezy
226breezy
327breezy
427breezy
527breezy
627breezy
727breezy
827breezy
927breezy
1027breezy
1128breezy
1228breezy
1328breezy
1428breezy
1528breezy
1628breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2528breezy
2628breezy
2728breezy
2828breezy
2928breezy
3028breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 hours at the start of September to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over September. Sunrise moves from 7:50 AM to 6:59 AM, and sunset from 6:52 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:506:52
211.17:486:53
311.17:466:54
411.27:456:55
511.27:436:56
611.37:416:57
711.37:396:58
811.47:386:59
911.47:367:00
1011.47:347:01
1111.57:327:02
1211.57:317:03
1311.67:297:04
1411.67:277:05
1511.77:257:06
1611.77:237:07
1711.87:227:08
1811.87:207:09
1911.97:187:10
2011.97:167:11
2112.07:157:12
2212.07:137:13
2312.17:117:15
2412.17:097:16
2512.27:077:17
2612.27:067:18
2712.27:047:19
2812.37:027:20
2912.37:007:21
3012.46:597:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.92 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 7.3 kWh/m² in January across the year — September's 3.92 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.4Moderate
43.4Moderate
53.5Moderate
63.5Moderate
73.6Moderate
83.6Moderate
93.7Moderate
103.7Moderate
113.8Moderate
123.8Moderate
133.9Moderate
143.9Moderate
154.0Moderate
164.0Bright
174.0Bright
184.1Bright
194.1Bright
204.2Bright
214.2Bright
224.2Bright
234.3Bright
244.3Bright
254.3Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Is September a good time to visit Karori?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
9th-best month of the year
0.0
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Karori.

What to pack for Karori in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Karori sees daytime highs around 12°C and nights near 10°C. Worth packing: a warm layer, rain gear and a windbreaker. About 11 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Karori in September

The nearest coast averages about 12°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in February at about 17°C and coldest in August near 12°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb17Cool
Mar16Cool
Apr15Cool
May14Bracing
Jun13Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov14Bracing
Dec15Bracing

UV index in Karori in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Karori peaks around January 1 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateLowModerateHighVery highExtremeJan 1UV 11Jun 17UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar6High
Apr4Moderate
May2Low
Jun1Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct6High
Nov9Very high
Dec11Extreme
Location & terrain

Where is Karori?

Karori sits at 41.3°S, 174.7°E, 184 m above sea level, in New Zealand. The nearest listed city is Wellington, 3.0 km away.

Topography around Karori

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Karori.

Within 3 km, the terrain around Karori has significant variations in elevation — a maximum elevation change of 398 m around an average of 185 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 528 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,512 m.

The land around Karori is covered by trees (75%) within 3 km, water (56%) and trees (24%) within 16 km, and water (60%) and trees (23%) within 80 km.

3 km
398 m
16 km
528 m
80 km
1,512 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Wellington 3.0 km · Lower Hutt 16 km · Wainuiomata 18 km · Porirua 19 km · Upper Hutt 30 km · Paraparaumu 47 km · Picton 61 km · Blenheim 71 km

New Zealand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 86% of US
price level, 2025
GDP per capita
$49,591
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.5
per 100k, 2022
Road deaths
9.6
per 100k/yr, 2019
Income group
High
World Bank
Religion
no religion 49%Christian 37%objected to answering 7%Hindu 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Karori (-41.2837°, 174.7414°, elevation 184 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).