North Shore weather in September

In September, North Shore sees average daytime highs of 15°C and overnight lows near 11°C, with 94 mm of rain across 13.4 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 23% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is North Shore's 8th-clearest and 3rd-windiest month. For the whole year in context, see North Shore's year-round climate.

Daytime high
15°
9th warmest
Overnight low
11°
4th coldest
Rainfall
94 mm
13.4 wet days
Daylight
11 h 48 min
7:22 AM – 7:08 PM
Cloud cover
62%
8th clearest
Wind
18 km/h
3rd windiest
Solar energy
4.17 kWh/m²
Travel score
4.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 15°C through the month.

A typical September day in North Shore reaches about 15°C in the afternoon and slips back to 11°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 17°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
11510
21511
31511
41511
51511
61511
71511
81511
91511
101511
111511
121511
131511
141511
151511
161511
171511
181511
191511
201511
211511
221612
231612
241612
251612
261612
271612
281612
291612
301612

North Shore weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 17°708.714.26.7
Feb22° / 18°63813.46.8
Mar21° / 17°698.512.36.7
Apr19° / 15°749.511.16.2
May17° / 13°9611.410.15.3
Jun15° / 11°10011.69.54.3
Jul14° / 10°115149.73.8
Aug14° / 10°10414.610.63.8
Sep15° / 11°9413.411.84.2
Oct16° / 12°7811.8134.9
Nov18° / 14°7410.8145.6
Dec20° / 16°921114.56.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
34951
45050
55050
65050
74951
84852
94852
104852
114753
124753
134753
144852
154852
164852
174753
184753
194753
204654
214753
224654
234654
244753
254654
264753
274753
284753
294753
304654

Chance of precipitation in September

Any precipitation

North Shore gets around 94 mm of rain over 13.4 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
141
241
341
441
542
642
743
843
944
1044
1145
1245
1345
1445
1545
1645
1745
1845
1945
2045
2145
2246
2346
2446
2546
2646
2746
2846
2945
3045

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1964
2955
3955
4955
5946
6946
7946
8937
9937
10937
11928
12928
13928
14928
15928
16919
17919
189010
199010
208911
218911
228812
238812
248812
258713
268713
278614
288614
298515
308515

Wind in September

Winds average 18 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 12 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over September. Sunrise moves from 7:45 AM to 7:00 AM, and sunset from 6:56 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:456:56
211.27:446:57
311.37:426:58
411.37:416:58
511.37:396:59
611.47:387:00
711.47:367:01
811.47:357:02
911.57:337:03
1011.57:327:03
1111.67:307:04
1211.67:297:05
1311.67:277:06
1411.77:257:07
1511.77:247:08
1611.87:227:08
1711.87:217:09
1811.87:197:10
1911.97:187:11
2011.97:167:12
2112.07:147:13
2212.07:137:13
2312.17:117:14
2412.17:107:15
2512.17:087:16
2612.27:077:17
2712.27:057:18
2812.37:037:19
2912.37:027:19
3012.37:007:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.17 kWh/m².

For context, solar energy here swings from a low near 2 kWh/m² to a high of 7.17 kWh/m² in January across the year — September's 4.17 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.8Moderate
73.8Moderate
83.9Moderate
93.9Moderate
104.0Moderate
114.0Moderate
124.0Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.2Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for North Shore

In seasonPeak

None of North Shore's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

North Shore sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit North Shore?

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

4.2
Sightseeing
10th-best month of the year
0.2
Beach & pool
9th-best month of the year

September is a reasonable time to visit North Shore for sightseeing.

What to pack for North Shore in September

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

In September, North Shore sees daytime highs around 15°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near North Shore in September

The nearest coast averages about 14°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 22 km away) is warmest in February at about 21°C and coldest in August near 14°C.

It's comfortable for a long swim from Jan 10 to Mar 31 — about 2.7 months when the water holds above 20°C.

15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb21Refreshing
Mar21Refreshing
Apr19Cool
May18Cool
Jun16Cool
Jul14Bracing
Aug14Bracing
Sep14Bracing
Oct15Cool
Nov17Cool
Dec19Cool

UV index in North Shore in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in North Shore peaks around January 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 12UV 12Jun 17UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul3Moderate
Aug4Moderate
Sep5Moderate
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is North Shore?

North Shore sits at 36.8°S, 174.8°E, 30 m above sea level, in New Zealand. The nearest listed city is Auckland, 6.0 km away.

Topography around North Shore

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

Within 3 km, the terrain around North Shore has only modest variations in elevation — a maximum elevation change of 99 m around an average of 25 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 249 m; within 80 km, large variations in elevation — a maximum elevation change of 887 m.

The land around North Shore is covered by artificial surfaces (39%), trees (26%) and water (25%) within 3 km, water (38%), trees (26%) and artificial surfaces (22%) within 16 km, and water (57%) and grassland (21%) within 80 km.

3 km
99 m
16 km
249 m
80 km
887 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Auckland 6.0 km · Mount Eden 9.0 km · Te Atatu Peninsula 10 km · Epsom 10 km · Remuera 10 km · Avondale 10 km · Te Atatu South 12 km · Massey East 12 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 North Shore (-36.8°, 174.75°, elevation 30 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).