Whangarei weather in September

In September, Whangarei sees average daytime highs of 16°C and overnight lows near 9°C, with 83 mm of rain across 12.7 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 16% 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 Whangarei's 7th-clearest and 5th-windiest month. For the whole year in context, see Whangarei's year-round climate.

Daytime high: 16°; 9th warmest
Overnight low: 9°; 4th coldest
Rainfall: 83 mm; 12.7 wet days
Daylight: 11 h 48 min; 7:24 AM – 7:10 PM
Cloud cover: 65%; 7th clearest
Wind: 16 km/h; 5th windiest
Solar energy: 3.98 kWh/m²
Travel score: 4.7; out of 10

Whangarei is city in New Zealand.

Air quality: Excellent; PM10 15 µg/m³ · 2012
Density: 892/km²; people per km²
Founded: 1882

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

← August Whangarei year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical September day in Whangarei reaches about 16°C in the afternoon and slips back to 9°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	15	15	15	15	15	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	17
Avg low (°C)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	9
3	15	9
4	15	9
5	15	9
6	16	9
7	16	9
8	16	9
9	16	9
10	16	9
11	16	9
12	16	9
13	16	9
14	16	9
15	16	9
16	16	9
17	16	10
18	16	10
19	16	10
20	16	10
21	16	10
22	17	10
23	17	10
24	17	10
25	17	10
26	17	10
27	17	10
28	17	10
29	17	10
30	17	10

Whangarei weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	23° / 16°	68	8.3	14.1	6.9
Feb	23° / 17°	67	7.9	13.4	6.9
Mar	22° / 15°	74	8.7	12.3	6.8
Apr	20° / 13°	66	8.9	11.1	6.3
May	17° / 11°	75	9.6	10.1	5.7
Jun	15° / 9°	90	9.9	9.6	4.7
Jul	15° / 8°	112	12.9	9.8	4.0
Aug	15° / 8°	96	14	10.6	4.1
Sep	16° / 9°	83	12.7	11.8	4.7
Oct	17° / 11°	69	10.7	12.9	5.4
Nov	19° / 12°	65	10.4	13.9	5.9
Dec	21° / 15°	79	10.5	14.4	6.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 28% of September, with mostly cloudy or overcast conditions the remaining 56%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	46	45	45	45	44	44	44	44	44	43	43	43	43	44	44	44	44	43	43	44	44	44	44	44	45	45	44	44	44	43
Cloudier (%)	54	55	55	55	56	56	56	56	56	57	57	57	57	56	56	56	56	57	57	56	56	56	56	56	55	55	56	56	56	57

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	44	56
8	44	56
9	44	56
10	43	57
11	43	57
12	43	57
13	43	57
14	44	56
15	44	56
16	44	56
17	44	56
18	43	57
19	43	57
20	44	56
21	44	56
22	44	56
23	44	56
24	44	56
25	45	55
26	45	55
27	44	56
28	44	56
29	44	56
30	43	57

Chance of precipitation in September

Any precipitation

Whangarei gets around 83 mm of rain over 12.7 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 42% and peaks near 43% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	42	42	42	42	42	43	43	43	43	43	43	43	43	43	42	42	42	42	42	42	42	42	42	42	42	41	41	41	40	40

	Rain chance (%)
1	42
2	42
3	42
4	42
5	42
6	43
7	43
8	43
9	43
10	43
11	43
12	43
13	43
14	43
15	42
16	42
17	42
18	42
19	42
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	41
29	40
30	40

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	95	95	95	95	94	94	94	93	93	93	92	92	92	92	91	91	91	90	90	90	90	90	90	90	90	90	90	90	90	90
Comfortable (%)	5	5	5	5	6	6	6	7	7	7	8	8	8	8	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10

	Dry (%)	Comfortable (%)
1	95	5
2	95	5
3	95	5
4	95	5
5	94	6
6	94	6
7	94	6
8	93	7
9	93	7
10	93	7
11	92	8
12	92	8
13	92	8
14	92	8
15	91	9
16	91	9
17	91	9
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	90	10
29	90	10
30	90	10

Wind in September

Winds average 16 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	15	15	15	15	15	15	15	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	17	17	17	17
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	15	light breeze
2	15	light breeze
3	15	light breeze
4	15	light breeze
5	15	light breeze
6	15	light breeze
7	15	light breeze
8	16	light breeze
9	16	light breeze
10	16	light breeze
11	16	light breeze
12	16	light breeze
13	16	light breeze
14	16	light breeze
15	16	light breeze
16	16	light breeze
17	16	light breeze
18	16	light breeze
19	16	light breeze
20	16	light breeze
21	16	light breeze
22	16	light breeze
23	16	light breeze
24	16	light breeze
25	16	light breeze
26	16	light breeze
27	17	light breeze
28	17	light breeze
29	17	light breeze
30	17	light 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 7:46 AM to 7:02 AM, and sunset from 6:59 PM to 7:22 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.2	11.2	11.3	11.3	11.4	11.4	11.4	11.5	11.5	11.5	11.6	11.6	11.7	11.7	11.7	11.8	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.2	12.2	12.2	12.3	12.3
Sunrise (AM)	7:46	7:45	7:43	7:42	7:40	7:39	7:37	7:36	7:34	7:33	7:31	7:30	7:28	7:27	7:25	7:24	7:22	7:21	7:19	7:18	7:16	7:15	7:13	7:11	7:10	7:08	7:07	7:05	7:04	7:02
Sunset (PM)	6:59	6:59	7:00	7:01	7:02	7:03	7:03	7:04	7:05	7:06	7:06	7:07	7:08	7:09	7:10	7:10	7:11	7:12	7:13	7:14	7:14	7:15	7:16	7:17	7:18	7:18	7:19	7:20	7:21	7:22

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.2	7:46	6:59
2	11.2	7:45	6:59
3	11.3	7:43	7:00
4	11.3	7:42	7:01
5	11.4	7:40	7:02
6	11.4	7:39	7:03
7	11.4	7:37	7:03
8	11.5	7:36	7:04
9	11.5	7:34	7:05
10	11.5	7:33	7:06
11	11.6	7:31	7:06
12	11.6	7:30	7:07
13	11.7	7:28	7:08
14	11.7	7:27	7:09
15	11.7	7:25	7:10
16	11.8	7:24	7:10
17	11.8	7:22	7:11
18	11.9	7:21	7:12
19	11.9	7:19	7:13
20	11.9	7:18	7:14
21	12.0	7:16	7:14
22	12.0	7:15	7:15
23	12.0	7:13	7:16
24	12.1	7:11	7:17
25	12.1	7:10	7:18
26	12.2	7:08	7:18
27	12.2	7:07	7:19
28	12.2	7:05	7:20
29	12.3	7:04	7:21
30	12.3	7:02	7:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.98 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 6.67 kWh/m² in January across the year — September's 3.98 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	3.4	3.5	3.5	3.5	3.6	3.6	3.6	3.7	3.7	3.8	3.8	3.8	3.9	3.9	4.0	4.0	4.0	4.1	4.1	4.2	4.2	4.2	4.3	4.3	4.3	4.4	4.4	4.5	4.5	4.5
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.4	Moderate
2	3.5	Moderate
3	3.5	Moderate
4	3.5	Moderate
5	3.6	Moderate
6	3.6	Moderate
7	3.6	Moderate
8	3.7	Moderate
9	3.7	Moderate
10	3.8	Moderate
11	3.8	Moderate
12	3.8	Moderate
13	3.9	Moderate
14	3.9	Moderate
15	4.0	Moderate
16	4.0	Bright
17	4.0	Bright
18	4.1	Bright
19	4.1	Bright
20	4.2	Bright
21	4.2	Bright
22	4.2	Bright
23	4.3	Bright
24	4.3	Bright
25	4.3	Bright
26	4.4	Bright
27	4.4	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright

Planning a trip in September

Hazard calendar for Whangarei

In seasonPeak

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

Whangarei 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 Whangarei?

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

4.7

Sightseeing

9th-best month of the year

0.6

Beach & pool

9th-best month of the year

September is a reasonable time to visit Whangarei for sightseeing.

What to pack for Whangarei in September

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

In September, Whangarei sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Whangarei in September

The nearest coast averages about 15°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 30 km away) is warmest in February at about 21°C and coldest in August near 15°C.

It's comfortable for a long swim from Jan 22 to Apr 5 — about 2.4 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	20	21	21	20	18	17	16	15	15	16	17	18
Comfort	Cool	Refreshing	Refreshing	Cool	Cool	Cool	Cool	Cool	Cool	Cool	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	20	Cool
Feb	21	Refreshing
Mar	21	Refreshing
Apr	20	Cool
May	18	Cool
Jun	17	Cool
Jul	16	Cool
Aug	15	Cool
Sep	15	Cool
Oct	16	Cool
Nov	17	Cool
Dec	18	Cool

UV index in Whangarei 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 Whangarei peaks around January 14 at about 13 (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 10 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	12	8	6	3	2	3	4	5	8	11	12
Level	Extreme	Extreme	Very high	High	Moderate	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	12	Extreme
Mar	8	Very high
Apr	6	High
May	3	Moderate
Jun	2	Moderate
Jul	3	Moderate
Aug	4	Moderate
Sep	5	High
Oct	8	Very high
Nov	11	Extreme
Dec	12	Extreme

Location & terrain

Where is Whangarei?

Whangarei sits at 35.7°S, 174.3°E, 7 m above sea level, in New Zealand. The nearest listed city is North Shore, 125 km away.

Topography around Whangarei

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

Within 3 km, the terrain around Whangarei has significant variations in elevation — a maximum elevation change of 271 m around an average of 51 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 389 m; within 80 km, large variations in elevation — a maximum elevation change of 761 m.

The land around Whangarei is covered by trees (49%) and artificial surfaces (25%) within 3 km, trees (44%) and grassland (42%) within 16 km, and water (52%), grassland (26%) and trees (22%) within 80 km.

3 km

271 m

trees 49%

16 km

389 m

trees 44%

80 km

761 m

water 52%

treesgrasslandcroplandartificial surfacesbare terrainwatermangroves

← August Whangarei year-round climate October →Best places to visit in September

September weather nearby: North Shore 125 km · Massey East 125 km · Massey 126 km · Te Atatu Peninsula 127 km · Lincoln 128 km · Te Atatu South 129 km · Auckland 130 km · Henderson 130 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

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 Whangarei (-35.7317°, 174.3239°, elevation 7 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).

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	9
3	15	9
4	15	9
5	15	9
6	16	9
7	16	9
8	16	9
9	16	9
10	16	9
11	16	9
12	16	9
13	16	9
14	16	9
15	16	9
16	16	9
17	16	10
18	16	10
19	16	10
20	16	10
21	16	10
22	17	10
23	17	10
24	17	10
25	17	10
26	17	10
27	17	10
28	17	10
29	17	10
30	17	10

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	44	56
8	44	56
9	44	56
10	43	57
11	43	57
12	43	57
13	43	57
14	44	56
15	44	56
16	44	56
17	44	56
18	43	57
19	43	57
20	44	56
21	44	56
22	44	56
23	44	56
24	44	56
25	45	55
26	45	55
27	44	56
28	44	56
29	44	56
30	43	57

	Rain chance (%)
1	42
2	42
3	42
4	42
5	42
6	43
7	43
8	43
9	43
10	43
11	43
12	43
13	43
14	43
15	42
16	42
17	42
18	42
19	42
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	41
29	40
30	40

	Dry (%)	Comfortable (%)
1	95	5
2	95	5
3	95	5
4	95	5
5	94	6
6	94	6
7	94	6
8	93	7
9	93	7
10	93	7
11	92	8
12	92	8
13	92	8
14	92	8
15	91	9
16	91	9
17	91	9
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	90	10
29	90	10
30	90	10

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	9
3	15	9
4	15	9
5	15	9
6	16	9
7	16	9
8	16	9
9	16	9
10	16	9
11	16	9
12	16	9
13	16	9
14	16	9
15	16	9
16	16	9
17	16	10
18	16	10
19	16	10
20	16	10
21	16	10
22	17	10
23	17	10
24	17	10
25	17	10
26	17	10
27	17	10
28	17	10
29	17	10
30	17	10

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	44	56
8	44	56
9	44	56
10	43	57
11	43	57
12	43	57
13	43	57
14	44	56
15	44	56
16	44	56
17	44	56
18	43	57
19	43	57
20	44	56
21	44	56
22	44	56
23	44	56
24	44	56
25	45	55
26	45	55
27	44	56
28	44	56
29	44	56
30	43	57

	Rain chance (%)
1	42
2	42
3	42
4	42
5	42
6	43
7	43
8	43
9	43
10	43
11	43
12	43
13	43
14	43
15	42
16	42
17	42
18	42
19	42
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	41
29	40
30	40

	Dry (%)	Comfortable (%)
1	95	5
2	95	5
3	95	5
4	95	5
5	94	6
6	94	6
7	94	6
8	93	7
9	93	7
10	93	7
11	92	8
12	92	8
13	92	8
14	92	8
15	91	9
16	91	9
17	91	9
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	90	10
29	90	10
30	90	10

	Avg high (°C)	Avg low (°C)
1	15	9
2	15	9
3	15	9
4	15	9
5	15	9
6	16	9
7	16	9
8	16	9
9	16	9
10	16	9
11	16	9
12	16	9
13	16	9
14	16	9
15	16	9
16	16	9
17	16	10
18	16	10
19	16	10
20	16	10
21	16	10
22	17	10
23	17	10
24	17	10
25	17	10
26	17	10
27	17	10
28	17	10
29	17	10
30	17	10

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	44	56
8	44	56
9	44	56
10	43	57
11	43	57
12	43	57
13	43	57
14	44	56
15	44	56
16	44	56
17	44	56
18	43	57
19	43	57
20	44	56
21	44	56
22	44	56
23	44	56
24	44	56
25	45	55
26	45	55
27	44	56
28	44	56
29	44	56
30	43	57

	Rain chance (%)
1	42
2	42
3	42
4	42
5	42
6	43
7	43
8	43
9	43
10	43
11	43
12	43
13	43
14	43
15	42
16	42
17	42
18	42
19	42
20	42
21	42
22	42
23	42
24	42
25	42
26	41
27	41
28	41
29	40
30	40

	Dry (%)	Comfortable (%)
1	95	5
2	95	5
3	95	5
4	95	5
5	94	6
6	94	6
7	94	6
8	93	7
9	93	7
10	93	7
11	92	8
12	92	8
13	92	8
14	92	8
15	91	9
16	91	9
17	91	9
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	90	10
24	90	10
25	90	10
26	90	10
27	90	10
28	90	10
29	90	10
30	90	10