Invercargill weather in September

In September, Invercargill sees average daytime highs of 12°C and overnight lows near 6°C, with 93 mm of precipitation across 15.2 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 9th-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 11% of the time in September, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of September to 12 h 30 min by month's end. Set against the rest of the year, September is Invercargill's 5th-clearest and 4th-windiest month. For the whole year in context, see Invercargill's year-round climate.

Daytime high: 12°; 9th warmest
Overnight low: 6°; 4th coldest
Precipitation: 93 mm; 15.2 wet days
Daylight: 11 h 42 min; 7:51 AM – 7:31 PM
Cloud cover: 70%; 5th clearest
Wind: 20 km/h; 4th windiest
Solar energy: 3.19 kWh/m²
Travel score: 2.7; out of 10

Invercargill is city in New Zealand's Southland region.

Air quality: Good; PM10 23.6 µg/m³ · 2012
Density: 118/km²; people per km²
Founded: 1853

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

← August Invercargill 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 12°C through the month.

A typical September day in Invercargill reaches about 12°C in the afternoon and slips back to 6°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 15°C. Set against its neighbours, September runs about 2°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)	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Avg low (°C)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7

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

Invercargill weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	17° / 11°	118	14.2	15.2	4.9
Feb	17° / 12°	97	12.1	14	5.1
Mar	16° / 10°	98	13.5	12.4	4.5
Apr	14° / 9°	95	13.5	10.7	3.7
May	12° / 7°	107	15.6	9.2	2.7
Jun	10° / 5°	93	15.6	8.5	1.9
Jul	9° / 5°	84	14.9	8.8	1.8
Aug	10° / 5°	81	14.8	10	2.2
Sep	12° / 6°	93	15.2	11.6	2.7
Oct	13° / 8°	119	17.5	13.3	3.0
Nov	14° / 9°	111	16.4	14.8	3.5
Dec	16° / 10°	109	15.5	15.5	4.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 69%.

	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 (%)	31	30	30	30	30	30	31	30	30	30	30	31	31	31	31	30	30	30	31	31	31	31	31	31	31	31	31	30	30	31
Cloudier (%)	69	70	70	70	70	70	69	70	70	70	70	69	69	69	69	70	70	70	69	69	69	69	69	69	69	69	69	70	70	69

	Clearer (%)	Cloudier (%)
1	31	69
2	30	70
3	30	70
4	30	70
5	30	70
6	30	70
7	31	69
8	30	70
9	30	70
10	30	70
11	30	70
12	31	69
13	31	69
14	31	69
15	31	69
16	30	70
17	30	70
18	30	70
19	31	69
20	31	69
21	31	69
22	31	69
23	31	69
24	31	69
25	31	69
26	31	69
27	31	69
28	30	70
29	30	70
30	31	69

Chance of precipitation in September

Any precipitation

Invercargill gets around 93 mm of rain and snow over 15.2 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 51% and peaks near 55% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

	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 (%)	46	46	46	46	46	46	46	46	47	47	48	48	49	50	50	51	52	53	53	54	54	54	55	55	55	55	55	55	55	55

	Rain chance (%)
1	46
2	46
3	46
4	46
5	46
6	46
7	46
8	46
9	47
10	47
11	48
12	48
13	49
14	50
15	50
16	51
17	52
18	53
19	53
20	54
21	54
22	54
23	55
24	55
25	55
26	55
27	55
28	55
29	55
30	55

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.

	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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in September

Winds average 20 km/h in September.

Across September, daily wind ranges from about 19 km/h on the calmest days to 21 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)	19	19	19	19	20	20	20	20	20	20	20	20	20	20	20	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

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

Sunrise & sunset in September

DaylightNight

Daylight runs from about 10 h 48 min at the start of September to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over September. Sunrise moves from 8:21 AM to 7:22 AM, and sunset from 7:12 PM to 7:50 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)	10.8	10.9	10.9	11.0	11.1	11.1	11.2	11.2	11.3	11.3	11.4	11.5	11.5	11.6	11.6	11.7	11.7	11.8	11.8	11.9	12.0	12.0	12.1	12.1	12.2	12.2	12.3	12.4	12.4	12.5
Sunrise (AM)	8:21	8:19	8:17	8:15	8:13	8:11	8:09	8:07	8:05	8:03	8:01	7:59	7:57	7:55	7:53	7:51	7:49	7:47	7:44	7:42	7:40	7:38	7:36	7:34	7:32	7:30	7:28	7:26	7:24	7:22
Sunset (PM)	7:12	7:13	7:14	7:15	7:17	7:18	7:19	7:21	7:22	7:23	7:25	7:26	7:27	7:29	7:30	7:31	7:33	7:34	7:35	7:36	7:38	7:39	7:40	7:42	7:43	7:44	7:46	7:47	7:49	7:50

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.8	8:21	7:12
2	10.9	8:19	7:13
3	10.9	8:17	7:14
4	11.0	8:15	7:15
5	11.1	8:13	7:17
6	11.1	8:11	7:18
7	11.2	8:09	7:19
8	11.2	8:07	7:21
9	11.3	8:05	7:22
10	11.3	8:03	7:23
11	11.4	8:01	7:25
12	11.5	7:59	7:26
13	11.5	7:57	7:27
14	11.6	7:55	7:29
15	11.6	7:53	7:30
16	11.7	7:51	7:31
17	11.7	7:49	7:33
18	11.8	7:47	7:34
19	11.8	7:44	7:35
20	11.9	7:42	7:36
21	12.0	7:40	7:38
22	12.0	7:38	7:39
23	12.1	7:36	7:40
24	12.1	7:34	7:42
25	12.2	7:32	7:43
26	12.2	7:30	7:44
27	12.3	7:28	7:46
28	12.4	7:26	7:47
29	12.4	7:24	7:49
30	12.5	7:22	7:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.19 kWh/m².

For context, solar energy here swings from a low near 1.05 kWh/m² to a high of 6.11 kWh/m² in December across the year — September's 3.19 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)	2.6	2.6	2.6	2.7	2.7	2.8	2.8	2.9	2.9	3.0	3.0	3.0	3.1	3.1	3.2	3.2	3.3	3.3	3.3	3.4	3.4	3.5	3.5	3.5	3.6	3.6	3.7	3.7	3.8	3.8
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.6	Moderate
2	2.6	Moderate
3	2.6	Moderate
4	2.7	Moderate
5	2.7	Moderate
6	2.8	Moderate
7	2.8	Moderate
8	2.9	Moderate
9	2.9	Moderate
10	3.0	Moderate
11	3.0	Moderate
12	3.0	Moderate
13	3.1	Moderate
14	3.1	Moderate
15	3.2	Moderate
16	3.2	Moderate
17	3.3	Moderate
18	3.3	Moderate
19	3.3	Moderate
20	3.4	Moderate
21	3.4	Moderate
22	3.5	Moderate
23	3.5	Moderate
24	3.5	Moderate
25	3.6	Moderate
26	3.6	Moderate
27	3.7	Moderate
28	3.7	Moderate
29	3.8	Moderate
30	3.8	Moderate

Planning a trip in September

Is September a good time to visit Invercargill?

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

2.7

Sightseeing

8th-best month of the year

0.0

Beach & pool

7th-best month of the year

September is a weaker month for outdoor sightseeing in Invercargill.

What to pack for Invercargill in September

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

In September, Invercargill sees daytime highs around 12°C and nights near 6°C. Pack a warm layer and rain gear. Worth having: a windbreaker. About 15 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Invercargill in September

The nearest coast averages about 11°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 17 km away) is warmest in February at about 15°C and coldest in August near 10°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	15	15	15	14	13	11	11	10	11	12	13	14
Comfort	Bracing	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	15	Bracing
Feb	15	Cool
Mar	15	Bracing
Apr	14	Bracing
May	13	Bracing
Jun	11	Bracing
Jul	11	Bracing
Aug	10	Bracing
Sep	11	Bracing
Oct	12	Bracing
Nov	13	Bracing
Dec	14	Bracing

UV index in Invercargill in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Invercargill peaks around January 15 at about 10 (very high) — 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 6 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	10	8	5	3	1	1	1	2	3	5	7	9
Level	Very high	Very high	High	Moderate	Low	Low	Low	Low	Moderate	High	Very high	Very high

	UV index (midday)	Level
Jan	10	Very high
Feb	8	Very high
Mar	5	High
Apr	3	Moderate
May	1	Low
Jun	1	Low
Jul	1	Low
Aug	2	Low
Sep	3	Moderate
Oct	5	High
Nov	7	Very high
Dec	9	Very high

Location & terrain

Where is Invercargill?

Invercargill sits at 46.4°S, 168.3°E, 6 m above sea level, in New Zealand. The nearest listed city is Queenstown, 154 km away.

Topography around Invercargill

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

Within 3 km, the terrain around Invercargill has only modest variations in elevation — a maximum elevation change of 21 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 193 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,492 m.

The land around Invercargill is covered by grassland (45%) and artificial surfaces (38%) within 3 km, grassland (69%) within 16 km, and grassland (41%) and water (39%) within 80 km.

3 km

21 m

grassland 45%

16 km

193 m

grassland 69%

80 km

1,492 m

grassland 41%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

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

September weather nearby: Queenstown 154 km · Dunedin 176 km · Wanaka 199 km · Tekapo 314 km · Timaru 318 km · Franz Josef 365 km · Ashburton 384 km · Rolleston 446 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 Invercargill (-46.4°, 168.35°, elevation 6 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).

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

	Clearer (%)	Cloudier (%)
1	31	69
2	30	70
3	30	70
4	30	70
5	30	70
6	30	70
7	31	69
8	30	70
9	30	70
10	30	70
11	30	70
12	31	69
13	31	69
14	31	69
15	31	69
16	30	70
17	30	70
18	30	70
19	31	69
20	31	69
21	31	69
22	31	69
23	31	69
24	31	69
25	31	69
26	31	69
27	31	69
28	30	70
29	30	70
30	31	69

	Rain chance (%)
1	46
2	46
3	46
4	46
5	46
6	46
7	46
8	46
9	47
10	47
11	48
12	48
13	49
14	50
15	50
16	51
17	52
18	53
19	53
20	54
21	54
22	54
23	55
24	55
25	55
26	55
27	55
28	55
29	55
30	55

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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

	Clearer (%)	Cloudier (%)
1	31	69
2	30	70
3	30	70
4	30	70
5	30	70
6	30	70
7	31	69
8	30	70
9	30	70
10	30	70
11	30	70
12	31	69
13	31	69
14	31	69
15	31	69
16	30	70
17	30	70
18	30	70
19	31	69
20	31	69
21	31	69
22	31	69
23	31	69
24	31	69
25	31	69
26	31	69
27	31	69
28	30	70
29	30	70
30	31	69

	Rain chance (%)
1	46
2	46
3	46
4	46
5	46
6	46
7	46
8	46
9	47
10	47
11	48
12	48
13	49
14	50
15	50
16	51
17	52
18	53
19	53
20	54
21	54
22	54
23	55
24	55
25	55
26	55
27	55
28	55
29	55
30	55

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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

	Clearer (%)	Cloudier (%)
1	31	69
2	30	70
3	30	70
4	30	70
5	30	70
6	30	70
7	31	69
8	30	70
9	30	70
10	30	70
11	30	70
12	31	69
13	31	69
14	31	69
15	31	69
16	30	70
17	30	70
18	30	70
19	31	69
20	31	69
21	31	69
22	31	69
23	31	69
24	31	69
25	31	69
26	31	69
27	31	69
28	30	70
29	30	70
30	31	69

	Rain chance (%)
1	46
2	46
3	46
4	46
5	46
6	46
7	46
8	46
9	47
10	47
11	48
12	48
13	49
14	50
15	50
16	51
17	52
18	53
19	53
20	54
21	54
22	54
23	55
24	55
25	55
26	55
27	55
28	55
29	55
30	55

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100