Franz Josef weather in September

In September, Franz Josef sees average daytime highs of 5°C and overnight lows near -2°C, with 316 mm of precipitation across 16.7 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 5°C through the month. The sky is clear or mostly clear about 19% 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 Franz Josef's 8th-clearest and 8th-windiest month. For the whole year in context, see Franz Josef's year-round climate.

Daytime high: 5°; 9th warmest
Overnight low: -2°; 4th coldest
Precipitation: 316 mm; 16.7 wet days
Daylight: 11 h 42 min; 7:42 AM – 7:25 PM
Cloud cover: 70%; 8th clearest
Wind: 5 km/h; 8th windiest
Solar energy: 3.85 kWh/m²
Travel score: 0.1; out of 10

Franz Josef is village in New Zealand.

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

← August Franz Josef 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 5°C through the month.

A typical September day in Franz Josef reaches about 5°C in the afternoon and slips back to -2°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 8°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°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)	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6	6	6	6	6	6	6	6
Avg low (°C)	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-1	-1	-1	-1	-1	-1	-1	-1	-1

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

How September really feels in Franz Josef

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 30 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Franz Josef weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	14° / 6°	309	16	0.8	14.8	3.3
Feb	14° / 6°	228	14.1	0.9	13.8	3.6
Mar	12° / 5°	251	14.1	1.4	12.4	3.0
Apr	10° / 2°	264	13.5	2.8	10.8	1.9
May	7° / -1°	286	15.1	6.7	9.5	0.7
Jun	3° / -4°	261	13.1	8.7	8.8	0.0
Jul	3° / -4°	228	12.8	10.6	9.1	0.0
Aug	3° / -3°	232	14.6	11.8	10.2	0.0
Sep	5° / -2°	316	16.7	12.1	11.7	0.1
Oct	7° / -0°	324	19	10	13.2	0.6
Nov	9° / 2°	303	18.3	6.5	14.5	1.5
Dec	12° / 5°	342	19.1	2.7	15.2	2.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 67%.

	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 (%)	36	36	36	36	35	35	34	35	35	34	34	34	34	34	32	32	32	32	32	31	31	32	31	32	31	31	31	29	29	29
Cloudier (%)	64	64	64	64	65	65	66	65	65	66	66	66	66	66	68	68	68	68	68	69	69	68	69	68	69	69	69	71	71	71

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	34	66
8	35	65
9	35	65
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	32	68
16	32	68
17	32	68
18	32	68
19	32	68
20	31	69
21	31	69
22	32	68
23	31	69
24	32	68
25	31	69
26	31	69
27	31	69
28	29	71
29	29	71
30	29	71

Chance of precipitation in September

Any precipitationSnow

Franz Josef gets around 316 mm of rain and snow over 16.7 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 55% and peaks near 59% on the wettest days, and about 12 days bring 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 (%)	51	51	51	51	51	52	52	53	53	53	53	54	54	54	54	54	55	56	56	57	57	57	57	58	58	58	58	58	59	59
Snow chance (%)	38	38	38	38	39	39	39	39	39	39	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	39	39	39	39

	Rain chance (%)	Snow chance (%)
1	51	38
2	51	38
3	51	38
4	51	38
5	51	39
6	52	39
7	52	39
8	53	39
9	53	39
10	53	39
11	53	40
12	54	40
13	54	40
14	54	40
15	54	40
16	54	40
17	55	40
18	56	40
19	56	40
20	57	40
21	57	40
22	57	40
23	57	40
24	58	40
25	58	40
26	58	40
27	58	39
28	58	39
29	59	39
30	59	39

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 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 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)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

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 8:10 AM to 7:16 AM, and sunset from 7:08 PM to 7:41 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)	11.0	11.0	11.1	11.1	11.2	11.2	11.3	11.3	11.4	11.4	11.5	11.5	11.6	11.6	11.7	11.7	11.8	11.8	11.9	11.9	12.0	12.0	12.1	12.1	12.2	12.2	12.3	12.3	12.4	12.4
Sunrise (AM)	8:10	8:08	8:07	8:05	8:03	8:01	7:59	7:57	7:56	7:54	7:52	7:50	7:48	7:46	7:44	7:42	7:40	7:39	7:37	7:35	7:33	7:31	7:29	7:27	7:25	7:23	7:22	7:20	7:18	7:16
Sunset (PM)	7:08	7:09	7:10	7:11	7:12	7:13	7:15	7:16	7:17	7:18	7:19	7:20	7:21	7:23	7:24	7:25	7:26	7:27	7:28	7:29	7:31	7:32	7:33	7:34	7:35	7:36	7:38	7:39	7:40	7:41

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.0	8:10	7:08
2	11.0	8:08	7:09
3	11.1	8:07	7:10
4	11.1	8:05	7:11
5	11.2	8:03	7:12
6	11.2	8:01	7:13
7	11.3	7:59	7:15
8	11.3	7:57	7:16
9	11.4	7:56	7:17
10	11.4	7:54	7:18
11	11.5	7:52	7:19
12	11.5	7:50	7:20
13	11.6	7:48	7:21
14	11.6	7:46	7:23
15	11.7	7:44	7:24
16	11.7	7:42	7:25
17	11.8	7:40	7:26
18	11.8	7:39	7:27
19	11.9	7:37	7:28
20	11.9	7:35	7:29
21	12.0	7:33	7:31
22	12.0	7:31	7:32
23	12.1	7:29	7:33
24	12.1	7:27	7:34
25	12.2	7:25	7:35
26	12.2	7:23	7:36
27	12.3	7:22	7:38
28	12.3	7:20	7:39
29	12.4	7:18	7:40
30	12.4	7:16	7:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.85 kWh/m².

For context, solar energy here swings from a low near 1.52 kWh/m² to a high of 6.64 kWh/m² in January across the year — September's 3.85 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)	3.3	3.3	3.4	3.4	3.4	3.5	3.5	3.5	3.6	3.6	3.7	3.7	3.8	3.8	3.8	3.9	3.9	4.0	4.0	4.1	4.1	4.1	4.2	4.2	4.3	4.3	4.3	4.4	4.4	4.4
Level	Moderate	Moderate	Moderate	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

	Solar energy (kWh/m²)	Level
1	3.3	Moderate
2	3.3	Moderate
3	3.4	Moderate
4	3.4	Moderate
5	3.4	Moderate
6	3.5	Moderate
7	3.5	Moderate
8	3.5	Moderate
9	3.6	Moderate
10	3.6	Moderate
11	3.7	Moderate
12	3.7	Moderate
13	3.8	Moderate
14	3.8	Moderate
15	3.8	Moderate
16	3.9	Moderate
17	3.9	Moderate
18	4.0	Moderate
19	4.0	Bright
20	4.1	Bright
21	4.1	Bright
22	4.1	Bright
23	4.2	Bright
24	4.2	Bright
25	4.3	Bright
26	4.3	Bright
27	4.3	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright

Planning a trip in September

Is September a good time to visit Franz Josef?

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

0.1

Sightseeing

9th-best month of the year

—

Beach & pool

never really warm enough

September is a weaker month for outdoor sightseeing in Franz Josef.

What to pack for Franz Josef in September

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

In September, Franz Josef sees daytime highs around 5°C and nights near -2°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 17 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Franz Josef in September

The nearest coast averages about 13°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 25 km away) is warmest in February at about 18°C and coldest in August near 13°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)	17	18	17	16	15	14	13	13	13	13	14	16
Comfort	Cool	Cool	Cool	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool

	Sea temperature (°C)	Comfort
Jan	17	Cool
Feb	18	Cool
Mar	17	Cool
Apr	16	Cool
May	15	Bracing
Jun	14	Bracing
Jul	13	Bracing
Aug	13	Bracing
Sep	13	Bracing
Oct	13	Bracing
Nov	14	Bracing
Dec	16	Cool

UV index in Franz Josef 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 Franz Josef peaks around January 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 1 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	11	10	6	3	2	1	2	2	4	6	8	10
Level	Extreme	Very high	High	Moderate	Low	Low	Low	Moderate	Moderate	High	Very high	Very high

	UV index (midday)	Level
Jan	11	Extreme
Feb	10	Very high
Mar	6	High
Apr	3	Moderate
May	2	Low
Jun	1	Low
Jul	2	Low
Aug	2	Moderate
Sep	4	Moderate
Oct	6	High
Nov	8	Very high
Dec	10	Very high

Location & terrain

Where is Franz Josef?

Franz Josef sits at 43.4°S, 170.2°E, 0 m above sea level, in New Zealand. The nearest listed city is Tekapo, 73 km away.

Topography around Franz Josef

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

Within 3 km, the terrain around Franz Josef has large variations in elevation — a maximum elevation change of 1,047 m around an average of 294 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,067 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,635 m.

The land around Franz Josef is covered by trees (72%) within 3 km, trees (59%) within 16 km, and water (29%), grassland (27%) and trees (23%) within 80 km.

3 km

1,047 m

trees 72%

16 km

3,067 m

trees 59%

80 km

3,635 m

water 29%

treesgrasslandartificial surfacesbare terrainsnow and icewater

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

September weather nearby: Tekapo 73 km · Ashburton 137 km · Timaru 141 km · Wanaka 167 km · Rolleston 179 km · Rangiora 194 km · Christchurch 198 km · Queenstown 219 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 Franz Josef (-43.3891°, 170.1819°, elevation 0 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	4	-2
2	4	-2
3	5	-2
4	5	-2
5	5	-2
6	5	-2
7	5	-2
8	5	-2
9	5	-2
10	5	-2
11	5	-2
12	5	-2
13	5	-2
14	5	-2
15	5	-2
16	5	-2
17	5	-2
18	5	-2
19	5	-2
20	5	-2
21	5	-2
22	6	-1
23	6	-1
24	6	-1
25	6	-1
26	6	-1
27	6	-1
28	6	-1
29	6	-1
30	6	-1

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	34	66
8	35	65
9	35	65
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	32	68
16	32	68
17	32	68
18	32	68
19	32	68
20	31	69
21	31	69
22	32	68
23	31	69
24	32	68
25	31	69
26	31	69
27	31	69
28	29	71
29	29	71
30	29	71

	Rain chance (%)	Snow chance (%)
1	51	38
2	51	38
3	51	38
4	51	38
5	51	39
6	52	39
7	52	39
8	53	39
9	53	39
10	53	39
11	53	40
12	54	40
13	54	40
14	54	40
15	54	40
16	54	40
17	55	40
18	56	40
19	56	40
20	57	40
21	57	40
22	57	40
23	57	40
24	58	40
25	58	40
26	58	40
27	58	39
28	58	39
29	59	39
30	59	39

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	34	66
8	35	65
9	35	65
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	32	68
16	32	68
17	32	68
18	32	68
19	32	68
20	31	69
21	31	69
22	32	68
23	31	69
24	32	68
25	31	69
26	31	69
27	31	69
28	29	71
29	29	71
30	29	71

	Rain chance (%)	Snow chance (%)
1	51	38
2	51	38
3	51	38
4	51	38
5	51	39
6	52	39
7	52	39
8	53	39
9	53	39
10	53	39
11	53	40
12	54	40
13	54	40
14	54	40
15	54	40
16	54	40
17	55	40
18	56	40
19	56	40
20	57	40
21	57	40
22	57	40
23	57	40
24	58	40
25	58	40
26	58	40
27	58	39
28	58	39
29	59	39
30	59	39

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	34	66
8	35	65
9	35	65
10	34	66
11	34	66
12	34	66
13	34	66
14	34	66
15	32	68
16	32	68
17	32	68
18	32	68
19	32	68
20	31	69
21	31	69
22	32	68
23	31	69
24	32	68
25	31	69
26	31	69
27	31	69
28	29	71
29	29	71
30	29	71

	Rain chance (%)	Snow chance (%)
1	51	38
2	51	38
3	51	38
4	51	38
5	51	39
6	52	39
7	52	39
8	53	39
9	53	39
10	53	39
11	53	40
12	54	40
13	54	40
14	54	40
15	54	40
16	54	40
17	55	40
18	56	40
19	56	40
20	57	40
21	57	40
22	57	40
23	57	40
24	58	40
25	58	40
26	58	40
27	58	39
28	58	39
29	59	39
30	59	39

	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