Picton weather in September

In September, Picton sees average daytime highs of 14°C and overnight lows near 8°C, with 77 mm of rain across 10.1 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 14°C through the month. The sky is clear or mostly clear about 33% 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 Picton's 9th-clearest and 3rd-windiest month. For the whole year in context, see Picton's year-round climate.

Daytime high
14°
9th warmest
Overnight low
4th coldest
Rainfall
77 mm
10.1 wet days
Daylight
11 h 42 min
7:26 AM – 7:10 PM
Cloud cover
56%
9th clearest
Wind
18 km/h
3rd windiest
Solar energy
4.12 kWh/m²
Travel score
3.9
out of 10

Picton is town in New Zealand.

Density
144/km²
people per km²

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 14°C through the month.

A typical September day in Picton reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 16°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1137
2137
3137
4137
5137
6137
7137
8137
9137
10137
11138
12138
13148
14148
15148
16148
17148
18148
19148
20148
21148
22148
23148
24148
25148
26148
27148
28148
29148
30148

Picton 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
Jan20° / 14°607.414.66.8
Feb20° / 14°525.713.77.1
Mar19° / 13°587.112.36.7
Apr17° / 11°788.210.95.6
May14° / 758.59.74.5
Jun12° / 919.79.13.3
Jul11° / 8310.19.32.9
Aug12° / 7910.810.33.2
Sep14° / 7710.111.73.9
Oct15° / 8911.313.14.5
Nov17° / 11°739.514.35.5
Dec19° / 13°7510.414.96.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25248
35248
45149
55149
65050
74951
85050
95149
105149
115248
125248
135347
145545
155545
165545
175644
185644
195743
205743
215644
225545
235545
245446
255446
265248
275248
285248
295050
304951

Chance of precipitation in September

Any precipitation

Picton gets around 77 mm of rain over 10.1 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 33% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
130
230
330
430
530
631
731
832
932
1032
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2134
2234
2335
2435
2535
2635
2736
2836
2937
3038

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
271000
281000
291000
301000

Wind in September

Winds average 18 km/h in September.

Across September, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

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 7:53 AM to 7:02 AM, and sunset from 6:55 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:536:55
211.17:516:56
311.17:496:57
411.27:486:58
511.27:466:59
611.37:447:00
711.37:427:01
811.47:417:02
911.47:397:03
1011.47:377:04
1111.57:357:05
1211.57:347:06
1311.67:327:07
1411.67:307:08
1511.77:287:09
1611.77:267:10
1711.87:257:11
1811.87:237:12
1911.97:217:13
2011.97:197:14
2112.07:187:15
2212.07:167:16
2312.17:147:17
2412.17:127:19
2512.27:107:20
2612.27:097:21
2712.27:077:22
2812.37:057:23
2912.37:037:24
3012.47:027:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.12 kWh/m².

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 7.55 kWh/m² in January across the year — September's 4.12 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Bright
134.1Bright
144.1Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Picton?

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

3.9
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Picton.

What to pack for Picton in September

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

In September, Picton sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Picton 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 Picton 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 Picton 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 Picton?

Picton sits at 41.3°S, 174.0°E, 0 m above sea level, in New Zealand. The nearest listed city is Blenheim, 25 km away.

Topography around Picton

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

Within 3 km, the terrain around Picton has large variations in elevation — a maximum elevation change of 675 m around an average of 157 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,051 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,066 m.

The land around Picton is covered by trees (79%) within 3 km, trees (60%) and water (31%) within 16 km, and water (57%) and trees (25%) within 80 km.

3 km
675 m
16 km
1,051 m
80 km
2,066 m
treesgrasslandartificial surfaceswater
September weather nearby: Blenheim 25 km · Nelson 61 km · Karori 61 km · Wellington 64 km · Stoke 65 km · Richmond 69 km · Porirua 73 km · Lower Hutt 76 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 Picton (-41.2907°, 174.008°, 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).