Launceston weather in September

In September, Launceston sees average daytime highs of 13°C and overnight lows near 4°C, with 76 mm of rain across 11.3 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°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 Launceston's 11th-clearest and 1st-windiest month. For the whole year in context, see Launceston's year-round climate.

Daytime high
13°
9th warmest
Overnight low
4th coldest
Rainfall
76 mm
11.3 wet days
Daylight
11 h 42 min
7:14 AM – 6:58 PM
Cloud cover
65%
11th clearest
Wind
11 km/h
1st windiest
Solar energy
3.76 kWh/m²
Travel score
3.6
out of 10

Launceston is city in the north of Tasmania, Australia.

Air quality
Good
PM2.5 7.6 µg/m³ · 2019
Density
956/km²
people per km²
Founded
1806

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 13°C through the month.

A typical September day in Launceston reaches about 13°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
1124
2134
3134
4134
5134
6134
7134
8134
9134
10134
11134
12134
13134
14134
15134
16134
17134
18134
19134
20134
21144
22145
23145
24145
25145
26145
27145
28145
29145
30145

How September really feels in Launceston

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Launceston weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 11°546.514.77.3
Feb22° / 11°466.613.77.0
Mar20° / 497.112.36.7
Apr16° / 537.210.95.4
May13° / 608.39.74.0
Jun11° / 618.89.12.8
Jul11° / 7410.19.32.5
Aug11° / 8111.310.32.8
Sep13° / 7611.311.73.6
Oct15° / 639.813.14.7
Nov18° / 619.714.35.7
Dec20° / 578.114.96.5

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 21% of September, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24060
34060
44060
54060
64060
74060
84060
94060
103961
113961
123961
133961
144060
153961
163961
173961
183961
193961
203862
213862
223961
233961
243961
254060
264060
274060
284060
293961
303961

Chance of precipitation in September

Any precipitation

Launceston gets around 76 mm of rain over 11.3 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
233
333
434
534
635
735
835
936
1036
1136
1237
1337
1437
1538
1638
1738
1838
1939
2039
2139
2239
2339
2439
2539
2639
2738
2838
2938
3037

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.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

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 7:40 AM to 6:49 AM, and sunset from 6:42 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:406:42
211.17:396:43
311.17:376:44
411.27:356:45
511.27:336:46
611.37:326:47
711.37:306:48
811.47:286:49
911.47:266:50
1011.47:256:51
1111.57:236:52
1211.57:216:53
1311.67:196:54
1411.67:186:56
1511.77:166:57
1611.77:146:58
1711.87:126:59
1811.87:107:00
1911.97:097:01
2011.97:077:02
2112.07:057:03
2212.07:037:04
2312.17:017:05
2412.17:007:06
2512.26:587:07
2612.26:567:08
2712.26:547:09
2812.36:537:10
2912.36:517:11
3012.46:497:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.76 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 7.17 kWh/m² in January across the year — September's 3.76 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.1Moderate
23.2Moderate
33.2Moderate
43.3Moderate
53.3Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.5Moderate
103.5Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.7Moderate
153.7Moderate
163.8Moderate
173.8Moderate
183.9Moderate
193.9Moderate
204.0Moderate
214.0Moderate
224.0Bright
234.1Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.5Bright
Planning a trip in September

Is September a good time to visit Launceston?

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

3.6
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 Launceston.

What to pack for Launceston in September

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

In September, Launceston sees daytime highs around 13°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Launceston 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 55 km away) is warmest in February at about 18°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°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan17Cool
Feb18Cool
Mar18Cool
Apr17Cool
May15Cool
Jun14Bracing
Jul13Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov14Bracing
Dec16Cool

UV index in Launceston 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 Launceston peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateHighVery highExtremeDec 22UV 12Jun 20UV 1
UV index (midday)Level
Jan11Extreme
Feb10Very high
Mar8Very high
Apr4Moderate
May2Low
Jun1Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct6High
Nov8Very high
Dec12Extreme
Location & terrain

Where is Launceston?

Launceston sits at 41.4°S, 147.1°E, 11 m above sea level, in Australia. The nearest listed city is Devonport, 72 km away.

TraralgonWarragulMount MarthaMorningtonPakenham

Topography around Launceston

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

Within 3 km, the terrain around Launceston has only modest variations in elevation — a maximum elevation change of 226 m around an average of 62 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 743 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,597 m.

The land around Launceston is covered by artificial surfaces (40%) and trees (38%) within 3 km, trees (50%) and grassland (38%) within 16 km, and trees (48%) and grassland (31%) within 80 km.

3 km
226 m
16 km
743 m
80 km
1,597 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Devonport 72 km · Burnie 111 km · Hobart 161 km · Traralgon 364 km · Warragul 379 km · Mount Martha 396 km · Mornington 400 km · Pakenham 401 km

Australia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 90% of US
price level, 2025
GDP per capita
$65,130
2025
Happiness
6.9 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
Religion
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

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 Launceston (-41.4388°, 147.1347°, elevation 11 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).