Armidale weather in September

In September, Armidale sees average daytime highs of 18°C and overnight lows near 5°C, with 36 mm of rain across 6.1 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 20°C by the end. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Armidale's 2nd-clearest and 1st-windiest month. For the whole year in context, see Armidale's year-round climate.

Daytime high
18°
8th warmest
Overnight low
5th coldest
Rainfall
36 mm
6.1 wet days
Daylight
11 h 48 min
6:53 AM – 6:42 PM
Cloud cover
36%
2nd clearest
Wind
13 km/h
1st windiest
Solar energy
5.44 kWh/m²
Travel score
6.6
out of 10

Armidale is city in New South Wales, Australia.

Air quality
Elevated
PM2.5 17.2 µg/m³ · 2019

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 20°C by the end.

A typical September day in Armidale reaches about 18°C in the afternoon and slips back to 5°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, September runs about 3°C warmer than August and about 3°C cooler than October.

10°20°151015202530
Avg high (°C)Avg low (°C)
1163
2163
3164
4164
5164
6164
7174
8174
9174
10174
11174
12174
13174
14184
15184
16184
17185
18185
19185
20195
21195
22195
23195
24196
25196
26196
27196
28206
29206
30206

How September really feels in Armidale

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.

Armidale weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 14°9610.613.76.9
Feb25° / 14°809.113.17.0
Mar23° / 11°517.412.27.4
Apr20° / 25411.37.3
May16° / 324.610.55.8
Jun13° / 355.110.14.1
Jul13° / 284.610.24.0
Aug14° / 314.710.95.1
Sep18° / 366.111.86.6
Oct21° / 618.212.77.0
Nov23° / 10°8510.113.56.8
Dec24° / 13°9211.613.96.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26832
36931
46931
57129
67129
77228
87327
97426
107426
117624
127624
137624
147723
157723
167822
177822
187822
197822
207723
217723
227723
237624
247525
257525
267426
277426
287426
297327
307327

Chance of precipitation in September

Any precipitation

Armidale gets around 36 mm of rain over 6.1 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 20% and peaks near 22% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
122
222
321
421
521
621
721
820
920
1020
1120
1220
1319
1419
1519
1619
1720
1820
1920
2020
2120
2220
2321
2421
2521
2621
2721
2821
2921
3021

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 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 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 54 minutes over September. Sunrise moves from 7:13 AM to 6:35 AM, and sunset from 6:34 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:136:34
211.47:116:34
311.47:106:35
411.47:096:35
511.57:076:36
611.57:066:36
711.57:056:37
811.67:046:38
911.67:026:38
1011.67:016:39
1111.77:006:39
1211.76:586:40
1311.76:576:40
1411.86:566:41
1511.86:546:42
1611.86:536:42
1711.86:526:43
1811.96:506:43
1911.96:496:44
2011.96:486:45
2112.06:476:45
2212.06:456:46
2312.06:446:46
2412.16:436:47
2512.16:416:47
2612.16:406:48
2712.26:396:49
2812.26:376:49
2912.26:366:50
3012.36:356:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.44 kWh/m².

For context, solar energy here swings from a low near 2.82 kWh/m² to a high of 7.13 kWh/m² in January across the year — September's 5.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.9Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
306.0Bright
Planning a trip in September

Hazard calendar for Armidale

In seasonPeak

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

Armidale's rainy season runs October–March, when most of the year's rain falls.

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

Is September a good time to visit Armidale?

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

6.6
Sightseeing
8th-best month of the year
2.1
Beach & pool
8th-best month of the year

September is a reasonable time to visit Armidale for sightseeing.

What to pack for Armidale in September

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

In September, Armidale sees daytime highs around 18°C and nights near 5°C. Worth packing: a warm layer and sun protection. About 6 days see rain.

a warm layersun protection

UV index in Armidale in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Armidale peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 19UV 14Jun 19UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep7Very high
Oct10Very high
Nov11Extreme
Dec13Extreme

Air quality in Armidale in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Armidale is worst in December — around 54 µg/m³ PM2.5 (poor), about 6.8× the cleanest month (June, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Armidale's WHO annual average of 17.2 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModeratePoorDec 1450 µg/m³Jun 178 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb11Good
Mar11Good
Apr12Moderate
May10Good
Jun8Good
Jul9Good
Aug9Good
Sep13Moderate
Oct19Moderate
Nov34Moderate
Dec54Poor
Location & terrain

Where is Armidale?

Armidale sits at 30.5°S, 151.7°E, 1,053 m above sea level, in Australia. The nearest listed city is Tamworth, 96 km away.

MaitlandWarwick

Topography around Armidale

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

Within 3 km, the terrain around Armidale has only modest variations in elevation — a maximum elevation change of 123 m around an average of 1,013 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 514 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,490 m.

The land around Armidale is covered by grassland (53%), artificial surfaces (24%) and trees (22%) within 3 km, grassland (77%) within 16 km, and grassland (53%) and trees (46%) within 80 km.

3 km
123 m
16 km
514 m
80 km
1,490 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Tamworth 96 km · Coffs Harbour 141 km · Grafton 152 km · Port Macquarie 157 km · Taree 174 km · Muswellbrook 209 km · Maitland 248 km · Warwick 256 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 Armidale (-30.5012°, 151.6655°, elevation 1,053 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).