Straßgang weather in September

In September, Straßgang sees average daytime highs of 20°C and overnight lows near 10°C, with 83 mm of rain across 10.1 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 30% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Straßgang's 3rd-clearest and 7th-windiest month. For the whole year in context, see Straßgang's year-round climate.

Daytime high
20°
4th warmest
Overnight low
10°
9th coldest
Rainfall
83 mm
10.1 wet days
Daylight
12 h 18 min
5:43 AM – 6:03 PM
Cloud cover
59%
3rd clearest
Wind
6 km/h
7th windiest
Solar energy
3.46 kWh/m²
Travel score
6.2
out of 10

Straßgang is 16. district of Graz.

Density
1,385/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

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical September day in Straßgang reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52112
62112
72111
82111
92111
102111
112011
122011
132011
142010
152010
162010
172010
181910
191910
201910
21199
22199
23199
24189
25189
26189
27189
28189
29188
30188

How September really feels in Straßgang

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.

Straßgang weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°276.24.28.70.0
Feb / -3°336.94.3100.4
Mar10° / 458.42.811.62.5
Apr15° / 54100.813.34.6
May20° / 8513.1014.85.8
Jun23° / 13°9013.6015.66.3
Jul25° / 14°8412.9015.36.5
Aug25° / 14°8911.80146.6
Sep20° / 10°8310.1012.46.2
Oct14° / 649.30.310.64.3
Nov / 598.52.49.11.4
Dec / -3°457.84.18.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45149
55149
65149
75050
85050
94951
104951
114753
124852
134852
144654
154753
164753
174654
184654
194654
204654
214654
224654
234654
244555
254555
264555
274555
284456
294456
304456

Chance of precipitation in September

Any precipitation

Straßgang gets around 83 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 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
836
936
1036
1136
1235
1335
1434
1534
1634
1733
1833
1933
2033
2132
2232
2332
2431
2531
2631
2731
2831
2931
3032

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1513811
2533710
355369
457358
558357
660346
762335
862335
963334
1064324
1165323
1266313
1368302
1469292
1570282
1672271
1774251
1875241
1977221
2078211
2181190
2283170
2384160
2486140
2587130
2688120
2789110
2890100
299190
309190

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over September. Sunrise moves from 5:23 AM to 6:02 AM, and sunset from 6:34 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:236:34
213.15:246:32
313.15:256:30
413.05:276:28
513.05:286:26
612.95:296:24
712.85:316:21
812.85:326:19
912.75:336:17
1012.75:356:15
1112.65:366:13
1212.65:376:11
1312.55:396:09
1412.45:406:07
1512.45:416:05
1612.35:436:03
1712.35:446:01
1812.25:455:58
1912.25:475:56
2012.15:485:54
2112.05:505:52
2212.05:515:50
2311.95:525:48
2411.95:545:46
2511.85:555:44
2611.85:565:42
2711.75:585:40
2811.65:595:38
2911.66:015:35
3011.56:025:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.46 kWh/m².

For context, solar energy here swings from a low near 1.1 kWh/m² to a high of 5.55 kWh/m² in June across the year — September's 3.46 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Moderate
34.0Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.7Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
283.0Moderate
292.9Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Straßgang?

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

6.2
Sightseeing
4th-best month of the year
3.1
Beach & pool
4th-best month of the year

September is a reasonable time to visit Straßgang for sightseeing.

What to pack for Straßgang in September

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

In September, Straßgang sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Straßgang in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Straßgang peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar5Moderate
Apr6High
May7High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Straßgang 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 Straßgang is worst in April — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1515 µg/m³Nov 1310 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Straßgang?

Straßgang sits at 47.0°N, 15.4°E, 351 m above sea level, in Austria. The nearest listed city is Wetzelsdorf, 2.0 km away.

Topography around Straßgang

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

Within 3 km, the terrain around Straßgang has significant variations in elevation — a maximum elevation change of 334 m around an average of 392 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 867 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,216 m.

The land around Straßgang is covered by artificial surfaces (39%) and trees (35%) within 3 km, trees (53%) and grassland (20%) within 16 km, and trees (68%) within 80 km.

3 km
334 m
16 km
867 m
80 km
2,216 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Wetzelsdorf 2.0 km · Gries 4.0 km · Eggenberg 4.0 km · Jakomini 4.0 km · Graz 5.0 km · Sankt Peter 5.0 km · Lend 6.0 km · Sankt Leonhard 6.0 km

Austria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 82% of US
price level, 2025
GDP per capita
$62,930
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 616
Religion
Roman Catholic 55%none 22%Muslim 8%other 5%

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 Straßgang (47.0333°, 15.4°, elevation 351 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).