Rawson weather in September

In September, Rawson sees average daytime highs of 23°C and overnight lows near 9°C, with 18 mm of precipitation across 3.3 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 70% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Rawson's 2nd-clearest and 4th-windiest month. For the whole year in context, see Rawson's year-round climate.

Daytime high: 23°; 8th warmest
Overnight low: 9°; 5th coldest
Precipitation: 18 mm; 3.3 wet days
Daylight: 11 h 48 min; 7:34 AM – 7:23 PM
Cloud cover: 28%; 2nd clearest
Wind: 9 km/h; 4th windiest
Solar energy: 5.77 kWh/m²
Travel score: 8.5; out of 10

← August Rawson 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

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical September day in Rawson reaches about 23°C in the afternoon and slips back to 9°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 30°C. Set against its neighbours, September runs about 3°C warmer than August and about 4°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)	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23	23	23	23	24	24	24	24	24	24	24	24	24
Avg low (°C)	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10

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

How September really feels in Rawson

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Rawson weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 19°	17	3.2	13.8	4.6
Feb	31° / 18°	20	3.4	13.2	5.3
Mar	29° / 16°	24	3.9	12.2	6.9
Apr	24° / 11°	18	3.3	11.2	8.4
May	20° / 7°	11	2.6	10.4	7.8
Jun	18° / 3°	8	2	10	7.2
Jul	17° / 2°	8	2.2	10.1	7.0
Aug	20° / 5°	10	2.3	10.8	8.1
Sep	23° / 9°	18	3.3	11.8	8.5
Oct	26° / 12°	21	3.5	12.8	8.2
Nov	29° / 15°	16	3.2	13.6	6.7
Dec	32° / 18°	22	3.3	14	5.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 18%.

	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 (%)	82	82	81	81	81	81	81	81	81	81	82	82	82	82	83	82	82	82	83	83	83	83	83	83	83	83	82	81	81	81
Cloudier (%)	18	18	19	19	19	19	19	19	19	19	18	18	18	18	17	18	18	18	17	17	17	17	17	17	17	17	18	19	19	19

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	82	18
12	82	18
13	82	18
14	82	18
15	83	17
16	82	18
17	82	18
18	82	18
19	83	17
20	83	17
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	82	18
28	81	19
29	81	19
30	81	19

Chance of precipitation in September

Any precipitation

Rawson gets around 18 mm of rain and snow over 3.3 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 11% and peaks near 12% on the wettest days, and about 0 day brings snow.

	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 (%)	9	10	10	11	11	11	12	12	12	12	11	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	10	10	10

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

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 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 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)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10
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	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 18 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 60 minutes over September. Sunrise moves from 7:54 AM to 7:15 AM, and sunset from 7:14 PM to 7:32 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)	11.3	11.4	11.4	11.4	11.5	11.5	11.5	11.5	11.6	11.6	11.6	11.7	11.7	11.7	11.8	11.8	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.1	12.2	12.2	12.2	12.3
Sunrise (AM)	7:54	7:53	7:52	7:50	7:49	7:48	7:46	7:45	7:44	7:42	7:41	7:40	7:38	7:37	7:36	7:34	7:33	7:31	7:30	7:29	7:27	7:26	7:25	7:23	7:22	7:21	7:19	7:18	7:17	7:15
Sunset (PM)	7:14	7:14	7:15	7:15	7:16	7:17	7:17	7:18	7:18	7:19	7:20	7:20	7:21	7:22	7:22	7:23	7:23	7:24	7:25	7:25	7:26	7:27	7:27	7:28	7:28	7:29	7:30	7:30	7:31	7:32

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	7:54	7:14
2	11.4	7:53	7:14
3	11.4	7:52	7:15
4	11.4	7:50	7:15
5	11.5	7:49	7:16
6	11.5	7:48	7:17
7	11.5	7:46	7:17
8	11.5	7:45	7:18
9	11.6	7:44	7:18
10	11.6	7:42	7:19
11	11.6	7:41	7:20
12	11.7	7:40	7:20
13	11.7	7:38	7:21
14	11.7	7:37	7:22
15	11.8	7:36	7:22
16	11.8	7:34	7:23
17	11.8	7:33	7:23
18	11.9	7:31	7:24
19	11.9	7:30	7:25
20	11.9	7:29	7:25
21	12.0	7:27	7:26
22	12.0	7:26	7:27
23	12.0	7:25	7:27
24	12.1	7:23	7:28
25	12.1	7:22	7:28
26	12.1	7:21	7:29
27	12.2	7:19	7:30
28	12.2	7:18	7:30
29	12.2	7:17	7:31
30	12.3	7:15	7:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.77 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 8.04 kWh/m² in December across the year — September's 5.77 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)	5.2	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.5	5.5	5.6	5.6	5.7	5.7	5.8	5.8	5.9	5.9	6.0	6.0	6.0	6.1	6.1	6.1	6.2	6.2	6.2	6.3	6.3	6.3
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.2	Bright
2	5.2	Bright
3	5.2	Bright
4	5.3	Bright
5	5.3	Bright
6	5.3	Bright
7	5.4	Bright
8	5.4	Bright
9	5.5	Bright
10	5.5	Bright
11	5.6	Bright
12	5.6	Bright
13	5.7	Bright
14	5.7	Bright
15	5.8	Bright
16	5.8	Bright
17	5.9	Bright
18	5.9	Bright
19	6.0	Bright
20	6.0	Intense
21	6.0	Intense
22	6.1	Intense
23	6.1	Intense
24	6.1	Intense
25	6.2	Intense
26	6.2	Intense
27	6.2	Intense
28	6.3	Intense
29	6.3	Intense
30	6.3	Intense

Planning a trip in September

Is September a good time to visit Rawson?

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

8.5

Sightseeing

1st-best month of the year

6.4

Beach & pool

8th-best month of the year

September is one of the better times to visit Rawson for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rawson in September

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

In September, Rawson sees daytime highs around 23°C and nights near 9°C. Worth packing: light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Rawson 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 Rawson peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	13	11	6	4	3	4	5	7	11	12	13
Level	Extreme	Extreme	Extreme	High	Moderate	Moderate	Moderate	Moderate	High	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	13	Extreme
Mar	11	Extreme
Apr	6	High
May	4	Moderate
Jun	3	Moderate
Jul	4	Moderate
Aug	5	Moderate
Sep	7	High
Oct	11	Extreme
Nov	12	Extreme
Dec	13	Extreme

Location & terrain

Where is Rawson?

Rawson sits at 31.6°S, 68.5°W, 660 m above sea level, in Argentina. The nearest listed city is San Juan, 5.0 km away.

Topography around Rawson

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

Within 3 km, the terrain around Rawson has only modest variations in elevation — a maximum elevation change of 53 m around an average of 636 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,093 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,838 m.

The land around Rawson is covered by artificial surfaces (64%) within 3 km, shrubs (27%), bare terrain (23%) and cropland (21%) within 16 km, and shrubs (39%), bare terrain (35%) and grassland (21%) within 80 km.

3 km

53 m

artificial surfaces 64%

16 km

1,093 m

shrubs 27%

80 km

3,838 m

shrubs 39%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

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

September weather nearby: San Juan 5.0 km · Santa Lucía 6.0 km · Villa Paula de Sarmiento 10 km · Chimbas 10 km · Pocito 12 km · Villa General San Martín 16 km · Albardón 16 km · Caucete 26 km

Argentina travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / I; 220 V · 50 Hz
Prices: ≈ 46% of US; price level, 2025
GDP per capita: $14,898; 2025
Happiness: 6.4 / 10; World Happiness, 2025
Homicide rate: 4.5; per 100k, 2023
Road deaths: 14.1; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: High; EF EPI 575
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 Rawson (-31.5819°, -68.5421°, elevation 660 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. 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	22	7
2	22	7
3	22	7
4	22	7
5	22	7
6	22	7
7	22	7
8	22	8
9	22	8
10	22	8
11	22	8
12	22	8
13	23	8
14	23	8
15	23	8
16	23	9
17	23	9
18	23	9
19	23	9
20	23	9
21	23	9
22	24	9
23	24	9
24	24	10
25	24	10
26	24	10
27	24	10
28	24	10
29	24	10
30	24	10

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	82	18
12	82	18
13	82	18
14	82	18
15	83	17
16	82	18
17	82	18
18	82	18
19	83	17
20	83	17
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	82	18
28	81	19
29	81	19
30	81	19

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

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

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	82	18
12	82	18
13	82	18
14	82	18
15	83	17
16	82	18
17	82	18
18	82	18
19	83	17
20	83	17
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	82	18
28	81	19
29	81	19
30	81	19

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

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

	Clearer (%)	Cloudier (%)
1	82	18
2	82	18
3	81	19
4	81	19
5	81	19
6	81	19
7	81	19
8	81	19
9	81	19
10	81	19
11	82	18
12	82	18
13	82	18
14	82	18
15	83	17
16	82	18
17	82	18
18	82	18
19	83	17
20	83	17
21	83	17
22	83	17
23	83	17
24	83	17
25	83	17
26	83	17
27	82	18
28	81	19
29	81	19
30	81	19

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

	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