Stanley weather in September

In September, Stanley sees average daytime highs of 6°C and overnight lows near 3°C, with 37 mm of precipitation across 9.9 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 6°C through the month. The sky is clear or mostly clear about 17% of the time in September, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of September to 12 h 36 min by month's end. Set against the rest of the year, September is Stanley's 7th-clearest and 4th-windiest month. For the whole year in context, see Stanley's year-round climate.

Daytime high: 6°; 9th warmest
Overnight low: 3°; 3rd coldest
Precipitation: 37 mm; 9.9 wet days
Daylight: 11 h 36 min; 6:57 AM – 6:34 PM
Cloud cover: 68%; 7th clearest
Wind: 30 km/h; 4th windiest
Solar energy: 2.84 kWh/m²
Travel score: 0.3; out of 10

Stanley is capital of the Falkland Islands.

Founded: 1843

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

← August Stanley 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

Day-to-day highs hold fairly steady near 6°C through the month.

A typical September day in Stanley reaches about 6°C in the afternoon and slips back to 3°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 8°C. Set against its neighbours, September runs on par with August and about 2°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)	5	5	5	5	5	5	5	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Avg low (°C)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4

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

How September really feels in Stanley

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 30 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

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Stanley weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	11° / 8°	62	13.1	0	15.9	2.7
Feb	12° / 9°	53	11.9	0	14.4	2.7
Mar	11° / 8°	55	12.1	0	12.5	2.4
Apr	9° / 6°	51	12.5	0.2	10.4	1.6
May	7° / 5°	48	12	0.5	8.6	0.9
Jun	5° / 3°	47	12.3	2.4	7.7	0.2
Jul	5° / 3°	49	12.3	3.4	8.1	0.0
Aug	5° / 3°	39	10.3	2	9.6	0.1
Sep	6° / 3°	37	9.9	1.5	11.6	0.3
Oct	7° / 5°	41	10.1	0.6	13.6	1.0
Nov	9° / 6°	50	11.5	0.1	15.4	1.6
Dec	10° / 7°	67	14.2	0	16.3	2.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 64%.

	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 (%)	37	36	36	36	35	35	35	36	35	35	35	35	35	35	35	36	36	37	37	38	38	38	37	38	36	36	35	35	35	34
Cloudier (%)	63	64	64	64	65	65	65	64	65	65	65	65	65	65	65	64	64	63	63	62	62	62	63	62	64	64	65	65	65	66

	Clearer (%)	Cloudier (%)
1	37	63
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	35	65
8	36	64
9	35	65
10	35	65
11	35	65
12	35	65
13	35	65
14	35	65
15	35	65
16	36	64
17	36	64
18	37	63
19	37	63
20	38	62
21	38	62
22	38	62
23	37	63
24	38	62
25	36	64
26	36	64
27	35	65
28	35	65
29	35	65
30	34	66

Chance of precipitation in September

Any precipitationSnow

Stanley gets around 37 mm of rain and snow over 9.9 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 36% on the wettest days, and about 2 days bring 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 (%)	35	35	36	36	36	36	36	36	36	36	35	35	35	34	34	34	33	33	32	32	31	31	31	31	30	30	30	30	30	31
Snow chance (%)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	5	5	5	4	4	4	3	3	3	3	3	2	2

	Rain chance (%)	Snow chance (%)
1	35	6
2	35	6
3	36	6
4	36	6
5	36	6
6	36	6
7	36	6
8	36	6
9	36	6
10	36	6
11	35	6
12	35	6
13	35	6
14	34	6
15	34	6
16	34	6
17	33	6
18	33	5
19	32	5
20	32	5
21	31	4
22	31	4
23	31	4
24	31	3
25	30	3
26	30	3
27	30	3
28	30	3
29	30	2
30	31	2

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 30 km/h in September.

Across September, daily wind ranges from about 29 km/h on the calmest days to 30 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)	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	29	29	29	29	29	29	29	29
Feels	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy

	Wind speed (km/h)	Feels
1	30	windy
2	30	windy
3	30	windy
4	30	windy
5	30	windy
6	30	windy
7	30	windy
8	30	windy
9	30	windy
10	30	windy
11	30	windy
12	30	windy
13	30	windy
14	30	windy
15	30	windy
16	30	windy
17	30	windy
18	30	windy
19	30	windy
20	30	windy
21	30	windy
22	30	windy
23	29	windy
24	29	windy
25	29	windy
26	29	windy
27	29	windy
28	29	windy
29	29	windy
30	29	windy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 10 h 36 min at the start of September to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over September. Sunrise moves from 7:33 AM to 6:24 AM, and sunset from 6:09 PM to 6:58 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)	10.6	10.7	10.7	10.8	10.9	10.9	11.0	11.1	11.1	11.2	11.3	11.3	11.4	11.5	11.5	11.6	11.7	11.7	11.8	11.9	11.9	12.0	12.1	12.2	12.2	12.3	12.4	12.4	12.5	12.6
Sunrise (AM)	7:33	7:31	7:28	7:26	7:24	7:21	7:19	7:17	7:14	7:12	7:10	7:07	7:05	7:02	7:00	6:57	6:55	6:53	6:50	6:48	6:45	6:43	6:41	6:38	6:36	6:33	6:31	6:29	6:26	6:24
Sunset (PM)	6:09	6:11	6:12	6:14	6:16	6:17	6:19	6:21	6:22	6:24	6:26	6:27	6:29	6:31	6:32	6:34	6:36	6:37	6:39	6:41	6:42	6:44	6:46	6:47	6:49	6:51	6:52	6:54	6:56	6:58

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.6	7:33	6:09
2	10.7	7:31	6:11
3	10.7	7:28	6:12
4	10.8	7:26	6:14
5	10.9	7:24	6:16
6	10.9	7:21	6:17
7	11.0	7:19	6:19
8	11.1	7:17	6:21
9	11.1	7:14	6:22
10	11.2	7:12	6:24
11	11.3	7:10	6:26
12	11.3	7:07	6:27
13	11.4	7:05	6:29
14	11.5	7:02	6:31
15	11.5	7:00	6:32
16	11.6	6:57	6:34
17	11.7	6:55	6:36
18	11.7	6:53	6:37
19	11.8	6:50	6:39
20	11.9	6:48	6:41
21	11.9	6:45	6:42
22	12.0	6:43	6:44
23	12.1	6:41	6:46
24	12.2	6:38	6:47
25	12.2	6:36	6:49
26	12.3	6:33	6:51
27	12.4	6:31	6:52
28	12.4	6:29	6:54
29	12.5	6:26	6:56
30	12.6	6:24	6:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.84 kWh/m².

For context, solar energy here swings from a low near 0.69 kWh/m² to a high of 6.58 kWh/m² in December across the year — September's 2.84 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)	2.1	2.2	2.2	2.3	2.3	2.4	2.4	2.5	2.5	2.5	2.6	2.7	2.7	2.8	2.8	2.9	2.9	3.0	3.0	3.1	3.1	3.2	3.2	3.3	3.3	3.4	3.4	3.5	3.5	3.6
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.1	Moderate
2	2.2	Moderate
3	2.2	Moderate
4	2.3	Moderate
5	2.3	Moderate
6	2.4	Moderate
7	2.4	Moderate
8	2.5	Moderate
9	2.5	Moderate
10	2.5	Moderate
11	2.6	Moderate
12	2.7	Moderate
13	2.7	Moderate
14	2.8	Moderate
15	2.8	Moderate
16	2.9	Moderate
17	2.9	Moderate
18	3.0	Moderate
19	3.0	Moderate
20	3.1	Moderate
21	3.1	Moderate
22	3.2	Moderate
23	3.2	Moderate
24	3.3	Moderate
25	3.3	Moderate
26	3.4	Moderate
27	3.4	Moderate
28	3.5	Moderate
29	3.5	Moderate
30	3.6	Moderate

Planning a trip in September

Is September a good time to visit Stanley?

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

0.3

Sightseeing

9th-best month of the year

—

Beach & pool

never really warm enough

September is a weaker month for outdoor sightseeing in Stanley.

What to pack for Stanley in September

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

In September, Stanley sees daytime highs around 6°C and nights near 3°C. Pack a warm layer and a windbreaker. Worth having: a heavy coat and rain gear. About 10 days see rain.

a warm layera windbreakera heavy coatrain gear

Sea temperature near Stanley in September

The nearest coast averages about 5°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 18 km away) is warmest in February at about 10°C and coldest in August near 5°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	9	10	9	8	7	6	6	5	5	6	7	8
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	9	Bracing
Feb	10	Bracing
Mar	9	Bracing
Apr	8	Bracing
May	7	Bracing
Jun	6	Bracing
Jul	6	Bracing
Aug	5	Bracing
Sep	5	Bracing
Oct	6	Bracing
Nov	7	Bracing
Dec	8	Bracing

UV index in Stanley in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Stanley peaks around December 23 at about 9 (very high) — 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 6 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	9	8	4	2	1	1	1	1	2	5	6	9
Level	Very high	Very high	Moderate	Moderate	Low	Low	Low	Low	Moderate	High	High	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	8	Very high
Mar	4	Moderate
Apr	2	Moderate
May	1	Low
Jun	1	Low
Jul	1	Low
Aug	1	Low
Sep	2	Moderate
Oct	5	High
Nov	6	High
Dec	9	Very high

Location & terrain

Where is Stanley?

Stanley sits at 51.7°S, 57.9°W, 28 m above sea level, in Falkland Islands. The nearest listed city is Río Grande, 702 km away.

Topography around Stanley

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

Within 3 km, the terrain around Stanley has only modest variations in elevation — a maximum elevation change of 131 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 695 m.

The land around Stanley is covered by grassland (66%) and water (31%) within 3 km, water (64%) and grassland (35%) within 16 km, and water (62%) and grassland (38%) within 80 km.

3 km

131 m

grassland 66%

16 km

306 m

water 64%

80 km

695 m

water 62%

grasslandartificial surfacesbare terrainwater

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

September weather nearby: Río Grande 702 km · Puerto Deseado 725 km · Ushuaia 776 km · Río Gallegos 785 km · Punta Arenas 899 km · Pico Truncado 912 km · Caleta Olivia 913 km · Comodoro Rivadavia 957 km

Falkland Islands travel facts

Power plugs: Type G; 240 V · 50 Hz
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 Stanley (-51.6938°, -57.857°, elevation 28 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).

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

	Clearer (%)	Cloudier (%)
1	37	63
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	35	65
8	36	64
9	35	65
10	35	65
11	35	65
12	35	65
13	35	65
14	35	65
15	35	65
16	36	64
17	36	64
18	37	63
19	37	63
20	38	62
21	38	62
22	38	62
23	37	63
24	38	62
25	36	64
26	36	64
27	35	65
28	35	65
29	35	65
30	34	66

	Rain chance (%)	Snow chance (%)
1	35	6
2	35	6
3	36	6
4	36	6
5	36	6
6	36	6
7	36	6
8	36	6
9	36	6
10	36	6
11	35	6
12	35	6
13	35	6
14	34	6
15	34	6
16	34	6
17	33	6
18	33	5
19	32	5
20	32	5
21	31	4
22	31	4
23	31	4
24	31	3
25	30	3
26	30	3
27	30	3
28	30	3
29	30	2
30	31	2

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

	Clearer (%)	Cloudier (%)
1	37	63
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	35	65
8	36	64
9	35	65
10	35	65
11	35	65
12	35	65
13	35	65
14	35	65
15	35	65
16	36	64
17	36	64
18	37	63
19	37	63
20	38	62
21	38	62
22	38	62
23	37	63
24	38	62
25	36	64
26	36	64
27	35	65
28	35	65
29	35	65
30	34	66

	Rain chance (%)	Snow chance (%)
1	35	6
2	35	6
3	36	6
4	36	6
5	36	6
6	36	6
7	36	6
8	36	6
9	36	6
10	36	6
11	35	6
12	35	6
13	35	6
14	34	6
15	34	6
16	34	6
17	33	6
18	33	5
19	32	5
20	32	5
21	31	4
22	31	4
23	31	4
24	31	3
25	30	3
26	30	3
27	30	3
28	30	3
29	30	2
30	31	2

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

	Clearer (%)	Cloudier (%)
1	37	63
2	36	64
3	36	64
4	36	64
5	35	65
6	35	65
7	35	65
8	36	64
9	35	65
10	35	65
11	35	65
12	35	65
13	35	65
14	35	65
15	35	65
16	36	64
17	36	64
18	37	63
19	37	63
20	38	62
21	38	62
22	38	62
23	37	63
24	38	62
25	36	64
26	36	64
27	35	65
28	35	65
29	35	65
30	34	66

	Rain chance (%)	Snow chance (%)
1	35	6
2	35	6
3	36	6
4	36	6
5	36	6
6	36	6
7	36	6
8	36	6
9	36	6
10	36	6
11	35	6
12	35	6
13	35	6
14	34	6
15	34	6
16	34	6
17	33	6
18	33	5
19	32	5
20	32	5
21	31	4
22	31	4
23	31	4
24	31	3
25	30	3
26	30	3
27	30	3
28	30	3
29	30	2
30	31	2

	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