Saint-Pierre weather in September

In September, Saint-Pierre sees average daytime highs of 15°C and overnight lows near 13°C, with 125 mm of rain across 11 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 14°C by the end. The sky is clear or mostly clear about 31% 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 Saint-Pierre's 1st-clearest and 8th-windiest month. For the whole year in context, see Saint-Pierre's year-round climate.

Daytime high: 15°; 2nd warmest
Overnight low: 13°; 11th coldest
Rainfall: 125 mm; 11 wet days
Daylight: 12 h 18 min; 6:29 AM – 6:49 PM
Cloud cover: 61%; 1st clearest
Wind: 27 km/h; 8th windiest
Solar energy: 3.81 kWh/m²
Travel score: 4.4; out of 10

Saint-Pierre is commune in Saint-Pierre-et-Miquelon, France.

Density: 248/km²; people per km²
Founded: 1670

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

← August Saint-Pierre 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 ease over the month, from about 16°C in the first days to 14°C by the end.

A typical September day in Saint-Pierre reaches about 15°C in the afternoon and slips back to 13°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 17°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer 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)	17	16	16	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	14	14	14	14	14	14	14	14	13	13
Avg low (°C)	15	15	15	15	15	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12	11	11

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

How September really feels in Saint-Pierre

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.

Saint-Pierre weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	1° / -3°	141	17.6	15.1	8.8	0.0
Feb	0° / -4°	122	15.2	12.9	10	0.0
Mar	1° / -2°	124	13.8	9.6	11.6	0.0
Apr	3° / 1°	109	13.2	4.6	13.3	0.0
May	5° / 4°	102	11.4	0.5	14.8	0.2
Jun	9° / 8°	104	11.3	0	15.6	1.8
Jul	14° / 13°	109	11.8	0	15.3	3.8
Aug	17° / 16°	99	11.2	0	14	5.2
Sep	15° / 13°	125	11	0	12.4	4.4
Oct	11° / 9°	141	12.6	0.1	10.6	2.5
Nov	7° / 4°	143	15.6	2.4	9.2	0.8
Dec	4° / 0°	151	17.9	10	8.4	0.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 56%.

	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 (%)	46	45	45	45	44	44	45	45	45	45	44	44	43	44	43	43	43	42	42	43	42	42	42	42	42	42	43	43	44	43
Cloudier (%)	54	55	55	55	56	56	55	55	55	55	56	56	57	56	57	57	57	58	58	57	58	58	58	58	58	58	57	57	56	57

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	44	56
15	43	57
16	43	57
17	43	57
18	42	58
19	42	58
20	43	57
21	42	58
22	42	58
23	42	58
24	42	58
25	42	58
26	42	58
27	43	57
28	43	57
29	44	56
30	43	57

Chance of precipitation in September

Any precipitation

Saint-Pierre gets around 125 mm of rain over 11 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 38% and peaks near 39% on the wettest days.

	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 (%)	38	38	38	38	38	38	38	37	37	37	37	37	37	37	37	37	37	36	36	36	37	37	37	38	38	38	39	39	39	39

	Rain chance (%)
1	38
2	38
3	38
4	38
5	38
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	37
15	37
16	37
17	37
18	36
19	36
20	36
21	37
22	37
23	37
24	38
25	38
26	38
27	39
28	39
29	39
30	39

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 65% 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 (%)	40	42	44	46	47	49	50	52	54	55	56	58	61	63	64	67	69	70	73	75	76	77	79	80	81	82	82	84	85	86
Comfortable (%)	40	39	39	38	38	37	37	36	35	35	34	33	31	30	29	27	26	25	23	22	21	20	19	18	17	16	16	15	14	13
Humid (%)	20	19	17	16	15	14	13	12	11	10	10	9	8	7	7	6	5	5	4	3	3	3	2	2	2	2	2	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)
1	40	40	20
2	42	39	19
3	44	39	17
4	46	38	16
5	47	38	15
6	49	37	14
7	50	37	13
8	52	36	12
9	54	35	11
10	55	35	10
11	56	34	10
12	58	33	9
13	61	31	8
14	63	30	7
15	64	29	7
16	67	27	6
17	69	26	5
18	70	25	5
19	73	23	4
20	75	22	3
21	76	21	3
22	77	20	3
23	79	19	2
24	80	18	2
25	81	17	2
26	82	16	2
27	82	16	2
28	84	15	1
29	85	14	1
30	86	13	1

Wind in September

Winds average 27 km/h in September.

Across September, daily wind ranges from about 26 km/h on the calmest days to 29 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)	26	26	26	26	26	26	27	27	27	27	27	27	27	27	27	27	28	28	28	28	28	28	28	28	29	29	29	29	29	29
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	windy	windy

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

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 6:09 AM to 6:48 AM, and sunset from 7:20 PM to 6:20 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)	13.2	13.1	13.1	13.0	13.0	12.9	12.8	12.8	12.7	12.7	12.6	12.6	12.5	12.4	12.4	12.3	12.3	12.2	12.2	12.1	12.0	12.0	11.9	11.9	11.8	11.8	11.7	11.6	11.6	11.5
Sunrise (AM)	6:09	6:10	6:12	6:13	6:14	6:16	6:17	6:18	6:20	6:21	6:22	6:24	6:25	6:26	6:28	6:29	6:31	6:32	6:33	6:35	6:36	6:37	6:39	6:40	6:41	6:43	6:44	6:45	6:47	6:48
Sunset (PM)	7:20	7:18	7:16	7:14	7:12	7:10	7:08	7:05	7:03	7:01	6:59	6:57	6:55	6:53	6:51	6:49	6:47	6:45	6:43	6:41	6:38	6:36	6:34	6:32	6:30	6:28	6:26	6:24	6:22	6:20

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.2	6:09	7:20
2	13.1	6:10	7:18
3	13.1	6:12	7:16
4	13.0	6:13	7:14
5	13.0	6:14	7:12
6	12.9	6:16	7:10
7	12.8	6:17	7:08
8	12.8	6:18	7:05
9	12.7	6:20	7:03
10	12.7	6:21	7:01
11	12.6	6:22	6:59
12	12.6	6:24	6:57
13	12.5	6:25	6:55
14	12.4	6:26	6:53
15	12.4	6:28	6:51
16	12.3	6:29	6:49
17	12.3	6:31	6:47
18	12.2	6:32	6:45
19	12.2	6:33	6:43
20	12.1	6:35	6:41
21	12.0	6:36	6:38
22	12.0	6:37	6:36
23	11.9	6:39	6:34
24	11.9	6:40	6:32
25	11.8	6:41	6:30
26	11.8	6:43	6:28
27	11.7	6:44	6:26
28	11.6	6:45	6:24
29	11.6	6:47	6:22
30	11.5	6:48	6:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.81 kWh/m².

For context, solar energy here swings from a low near 0.91 kWh/m² to a high of 5.61 kWh/m² in June across the year — September's 3.81 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)	4.4	4.4	4.3	4.3	4.2	4.2	4.2	4.1	4.1	4.0	4.0	3.9	3.9	3.9	3.8	3.8	3.7	3.7	3.6	3.6	3.6	3.5	3.5	3.4	3.4	3.3	3.3	3.2	3.2	3.1
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	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	4.4	Bright
2	4.4	Bright
3	4.3	Bright
4	4.3	Bright
5	4.2	Bright
6	4.2	Bright
7	4.2	Bright
8	4.1	Bright
9	4.1	Bright
10	4.0	Bright
11	4.0	Moderate
12	3.9	Moderate
13	3.9	Moderate
14	3.9	Moderate
15	3.8	Moderate
16	3.8	Moderate
17	3.7	Moderate
18	3.7	Moderate
19	3.6	Moderate
20	3.6	Moderate
21	3.6	Moderate
22	3.5	Moderate
23	3.5	Moderate
24	3.4	Moderate
25	3.4	Moderate
26	3.3	Moderate
27	3.3	Moderate
28	3.2	Moderate
29	3.2	Moderate
30	3.1	Moderate

Planning a trip in September

Is September a good time to visit Saint-Pierre?

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

4.4

Sightseeing

2nd-best month of the year

—

Beach & pool

never really warm enough

September is a reasonable time to visit Saint-Pierre for sightseeing.

What to pack for Saint-Pierre in September

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

In September, Saint-Pierre sees daytime highs around 15°C and nights near 13°C. Worth packing: a warm layer, rain gear and a windbreaker. About 11 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Saint-Pierre in September

The nearest coast averages about 14°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 16°C and coldest in March near 1°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)	2	1	1	2	4	7	12	16	14	10	7	4
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	2	Bracing
Feb	1	Bracing
Mar	1	Bracing
Apr	2	Bracing
May	4	Bracing
Jun	7	Bracing
Jul	12	Bracing
Aug	16	Cool
Sep	14	Bracing
Oct	10	Bracing
Nov	7	Bracing
Dec	4	Bracing

UV index in Saint-Pierre 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 Saint-Pierre peaks around June 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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)	1	2	3	5	7	9	7	5	5	3	1	1
Level	Low	Low	Moderate	High	High	Very high	High	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	3	Moderate
Apr	5	High
May	7	High
Jun	9	Very high
Jul	7	High
Aug	5	High
Sep	5	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Saint-Pierre?

Saint-Pierre sits at 46.8°N, 56.2°W, 30 m above sea level, in Saint Pierre and Miquelon. The nearest listed city is Conception Bay South, 253 km away.

Topography around Saint-Pierre

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

Within 3 km, the terrain around Saint-Pierre has only modest variations in elevation — a maximum elevation change of 200 m around an average of 46 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 200 m; within 80 km, significant variations in elevation — a maximum elevation change of 276 m.

The land around Saint-Pierre is covered by grassland (39%) and water (38%) within 3 km, water (88%) within 16 km, and water (85%) within 80 km.

3 km

200 m

grassland 39%

16 km

200 m

water 88%

80 km

276 m

water 85%

treesgrasslandartificial surfacesbare terrainwater

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

September weather nearby: Conception Bay South 253 km · Paradise 263 km · Mount Pearl 270 km · Corner Brook 275 km · St. John's 276 km · Glace Bay 296 km · Sydney 315 km · New Glasgow 515 km

Saint Pierre and Miquelon travel facts

Power plugs: Type C / E / F; 230 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 Saint-Pierre (46.7791°, -56.1773°, elevation 30 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	17	15
2	16	15
3	16	15
4	16	15
5	16	15
6	16	14
7	16	14
8	16	14
9	16	14
10	16	14
11	16	14
12	15	14
13	15	14
14	15	13
15	15	13
16	15	13
17	15	13
18	15	13
19	15	13
20	15	13
21	14	13
22	14	12
23	14	12
24	14	12
25	14	12
26	14	12
27	14	12
28	14	12
29	13	11
30	13	11

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	44	56
15	43	57
16	43	57
17	43	57
18	42	58
19	42	58
20	43	57
21	42	58
22	42	58
23	42	58
24	42	58
25	42	58
26	42	58
27	43	57
28	43	57
29	44	56
30	43	57

	Rain chance (%)
1	38
2	38
3	38
4	38
5	38
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	37
15	37
16	37
17	37
18	36
19	36
20	36
21	37
22	37
23	37
24	38
25	38
26	38
27	39
28	39
29	39
30	39

	Dry (%)	Comfortable (%)	Humid (%)
1	40	40	20
2	42	39	19
3	44	39	17
4	46	38	16
5	47	38	15
6	49	37	14
7	50	37	13
8	52	36	12
9	54	35	11
10	55	35	10
11	56	34	10
12	58	33	9
13	61	31	8
14	63	30	7
15	64	29	7
16	67	27	6
17	69	26	5
18	70	25	5
19	73	23	4
20	75	22	3
21	76	21	3
22	77	20	3
23	79	19	2
24	80	18	2
25	81	17	2
26	82	16	2
27	82	16	2
28	84	15	1
29	85	14	1
30	86	13	1

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

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	44	56
15	43	57
16	43	57
17	43	57
18	42	58
19	42	58
20	43	57
21	42	58
22	42	58
23	42	58
24	42	58
25	42	58
26	42	58
27	43	57
28	43	57
29	44	56
30	43	57

	Rain chance (%)
1	38
2	38
3	38
4	38
5	38
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	37
15	37
16	37
17	37
18	36
19	36
20	36
21	37
22	37
23	37
24	38
25	38
26	38
27	39
28	39
29	39
30	39

	Dry (%)	Comfortable (%)	Humid (%)
1	40	40	20
2	42	39	19
3	44	39	17
4	46	38	16
5	47	38	15
6	49	37	14
7	50	37	13
8	52	36	12
9	54	35	11
10	55	35	10
11	56	34	10
12	58	33	9
13	61	31	8
14	63	30	7
15	64	29	7
16	67	27	6
17	69	26	5
18	70	25	5
19	73	23	4
20	75	22	3
21	76	21	3
22	77	20	3
23	79	19	2
24	80	18	2
25	81	17	2
26	82	16	2
27	82	16	2
28	84	15	1
29	85	14	1
30	86	13	1

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

	Clearer (%)	Cloudier (%)
1	46	54
2	45	55
3	45	55
4	45	55
5	44	56
6	44	56
7	45	55
8	45	55
9	45	55
10	45	55
11	44	56
12	44	56
13	43	57
14	44	56
15	43	57
16	43	57
17	43	57
18	42	58
19	42	58
20	43	57
21	42	58
22	42	58
23	42	58
24	42	58
25	42	58
26	42	58
27	43	57
28	43	57
29	44	56
30	43	57

	Rain chance (%)
1	38
2	38
3	38
4	38
5	38
6	38
7	38
8	37
9	37
10	37
11	37
12	37
13	37
14	37
15	37
16	37
17	37
18	36
19	36
20	36
21	37
22	37
23	37
24	38
25	38
26	38
27	39
28	39
29	39
30	39

	Dry (%)	Comfortable (%)	Humid (%)
1	40	40	20
2	42	39	19
3	44	39	17
4	46	38	16
5	47	38	15
6	49	37	14
7	50	37	13
8	52	36	12
9	54	35	11
10	55	35	10
11	56	34	10
12	58	33	9
13	61	31	8
14	63	30	7
15	64	29	7
16	67	27	6
17	69	26	5
18	70	25	5
19	73	23	4
20	75	22	3
21	76	21	3
22	77	20	3
23	79	19	2
24	80	18	2
25	81	17	2
26	82	16	2
27	82	16	2
28	84	15	1
29	85	14	1
30	86	13	1