Sept-Îles weather in March

In March, Sept-Îles sees average daytime highs of -2°C and overnight lows near -11°C, with 75 mm of precipitation across 10.3 wet days and about 11.5 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about -5°C in the first days to 1°C by the end. The sky is clear or mostly clear about 28% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is Sept-Îles's 4th-clearest and 3rd-windiest month. For the whole year in context, see Sept-Îles's year-round climate.

Daytime high
-2°
9th warmest
Overnight low
-11°
4th coldest
Precipitation
75 mm
10.3 wet days
Daylight
11 h 30 min
5:49 AM – 5:21 PM
Cloud cover
63%
4th clearest
Wind
14 km/h
3rd windiest
Solar energy
3.71 kWh/m²
Travel score
0.0
out of 10

Sept-Îles is city in Quebec, Canada.

Density
13/km²
people per km²
Founded
2003

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about -5°C in the first days to 1°C by the end.

A typical March day in Sept-Îles reaches about -2°C in the afternoon and slips back to -11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -9°C and 4°C. Set against its neighbours, March runs about 6°C warmer than February and about 7°C cooler than April.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
1-5-15
2-5-15
3-5-14
4-5-14
5-5-14
6-5-14
7-4-14
8-4-14
9-4-13
10-4-13
11-4-13
12-3-13
13-3-12
14-3-12
15-3-12
16-2-12
17-2-11
18-2-11
19-2-11
20-1-10
21-1-10
22-1-10
230-10
240-9
250-9
260-9
270-8
281-8
291-8
301-7
311-7

How March really feels in Sept-Îles

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 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
31
31 feel bitter (≤ -10°C)

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

Sept-Îles weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-10° / -19°6910.411.18.30.0
Feb-8° / -18°548.79.39.70.0
Mar-2° / -11°7510.310.211.50.0
Apr / -4°8210.67.813.50.2
May12° / 8511.41.915.22.8
Jun18° / 8111.6016.15.4
Jul21° / 12°10213.5015.75.8
Aug20° / 11°9312.4014.35.9
Sep15° / 10312.20.112.44.3
Oct / 11312.42.810.51.3
Nov / -6°10312.28.68.80.0
Dec-6° / -14°9511.6127.90.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34060
44060
54060
63961
73961
83961
94060
104060
114060
124060
134060
144060
154060
164060
174060
184060
194060
204060
214060
224060
234060
244060
253961
263961
273961
283862
293862
303862
313763

Chance of precipitation in March

Any precipitationSnow

Sept-Îles gets around 75 mm of rain and snow over 10.3 wet days in March. 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 35% on the wettest days, and about 10 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13535
23535
33534
43534
53534
63534
73534
83534
93434
103433
113433
123333
133333
143333
153333
163333
173333
183333
193233
203232
213232
223231
233231
243231
253231
263231
273231
283231
293331
303331
313331

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March 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%151015202531
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
31100

Wind in March

Winds average 14 km/h in March.

Across March, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 36 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over March. Sunrise moves from 6:21 AM to 5:16 AM, and sunset from 4:56 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:214:56
210.66:194:58
310.76:175:00
410.86:155:01
510.86:135:03
610.96:115:05
711.06:095:06
811.06:075:08
911.16:055:10
1011.16:025:11
1111.26:005:13
1211.35:585:15
1311.35:565:16
1411.45:545:18
1511.55:515:20
1611.55:495:21
1711.65:475:23
1811.75:455:24
1911.75:435:26
2011.85:405:28
2111.95:385:29
2211.95:365:31
2312.05:345:33
2412.05:315:34
2512.15:295:36
2612.25:275:37
2712.25:255:39
2812.35:225:41
2912.45:205:42
3012.45:185:44
3112.55:165:45

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.71 kWh/m².

For context, solar energy here swings from a low near 0.98 kWh/m² to a high of 5.75 kWh/m² in June across the year — March's 3.71 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
12.9Moderate
23.0Moderate
33.0Moderate
43.1Moderate
53.1Moderate
63.2Moderate
73.2Moderate
83.3Moderate
93.3Moderate
103.4Moderate
113.4Moderate
123.5Moderate
133.5Moderate
143.6Moderate
153.6Moderate
163.7Moderate
173.8Moderate
183.8Moderate
193.9Moderate
203.9Moderate
214.0Moderate
224.0Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.3Bright
294.3Bright
304.3Bright
314.4Bright
Planning a trip in March

Is March a good time to visit Sept-Îles?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
6th-best month of the year

March is a weaker month for outdoor sightseeing in Sept-Îles.

What to pack for Sept-Îles in March

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

In March, Sept-Îles sees daytime highs around -2°C and nights near -11°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Sept-Îles in March

The nearest coast averages about -1°C in March — 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 14°C and coldest in February near -1°C.

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

-5°0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug14Bracing
Sep11Bracing
Oct7Bracing
Nov4Bracing
Dec1Bracing

UV index in Sept-Îles in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sept-Îles peaks around July 9 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateModerateLowJul 9UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug2Low
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Sept-Îles in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sept-Îles is worst in June — around 24 µg/m³ PM2.5 (moderate), about 15.2× the cleanest month (December, 2 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1622 µg/m³Dec 142 µg/m³
PM2.5 (µg/m³)Level
Jan2Good
Feb4Good
Mar7Good
Apr7Good
May10Good
Jun24Moderate
Jul9Good
Aug9Good
Sep6Good
Oct3Good
Nov2Good
Dec2Good
Location & terrain

Where is Sept-Îles?

Sept-Îles sits at 50.2°N, 66.4°W, 5 m above sea level, in Canada. The nearest listed city is Baie-Comeau, 168 km away.

EdmundstonRivière-du-LoupMiramichiChicoutimiSaguenayJonquière

Topography around Sept-Îles

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

Within 3 km, the terrain around Sept-Îles has only modest variations in elevation — a maximum elevation change of 42 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 370 m; within 80 km, large variations in elevation — a maximum elevation change of 1,000 m.

The land around Sept-Îles is covered by water (54%) and artificial surfaces (22%) within 3 km, water (52%) and trees (38%) within 16 km, and trees (64%) and water (33%) within 80 km.

3 km
42 m
16 km
370 m
80 km
1,000 m
treesgrasslandartificial surfacesbare terrainwaterwetland
March weather nearby: Baie-Comeau 168 km · Rimouski 249 km · Edmundston 345 km · Rivière-du-Loup 350 km · Miramichi 358 km · Chicoutimi 393 km · Saguenay 393 km · Jonquière 405 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

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 Sept-Îles (50.2001°, -66.3821°, elevation 5 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. 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).