Sept-Îles weather in April

In April, Sept-Îles sees average daytime highs of 4°C and overnight lows near -4°C, with 82 mm of precipitation across 10.6 wet days and about 13.5 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 2°C in the first days to 7°C by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of April to 14 h 24 min by month's end. Set against the rest of the year, April is Sept-Îles's 7th-clearest and 5th-windiest month. For the whole year in context, see Sept-Îles's year-round climate.

Daytime high
7th warmest
Overnight low
-4°
6th coldest
Precipitation
82 mm
10.6 wet days
Daylight
13 h 30 min
4:40 AM – 6:11 PM
Cloud cover
67%
7th clearest
Wind
13 km/h
5th windiest
Solar energy
4.97 kWh/m²
Travel score
0.2
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 2°C in the first days to 7°C by the end.

A typical April day in Sept-Îles reaches about 4°C in the afternoon and slips back to -4°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 9°C. Set against its neighbours, April runs about 7°C warmer than March and about 7°C cooler than May.

-10°10°151015202530
Avg high (°C)Avg low (°C)
12-7
22-7
32-6
42-6
52-6
63-6
73-6
83-5
93-5
103-5
114-5
124-5
134-4
144-4
154-4
165-4
175-4
185-3
195-3
205-3
216-3
226-3
236-2
246-2
256-2
267-2
277-2
287-1
297-1
308-1

How April really feels in Sept-Îles

Once humidity and wind are folded in, April 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
0
heat index over the day's high
Days feeling ≤ C
30
11 feel bitter (≤ -10°C)

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

Sept-Îles weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23664
33664
43565
53565
63664
73664
83763
93763
103763
113763
123862
133763
143763
153763
163763
173763
183862
193763
203664
213664
223763
233763
243664
253664
263763
273664
283763
293664
303664

Chance of precipitation in April

Any precipitationSnow

Sept-Îles gets around 82 mm of rain and snow over 10.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 37% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13331
23431
33431
43531
53531
63531
73531
83531
93530
103630
113629
123628
133628
143627
153626
163726
173725
183725
193724
203623
213623
223622
233621
243621
253620
263619
273619
283618
293617
303616

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
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
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over April. Sunrise moves from 5:13 AM to 4:12 AM, and sunset from 5:47 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:135:47
212.65:115:49
312.75:095:50
412.85:075:52
512.85:045:54
612.95:025:55
712.95:005:57
813.04:585:58
913.14:556:00
1013.14:536:02
1113.24:516:03
1213.34:496:05
1313.34:476:06
1413.44:456:08
1513.54:426:10
1613.54:406:11
1713.64:386:13
1813.64:366:14
1913.74:346:16
2013.84:326:18
2113.84:306:19
2213.94:286:21
2313.94:266:22
2414.04:246:24
2514.14:226:26
2614.14:206:27
2714.24:186:29
2814.24:166:30
2914.34:146:32
3014.44:126:33

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.97 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 — April's 4.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Sept-Îles?

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

0.2
Sightseeing
7th-best month of the year
0.0
Beach & pool
6th-best month of the year

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

What to pack for Sept-Îles in April

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

In April, Sept-Îles sees daytime highs around 4°C and nights near -4°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 11 days see rain.

a warm layera heavy coatrain gearsun protection

Sea temperature near Sept-Îles in April

The nearest coast averages about 1°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 4 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).