Churchill weather in September

In September, Churchill sees average daytime highs of 9°C and overnight lows near 5°C, with 72 mm of precipitation across 11.1 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 7°C by the end. The sky is clear or mostly clear about 11% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Churchill's 4th-clearest and 3rd-windiest month. For the whole year in context, see Churchill's year-round climate.

Daytime high
3rd warmest
Overnight low
10th coldest
Precipitation
72 mm
11.1 wet days
Daylight
12 h 30 min
5:56 AM – 6:26 PM
Cloud cover
79%
4th clearest
Wind
24 km/h
3rd windiest
Solar energy
2.29 kWh/m²
Travel score
1.8
out of 10

Churchill is town in Manitoba, Canada.

Density
17/km²
people per km²

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 7°C by the end.

A typical September day in Churchill reaches about 9°C in the afternoon and slips back to 5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 15°C. Set against its neighbours, September runs about 5°C cooler than August and about 8°C warmer than October.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
1128
2128
3128
4127
5127
6117
7117
8117
9116
10116
11106
12106
13106
14105
15105
1695
1795
1895
1994
2094
2184
2284
2384
2484
2573
2673
2773
2873
2962
3062

How September really feels in Churchill

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 12 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
12
wind chill below the day's low

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

Churchill weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-23° / -28°103.14.46.70.0
Feb-21° / -27°933.68.80.0
Mar-15° / -22°183.95.111.40.0
Apr-6° / -13°215.35140.0
May / -4°3674.516.50.0
Jun / 457.6117.92.0
Jul14° / 679.1017.34.0
Aug14° / 8912.5015.23.8
Sep / 7211.10.712.61.8
Oct / -2°569.66.59.90.0
Nov-9° / -14°236.48.87.40.0
Dec-18° / -23°133.65.36.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32377
42377
52278
62278
72278
82278
92278
102179
112080
122080
132080
142080
152080
162080
172080
182080
191981
201981
211882
221981
231981
241882
251882
261882
271882
281882
291882
301882

Chance of precipitation in September

Any precipitationSnow

Churchill gets around 72 mm of rain and snow over 11.1 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 37% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1390
2390
3380
4370
5370
6360
7360
8360
9351
10361
11361
12361
13362
14372
15372
16372
17383
18383
19384
20384
21384
22384
23385
24375
25375
26366
27356
28347
29337
30338

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.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 24 km/h in September.

Across September, daily wind ranges from about 22 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1924breezy
2024breezy
2124breezy
2224breezy
2324breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 48 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 150 minutes over September. Sunrise moves from 5:21 AM to 6:28 AM, and sunset from 7:11 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:217:11
213.75:247:08
313.75:267:05
413.65:287:02
513.55:316:59
613.45:336:56
713.35:356:53
813.25:376:50
913.15:406:47
1013.05:426:44
1113.05:446:41
1212.95:476:38
1312.85:496:35
1412.75:516:32
1512.65:536:29
1612.55:566:26
1712.45:586:23
1812.36:006:20
1912.26:036:17
2012.26:056:14
2112.16:076:11
2212.06:096:08
2311.96:126:05
2411.86:146:02
2511.76:165:59
2611.66:195:56
2711.56:215:53
2811.46:235:50
2911.46:265:47
3011.36:285:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.29 kWh/m².

For context, solar energy here swings from a low near 0.36 kWh/m² to a high of 5.96 kWh/m² in June across the year — September's 2.29 kWh/m² falls in the middle.

0123151015202530
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.8Moderate
42.8Moderate
52.7Moderate
62.7Moderate
72.6Moderate
82.6Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.4Moderate
132.4Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.2Moderate
182.2Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.0Moderate
232.0Moderate
242.0Dim
251.9Dim
261.9Dim
271.9Dim
281.8Dim
291.8Dim
301.8Dim
Planning a trip in September

Is September a good time to visit Churchill?

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

1.8
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

September is a weaker month for outdoor sightseeing in Churchill.

What to pack for Churchill in September

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

In September, Churchill sees daytime highs around 9°C and nights near 5°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 11 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Churchill in September

The nearest coast averages about 8°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 10°C and coldest in January near -2°C.

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

-5°0°5°10°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan-1Bracing
Feb-1Bracing
Mar-1Bracing
Apr-1Bracing
May-1Bracing
Jun1Bracing
Jul5Bracing
Aug10Bracing
Sep8Bracing
Oct4Bracing
Nov0Bracing
Dec-1Bracing

UV index in Churchill in September

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Churchill peaks around June 14 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 17 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 14UV 6Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr4Moderate
May5High
Jun6High
Jul5Moderate
Aug3Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low

Air quality in Churchill in September

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Churchill is worst in August — around 15 µg/m³ PM2.5 (moderate), about 25.5× the cleanest month (January, 1 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodAug 1315 µg/m³Jan 11 µg/m³
PM2.5 (µg/m³)Level
Jan1Good
Feb1Good
Mar4Good
Apr11Good
May13Moderate
Jun9Good
Jul12Moderate
Aug15Moderate
Sep7Good
Oct3Good
Nov1Good
Dec1Good
Location & terrain

Where is Churchill?

Churchill sits at 58.8°N, 94.2°W, 0 m above sea level, in Canada. The nearest listed city is Prince Albert, 949 km away.

Prince AlbertYorktonKenoraWinnipegSt. James-Assiniboia EastFort Garry SouthSteinbachFort McMurray

Topography around Churchill

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

Within 3 km, the terrain around Churchill has only modest variations in elevation — a maximum elevation change of 26 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 53 m; within 80 km, only modest variations in elevation — a maximum elevation change of 120 m.

The land around Churchill is covered by water (69%) within 3 km, water (64%) and grassland (20%) within 16 km, and water (39%), grassland (29%) and wetland (20%) within 80 km.

3 km
26 m
16 km
53 m
80 km
120 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmoss and lichen
September weather nearby: Prince Albert 949 km · Yorkton 991 km · Kenora 1,001 km · Winnipeg 1,006 km · St. James-Assiniboia East 1,007 km · Fort Garry South 1,017 km · Steinbach 1,041 km · Fort McMurray 1,043 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 Churchill (58.7681°, -94.1667°, elevation 0 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).