Cole Harbour weather in September

In September, Cole Harbour sees average daytime highs of 20°C and overnight lows near 11°C, with 97 mm of rain across 9.4 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Cole Harbour's 1st-clearest and 8th-windiest month. For the whole year in context, see Cole Harbour's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
97 mm
9.4 wet days
Daylight
12 h 18 min
5:59 AM – 6:17 PM
Cloud cover
62%
1st clearest
Wind
13 km/h
8th windiest
Solar energy
3.87 kWh/m²
Travel score
6.2
out of 10

Cole Harbour is suburban community in Halifax Regional Municipality, Nova Scotia, Canada.

Founded
1754

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 21°C in the first days to 18°C by the end.

A typical September day in Cole Harbour reaches about 20°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12213
22213
32113
42113
52113
62113
72113
82112
92112
102012
112012
122012
132012
142012
152011
162011
171911
181911
191911
201911
211910
221910
231810
241810
251810
261810
271810
28189
29179
30179

How September really feels in Cole Harbour

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Cole Harbour weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -9°11111.57.990.0
Feb-0° / -9°10110.47.410.10.0
Mar / -5°108126.811.60.0
Apr / 9212.13.713.21.6
May14° / 8311.30.314.63.9
Jun19° / 10°9811.7015.35.7
Jul23° / 15°9010.30156.5
Aug23° / 15°9110.2013.96.7
Sep20° / 11°979.4012.36.2
Oct14° / 12410.60.110.73.9
Nov / 12911.11.79.41.3
Dec / -4°13413.36.28.70.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24654
34654
44654
54555
64555
74456
84456
94357
104357
114357
124258
134258
144159
154159
164159
174159
184159
194159
204159
214159
224159
234159
244258
254357
264258
274258
284258
294258
304357

Chance of precipitation in September

Any precipitation

Cole Harbour gets around 97 mm of rain over 9.4 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 31% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
229
329
429
529
630
730
830
930
1030
1130
1230
1331
1431
1531
1631
1732
1832
1932
2032
2132
2233
2333
2433
2533
2633
2733
2833
2933
3033

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13929248
24029238
34129228
44328218
54428207
64628197
74727197
84827187
94927187
105126176
115225176
125225176
135424175
145623165
155722165
165921164
175921164
186020164
196319153
206319153
216418153
226418153
236617143
246717133
256717133
266916123
277016113
287315102
29741592
30751492

Wind in September

Winds average 13 km/h in September.

Across September, 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
112light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over September. Sunrise moves from 5:41 AM to 6:16 AM, and sunset from 6:46 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:416:46
213.05:426:44
313.05:436:43
412.95:446:41
512.95:466:39
612.85:476:37
712.85:486:35
812.75:496:33
912.75:516:31
1012.65:526:29
1112.65:536:27
1212.55:546:25
1312.55:556:23
1412.45:576:21
1512.45:586:19
1612.35:596:17
1712.36:006:15
1812.26:016:13
1912.16:036:11
2012.16:046:10
2112.06:056:08
2212.06:066:06
2311.96:086:04
2411.96:096:02
2511.86:106:00
2611.86:115:58
2711.76:135:56
2811.76:145:54
2911.66:155:52
3011.66:165:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.87 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 5.49 kWh/m² in June across the year — September's 3.87 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.3Bright
54.3Bright
64.3Bright
74.2Bright
84.2Bright
94.1Bright
104.1Bright
114.1Bright
124.0Bright
134.0Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.7Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.5Moderate
253.5Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.3Moderate
303.3Moderate
Planning a trip in September

Hazard calendar for Cole Harbour

In seasonPeak

In September, Cole Harbour sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Cole Harbour sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Cole Harbour?

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

6.2
Sightseeing
3rd-best month of the year
3.0
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Cole Harbour for sightseeing.

What to pack for Cole Harbour in September

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

In September, Cole Harbour sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Cole Harbour in September

The nearest coast averages about 16°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 17°C and coldest in March near 1°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar1Bracing
Apr2Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug17Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Cole Harbour 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 Cole Harbour peaks around June 21 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5Moderate
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Cole Harbour?

Cole Harbour sits at 44.7°N, 63.5°W, 50 m above sea level, in Canada. The nearest listed city is Woodlawn, 4.0 km away.

Topography around Cole Harbour

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

Within 3 km, the terrain around Cole Harbour has only modest variations in elevation — a maximum elevation change of 120 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, significant variations in elevation — a maximum elevation change of 312 m.

The land around Cole Harbour is covered by trees (56%) within 3 km, trees (50%) and water (35%) within 16 km, and trees (54%) and water (40%) within 80 km.

3 km
120 m
16 km
189 m
80 km
312 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Woodlawn 4.0 km · Dartmouth 8.0 km · Downtown Halifax 9.0 km · Halifax 9.0 km · Halifax South End 9.0 km · Halifax West End 12 km · Armdale 13 km · Clayton Park West 15 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 Cole Harbour (44.6724°, -63.4751°, elevation 50 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).