Pickering weather in September

In September, Pickering sees average daytime highs of 21°C and overnight lows near 11°C, with 78 mm of rain across 9.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 32% 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 Pickering's 3rd-clearest and 9th-windiest month. For the whole year in context, see Pickering's year-round climate.

Daytime high
21°
4th warmest
Overnight low
11°
9th coldest
Rainfall
78 mm
9.5 wet days
Daylight
12 h 18 min
6:02 AM – 6:20 PM
Cloud cover
57%
3rd clearest
Wind
11 km/h
9th windiest
Solar energy
4.16 kWh/m²
Travel score
6.5
out of 10

Pickering is city in Durham Region, Ontario, Canada.

Density
396/km²
people per km²
Founded
1811

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 23°C in the first days to 18°C by the end.

A typical September day in Pickering reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12413
22313
32313
42313
52313
62313
72312
82212
92212
102212
112212
122211
132111
142111
152111
162111
172110
182010
192010
202010
212010
22209
23199
24199
25199
26199
27188
28188
29188
30178

How September really feels in Pickering

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.

Pickering weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -11°6210.48.89.10.0
Feb-1° / -10°498.16.910.20.0
Mar / -5°5910.45.711.60.2
Apr12° / 8211.32.313.22.8
May18° / 8211.2014.55.6
Jun23° / 13°9311.7015.26.5
Jul26° / 16°8810.9014.96.6
Aug25° / 15°8410.1013.86.9
Sep21° / 11°789.5012.36.5
Oct13° / 8111.50.410.83.7
Nov / -1°7110.63.29.50.7
Dec / -6°6210.47.38.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55248
65248
75248
85149
95050
105149
114951
124951
134951
144951
154951
164951
174951
184951
194951
204852
214852
224753
234753
244753
254654
264555
274555
284456
294456
304456

Chance of precipitation in September

Any precipitation

Pickering gets around 78 mm of rain over 9.5 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 32% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
130
230
331
431
531
632
732
832
932
1032
1132
1231
1331
1431
1530
1630
1730
1830
1930
2030
2130
2231
2331
2432
2533
2634
2735
2835
2936
3036

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1422619121
2442618121
3452517111
4472517111
5492416101
6502416101
753231590
853231590
954231580
1056221480
1157221470
1257221470
1360211360
1460211360
1561211350
1662201350
1764201240
1865191240
1967181230
2067181230
2170171120
2270171120
2372161020
2474151010
257515910
267614910
277714810
287813810
298012800
308112700

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712light breeze
2812light breeze
2912light breeze
3012light 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 5:44 AM to 6:19 AM, and sunset from 6:48 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:446:48
213.05:466:46
313.05:476:44
412.95:486:43
512.95:496:41
612.85:506:39
712.85:516:37
812.75:536:35
912.75:546:33
1012.65:556:31
1112.65:566:29
1212.55:576:27
1312.55:586:26
1412.46:006:24
1512.36:016:22
1612.36:026:20
1712.26:036:18
1812.26:046:16
1912.16:056:14
2012.16:076:12
2112.06:086:10
2212.06:096:08
2311.96:106:06
2411.96:116:04
2511.86:136:03
2611.86:146:01
2711.76:155:59
2811.76:165:57
2911.66:175:55
3011.66:195:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.16 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 6.36 kWh/m² in June across the year — September's 4.16 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Pickering?

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

6.5
Sightseeing
3rd-best month of the year
3.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Pickering for sightseeing.

What to pack for Pickering in September

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

In September, Pickering sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Pickering in September

The nearest coast averages about 19°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in August at about 21°C and coldest in March near 3°C.

It's comfortable for a long swim from Jul 27 to Sep 2 — about 1.2 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun14Bracing
Jul19Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Pickering 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 Pickering peaks around June 21 at about 8 (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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Pickering 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 Pickering is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 2019 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar16Moderate
Apr17Moderate
May19Moderate
Jun18Moderate
Jul18Moderate
Aug16Moderate
Sep14Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Pickering?

Pickering sits at 43.9°N, 79.1°W, 214 m above sea level, in Canada. The nearest listed city is Ajax, 10 km away.

Topography around Pickering

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

Within 3 km, the terrain around Pickering has only modest variations in elevation — a maximum elevation change of 114 m around an average of 197 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 339 m; within 80 km, significant variations in elevation — a maximum elevation change of 520 m.

The land around Pickering is covered by trees (34%), cropland (32%) and grassland (23%) within 3 km, trees (33%), cropland (20%) and artificial surfaces (20%) within 16 km, and water (37%) and trees (26%) within 80 km.

3 km
114 m
16 km
339 m
80 km
520 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ajax 10 km · Rouge 11 km · Markham 11 km · Stouffville 12 km · Malvern 12 km · Morningside 14 km · West Hill 15 km · Brooklin 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 Pickering (43.9001°, -79.1329°, elevation 214 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).