Prince Edward weather in September

In September, Prince Edward sees average daytime highs of 21°C and overnight lows near 14°C, with 81 mm of rain across 9.1 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-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 35% 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 Prince Edward's 3rd-clearest and 9th-windiest month. For the whole year in context, see Prince Edward's year-round climate.

Daytime high
21°
4th warmest
Overnight low
14°
9th coldest
Rainfall
81 mm
9.1 wet days
Daylight
12 h 18 min
5:54 AM – 6:12 PM
Cloud cover
53%
3rd clearest
Wind
14 km/h
9th windiest
Solar energy
4.33 kWh/m²
Travel score
6.6
out of 10

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 Prince Edward reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12317
22316
32316
42316
52316
62316
72216
82215
92215
102215
112215
122115
132115
142114
152114
162114
172114
182014
192013
202013
212013
222013
231913
241912
251912
261912
271812
281811
291811
301811

How September really feels in Prince Edward

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.

Prince Edward weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -9°7110.78.29.10.0
Feb-1° / -9°568.56.410.20.0
Mar / -4°6910.1511.60.1
Apr10° / 9211.31.813.22.1
May17° / 10°7210.1014.55.2
Jun22° / 16°8110.8015.26.6
Jul25° / 19°7810.30156.9
Aug25° / 18°769.8013.87.1
Sep21° / 14°819.1012.36.6
Oct14° / 9111.90.110.83.9
Nov / 8010.62.19.41.1
Dec / -4°7811.56.38.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45743
55743
65743
75644
85644
95644
105545
115644
125644
135545
145446
155446
165446
175446
185347
195347
205347
215248
225248
235149
245149
255149
265050
275050
284951
294852
304852

Chance of precipitation in September

Any precipitation

Prince Edward gets around 81 mm of rain over 9.1 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 30% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
128
227
327
427
528
628
728
829
929
1029
1129
1229
1330
1430
1530
1630
1730
1830
1931
2031
2131
2231
2332
2432
2533
2634
2734
2835
2935
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 46% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1232726213
2242725203
3262725193
4282724183
5292724173
6312624163
7332623162
8342623152
9362623142
10372523132
11392523121
12412422121
13422422111
14442422101
1545232191
1647232191
1748232180
1851222070
1951222070
2053221960
2155221850
2256221750
2358221640
2459221540
2562211430
2663211330
2764211230
2867201120
2968201020
307019920

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light 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
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light 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 5:37 AM to 6:11 AM, and sunset from 6:41 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:376:41
213.05:386:39
313.05:396:37
412.95:406:35
512.95:416:33
612.85:436:31
712.85:446:29
812.75:456:28
912.75:466:26
1012.65:476:24
1112.65:486:22
1212.55:506:20
1312.55:516:18
1412.45:526:16
1512.45:536:14
1612.35:546:12
1712.25:566:10
1812.25:576:08
1912.15:586:06
2012.15:596:05
2112.06:006:03
2212.06:016:01
2311.96:035:59
2411.96:045:57
2511.86:055:55
2611.86:065:53
2711.76:085:51
2811.76:095:49
2911.66:105:47
3011.66:115:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.33 kWh/m².

For context, solar energy here swings from a low near 1.32 kWh/m² to a high of 6.55 kWh/m² in June across the year — September's 4.33 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Prince Edward?

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

6.6
Sightseeing
3rd-best month of the year
3.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Prince Edward for sightseeing.

What to pack for Prince Edward in September

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

In September, Prince Edward sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Prince Edward in September

The nearest coast averages about 20°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 17 km away) is warmest in August at about 22°C and coldest in March near 1°C.

It's comfortable for a long swim from Jul 16 to Sep 11 — about 1.9 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar1Bracing
Apr3Bracing
May7Bracing
Jun14Bracing
Jul20Refreshing
Aug22Refreshing
Sep20Cool
Oct15Bracing
Nov10Bracing
Dec6Bracing

UV index in Prince Edward in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Prince Edward peaks around July 11 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 highHighModerateLowJul 11UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Prince Edward?

Prince Edward sits at 44.0°N, 77.2°W, 97 m above sea level, in Canada. The nearest listed city is Belleville, 21 km away.

Topography around Prince Edward

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

Within 3 km, the terrain around Prince Edward has only modest variations in elevation — a maximum elevation change of 55 m around an average of 94 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, significant variations in elevation — a maximum elevation change of 325 m.

The land around Prince Edward is covered by cropland (47%), grassland (28%) and trees (23%) within 3 km, trees (31%), grassland (24%) and water (22%) within 16 km, and water (54%) and trees (28%) within 80 km.

3 km
55 m
16 km
121 m
80 km
325 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Belleville 21 km · Quinte West 32 km · Greater Napanee 37 km · Kingston 66 km · Cobourg 73 km · Oswego 85 km · Peterborough 91 km · Irondequoit 91 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 Prince Edward (44.0001°, -77.2495°, elevation 97 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).