STATISTICS from CTO Weather Centre -
September, 2026
MONTHLY SUMMARY: MEANS AND TOTALS:
Reading
Mean
Normal
RecHi
Year
RecLo
Year
High Temp
2023
2019
Low Temp
2018
2019
Mean Temp
2023
2019
Dew Point
2015
2019
Relative Humidity
64
%
74
%
2018
58
%
2023
Barometric Pressure
2018
2017
Winds
2023
2002
- from
ENE
WNW
N
Monthly Total
Total
Normal
RecMost
YY
RecLeast
YY
Rain
2021
2019
Snow
2015
2015
- Water Equivalent mm
2015
2015
Precipitation
2021
2019
Sunshine
105
h
319
h
2017
0
h
2002
MONTHLY SUMMARY: SINGLE-DAY EXTREMES AND RECORDS:
Reading
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
High Temperature
2023-05
2006-29
Low Temp
2023-06
2019-03
Humidex
2023-05
Wind Chill
n/a-n/a
Dew Point
2023-05
2019-27
Relative Humidity
99
%
2025-23
0
%
2019-27
Barometric Pressure
2020-21
2022-25
Winds
2020-02
- from
SW
Daily Total
Most
DD
RecMost
YY-DD
Rain
2021-23
Snow
2002-01
Snow Equiv mm
2002-01
Precipitation
2021-23
Sunshine
15:48
h
2014-24
Daily Mean
Max
DD
Min
DD
RecHi
YY-DD
RecLo
YY-DD
Temperature
2023-05
2006-29
Dew Point
2023-05
2019-27
Relative Humidity
89
%
2022-20
12
%
2016-27
Barometric Pressure
2020-20
2017-27
Winds
2023-01
2002-01
- from
NNW
N
EVENTS NEXT MONTH (20):
CTO First Established - September 1 @ 01:00
On this day in 1986, the CTO was first established. Radio observations began the following day.
Alberta and Saskatchewan Join Confederation - September 1 @ 01:00
Today marks 121 years since Alberta and Saskatchewan joined the Canadian Confederation in 1905.
World War II began - September 1 @ 01:00
The global conflagration known as World War II began on this date, in 1939. It began with the German invasion of Poland, and ended six years later with the defeat of Germany and the nuclear bombing of Japan. Canada played a signficant role in the war, first protecting trans-Atlantic shipping, then by contributing great numbers of aircraft and crew, and finally by fielding a large army in Europe, playing a major role in the liberation of the Netherlands.
World War II ended - September 2 @ 01:00
World War II officially ended on this day in 1945, with the signing of formal surrender documents by the Japanese, aboard the US battleship Missouri, in Tokyo Bay. Japan's final surrender was precipitated by the nuclear bombings of Hiroshima and Nagasaki a few weeks earlier.
Allied Invasion of Italy - September 3 @ 01:00
On this day in 1943, allied forces invaded southern Italy and began fighting their way north. Canadians were a prominent force.
Last Quarter - September 4 @ 03:51
A waning half-Moon is near the meridian (halfway across the sky) as the Sun rises.
New Moon - September 10 @ 23:26
The Moon is nearest the Sun in the sky and cannot be seen from the ground.
"Hurroncane" - September 11 @ 01:00
On this day in 1996 (30 years ago), a subtropical cyclone formed in Lake Huron, reaching Tropical Storm intensity. It was the only recorded instance of a warm-core cyclone forming in the Great Lakes region.
Hurricane Fiona - September 14 @ 01:00
On this day in 2022, Hurricane Fiona formed, going on to strike Nova Scotia, Quebec, and Newfoundland and Labrador.
Hurricane Lee - September 17 @ 01:00
On this day in 2023, Hurricane Lee formed, going on to strike Nova Scotia, New Brunswick and Prince Edward Island.
First Quarter - September 18 @ 16:43
A waxing half-Moon is near the meridian (halfway across the sky) as the Sun sets.
Dunrobin Tornado - September 21 @ 01:00
On this day in 2018, a tornado touched down in Dunrobin, Ontario, just outside Ottawa. Other tornadoes in the region caused a major power outage, including through parts of the downtown area.
Discovery of Neptune - September 23 @ 01:00
The eigth planet from the Sun was discovered on this day in 1846 (180 years ago), by Johann Gottfried Galle. The discovery was based on predictions made by Urbain Le Verrier and John Couch Adams. who calculated its position from orbital perturbations of Uranus.
Hurricane Fiona - September 24 @ 01:00
On this day in 2022, Hurricane Fiona made landfall in Nova Scotia, causing extensive damage throughout the Maritimes. Damages were close to a billion dollars.
Full Moon - September 26 @ 12:49
The Moon is most-opposite the Sun in the sky, rising as the sun sets.
Labour Day - September 7 @ 01:00
Canada and other countries take this day off in recognition of the accomplishments of workers.
Autumnal (Fall) Equinox - September 22 @ 20:05
Summer ends; Autumn begins (N. Hemisphere). Winter ends; Spring begins (S. Hemisphere). Day and night are equal worldwide.
Alouette I launched. - September 29 @ 01:00
Canada's first space satellite, Alouette 1, was launched in 1962 and remains in orbit, though no longer functional.
Hurricane Juan - September 29 @ 01:00
On this day in 2003, hurricane Juan made landfall in Nova Scotia, as a Category Two storm. The hurricane's arrival coincided with a high tide, and the resultant storm surge caused massive damage and significant coastal erosion.
National Day for Truth and Reconciliation - September 30 @ 01:00
This day is set aside to reflect on our relations with Indigenous Peoples. Canada was originally taken from the First Nationa, and, historically, we have treated them atrociously. This day is about change.
Next Month:
Day
MeanHigh
MeanLow
MeanTemp
AvRH
AvDP
AvBP
Prec
Sunrise
Sunset
Moon
Winds
1
65%
06:25
19:40
Waning Gibbous
W @
2
66%
06:26
19:38
Waning Gibbous
ENE @
3
62%
06:27
19:36
Last Quarter
E @
4
63%
06:28
19:34
Waning Crescent
ENE @
5
62%
06:30
19:33
Waning Crescent
W @
6
62%
06:31
19:31
Waning Crescent
WNW @
7
66%
06:32
19:29
Waning Crescent
E @
8
71%
06:33
19:27
Waning Crescent
ENE @
9
64%
06:34
19:25
Waning Crescent
ENE @
10
68%
06:36
19:23
New
ENE @
11
65%
06:37
19:21
Waxing Crescent
ENE @
12
66%
06:38
19:19
Waxing Crescent
ENE @
13
70%
06:39
19:17
Waxing Crescent
ENE @
14
66%
06:40
19:15
Waxing Crescent
E @
15
65%
06:42
19:13
Waxing Crescent
ENE @
16
61%
06:43
19:11
Waxing Crescent
W @
17
65%
06:44
19:10
First Quarter
ENE @
18
65%
06:45
19:08
Waxing Gibbous
E @
19
62%
06:47
19:06
Waxing Gibbous
ENE @
20
61%
06:48
19:04
Waxing Gibbous
E @
21
70%
06:49
19:02
Waxing Gibbous
E @
22
70%
06:50
19:00
Waxing Gibbous
ENE @
23
66%
06:51
18:58
Waxing Gibbous
E @
24
61%
06:53
18:56
Full
ENE @
25
58%
06:54
18:54
Waning Gibbous
E @
26
61%
06:55
18:52
Waning Gibbous
E @
27
50%
06:56
18:50
Waning Gibbous
E @
28
64%
06:58
18:48
Waning Gibbous
ENE @
29
65%
06:59
18:46
Waning Gibbous
E @
30
67%
07:00
18:45
Waning Gibbous
ENE @
September
64%
10.8°C
1017.1 mb
ENE @ 1 km/h
This page was last regenerated 2026-08-11@03:00.
It is sheduled to be regenerated every 1 Days.
It is next scheduled for regeneration on 2026-08-12@03:00
(To view this page's template code, please Click Here.)
