Debert, Canada — Weather in September 2026

Monthly climate averages for Debert, Canada. Based on 10-year ERA5 reanalysis data.

Dfb Warm-Summer Continental
7.8 /10
Excellent

September is an excellent month in Debert

Climate Overview

Debert, Canada in September has warm conditions, with highs averaging 20.2°C (68°F). Sea temperature stays cool at 19.7°C (67°F).

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 22°C (71°F) at the start to 18°C (65°F) by month's end.

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Expect around 9.1h of sunshine at the start of September, decreasing to 7.4h by the end.

The warmest days tend to fall around the 6th, averaging 22.2°C (72°F).

Compared to August, this month is about 4°C cooler with 2 fewer rainy days. Temperatures begin dropping heading into October.

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Monthly September Averages

Temperature
20°C / 13°C
Feels Like
20°C / 12°C
Rain
8 days · 83 mm
Sunshine
8.3h / day
Humidity
80% — Very Humid
Wind
17 km/h
Wind Direction
WSW (246°)
Gusts
41 km/h
Daylight
12.5 h
Cloud Cover
61%
Clear Sky Days
3.8
UV Index
4.9 — Moderate
Sea Temperature
20°C
Dew Point
13°C — Comfortable
Moon Phase
Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

28°C 24°C 20°C 16°C 12°C 8°C 4°C 151015202530
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202530
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202530
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202530
Wind Speed
Sun Position
Sunrise 06:53
Daylight 12.6h
Sunset 19:28

What to Expect

Daytime temperatures around 20°C (68°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

Recent yearly records for September have stayed close to the long-run average.

Compare Months

January
Poor
Temp
0°C / -7°C
Feels Like
-5°C / -12°C
Rain
13days (110 mm) Wet
Sun
4.5h Fair
Humidity
79% Humid
UV
1.9 Low
Snow Days
17days
View Details
February
Poor
Temp
0°C / -8°C
Feels Like
-5°C / -13°C
Rain
11days (103 mm) Wet
Sun
6.1h Fair
Humidity
77% Humid
UV
3.3 Moderate
Snow Days
14days
View Details
March
Poor
Temp
4°C / -4°C
Feels Like
-1°C / -9°C
Rain
14days (95 mm) Wet
Sun
7.2h Good
Humidity
75% Muggy
UV
3.8 Moderate
Snow Days
14days
View Details
April
Poor
Temp
9°C / 1°C
Feels Like
6°C / -3°C
Rain
12days (90 mm) Wet
Sun
8.2h Good
Humidity
74% Muggy
UV
4.5 Moderate
Snow Days
6days
View Details
May
Fair
Temp
15°C / 6°C
Feels Like
13°C / 3°C
Rain
12days (73 mm) Wet
Sun
9.1h Good
Humidity
74% Muggy
UV
5.6 High
Snow Days
1days
View Details
June best
Excellent
Temp
21°C / 12°C
Feels Like
20°C / 10°C
Rain
12days (101 mm) Wet
Sun
10h Excellent
Humidity
78% Humid
UV
5.9 High
View Details
July best
Excellent
Temp
25°C / 17°C
Feels Like
26°C / 17°C
Rain
10days (82 mm) Wet
Sun
10.8h Excellent
Humidity
80% Humid
UV
6.3 High
View Details
August best
Excellent
Temp
24°C / 16°C
Feels Like
25°C / 17°C
Rain
10days (80 mm) Wet
Sun
10.4h Excellent
Humidity
79% Humid
UV
6 High
View Details
September best
Excellent
Temp
20°C / 13°C
Feels Like
20°C / 12°C
Rain
8days (83 mm) Wet
Sun
8.3h Good
Humidity
80% Humid
UV
4.9 Moderate
View Details
October
Fair
Temp
15°C / 8°C
Feels Like
13°C / 5°C
Rain
10days (95 mm) Wet
Sun
6.8h Fair
Humidity
81% Humid
UV
3.3 Moderate
View Details
November
Poor
Temp
8°C / 2°C
Feels Like
4°C / -3°C
Rain
14days (119 mm) Wet
Sun
4.8h Fair
Humidity
81% Humid
UV
1.8 Low
Snow Days
6days
View Details
December
Poor
Temp
2°C / -4°C
Feels Like
-2°C / -9°C
Rain
13days (107 mm) Wet
Sun
4.3h Fair
Humidity
79% Humid
UV
1.4 Low
Snow Days
12days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 0°C / -7°C -5°C / -12°C 13days (110 mm) Wet 4.5h Fair 79% Humid 1.9 Low Poor View Details
February 0°C / -8°C -5°C / -13°C 11days (103 mm) Wet 6.1h Fair 77% Humid 3.3 Moderate Poor View Details
March 4°C / -4°C -1°C / -9°C 14days (95 mm) Wet 7.2h Good 75% Muggy 3.8 Moderate Poor View Details
April 9°C / 1°C 6°C / -3°C 12days (90 mm) Wet 8.2h Good 74% Muggy 4.5 Moderate Poor View Details
May 15°C / 6°C 13°C / 3°C 12days (73 mm) Wet 9.1h Good 74% Muggy 5.6 High Fair View Details
June best 21°C / 12°C 20°C / 10°C 12days (101 mm) Wet 10h Excellent 78% Humid 5.9 High Excellent View Details
July best 25°C / 17°C 26°C / 17°C 10days (82 mm) Wet 10.8h Excellent 80% Humid 6.3 High Excellent View Details
August best 24°C / 16°C 25°C / 17°C 10days (80 mm) Wet 10.4h Excellent 79% Humid 6 High Excellent View Details
September best 20°C / 13°C 20°C / 12°C 8days (83 mm) Wet 8.3h Good 80% Humid 4.9 Moderate Excellent View Details
October 15°C / 8°C 13°C / 5°C 10days (95 mm) Wet 6.8h Fair 81% Humid 3.3 Moderate Fair View Details
November 8°C / 2°C 4°C / -3°C 14days (119 mm) Wet 4.8h Fair 81% Humid 1.8 Low Poor View Details
December 2°C / -4°C -2°C / -9°C 13days (107 mm) Wet 4.3h Fair 79% Humid 1.4 Low Poor View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

September is typically excellent for visiting Debert, with average highs of 20°C (68°F) and around 8 rainy days. Debert, Canada in September has warm conditions, with highs averaging 20.2°C (68°F). Sea temperature stays cool at 19.7°
Debert typically sees around 8 rainy days in September with 83 mm (3.3 in) of total rainfall. An umbrella should suffice.
Evenings in Debert during September are mild at 13°C (56°F). A light cardigan is usually enough.
With highs of 20°C (68°F) and lows of 13°C (56°F) in September, we recommend: Umbrella, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, September offers some of the best weather conditions in Debert with comfortable temperatures and lower chances of rain.
The average UV index in Debert during September is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Debert gets approximately 13 hours of daylight per day in September, with around 8 hours of sunshine.
Snow is uncommon in Debert during September based on 10-year climate averages.

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