8.3 /10
Excellent

September is an excellent month in Fallingbrook

Climate Overview

Fallingbrook, Canada in September has warm conditions, with highs averaging 21.3°C (70°F).

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 23°C (73°F) at the start to 19°C (67°F) by month's end.

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

Expect around 9.8h of sunshine at the start of September, decreasing to 8.6h by the end.

The warmest days tend to fall around the 4th, averaging 23.2°C (74°F).

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

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Monthly September Averages

Temperature
21°C / 13°C
Feels Like
21°C / 12°C
Rain
8 days · 69 mm
Sunshine
9.3h / day
Humidity
75% — Humid
Wind
14 km/h
Wind Direction
WSW (247°)
Gusts
34 km/h
Daylight
12.5 h
Cloud Cover
53%
Clear Sky Days
5.4
UV Index
4.8 — Moderate
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 4 8 12 16 20 151015202530
Wind Speed
Sun Position
Sunrise 06:42
Daylight 12.6h
Sunset 19:16

What to Expect

Daytime temperatures around 21°C (70°F) are ideal for full-day outdoor exploration.

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

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
-4°C / -12°C
Feels Like
-8°C / -17°C
Rain
11days (76 mm) Wet
Sun
4.9h Fair
Humidity
77% Humid
UV
1.9 Low
Snow Days
17days
February
Poor
Temp
-2°C / -11°C
Feels Like
-7°C / -16°C
Rain
11days (80 mm) Wet
Sun
6h Fair
Humidity
75% Muggy
UV
3 Moderate
Snow Days
16days
March
Poor
Temp
3°C / -6°C
Feels Like
-1°C / -11°C
Rain
12days (89 mm) Wet
Sun
7.5h Good
Humidity
72% Muggy
UV
3.8 Moderate
Snow Days
11days
April
Poor
Temp
11°C / 1°C
Feels Like
7°C / -3°C
Rain
13days (112 mm) Wet
Sun
8.3h Good
Humidity
67% Muggy
UV
4.7 Moderate
Snow Days
5days
May best
Good
Temp
19°C / 8°C
Feels Like
18°C / 6°C
Rain
12days (100 mm) Wet
Sun
10.2h Excellent
Humidity
67% Muggy
UV
5.5 High
Snow Days
1days
June best
Excellent
Temp
24°C / 14°C
Feels Like
24°C / 13°C
Rain
12days (104 mm) Wet
Sun
10.9h Excellent
Humidity
70% Muggy
UV
6.2 High
July best
Excellent
Temp
27°C / 17°C
Feels Like
28°C / 18°C
Rain
12days (114 mm) Wet
Sun
11.9h Excellent
Humidity
73% Muggy
UV
6.5 High
August best
Excellent
Temp
25°C / 16°C
Feels Like
26°C / 17°C
Rain
12days (110 mm) Wet
Sun
10.5h Excellent
Humidity
76% Humid
UV
5.7 High
September best
Excellent
Temp
21°C / 13°C
Feels Like
21°C / 12°C
Rain
8days (69 mm) Wet
Sun
9.3h Good
Humidity
75% Muggy
UV
4.8 Moderate
October
Fair
Temp
14°C / 7°C
Feels Like
12°C / 4°C
Rain
12days (112 mm) Wet
Sun
6.5h Fair
Humidity
76% Humid
UV
3.1 Moderate
Snow Days
1days
November
Poor
Temp
5°C / -1°C
Feels Like
1°C / -5°C
Rain
12days (81 mm) Wet
Sun
4.8h Fair
Humidity
78% Humid
UV
2 Low
Snow Days
9days
December
Poor
Temp
-1°C / -8°C
Feels Like
-5°C / -12°C
Rain
12days (88 mm) Wet
Sun
4h Fair
Humidity
78% Humid
UV
1.5 Low
Snow Days
15days
Month Temp Feels Like Rain Sun Humidity UV Status Details
January -4°C / -12°C -8°C / -17°C 11days (76 mm) Wet 4.9h Fair 77% Humid 1.9 Low Poor View Details
February -2°C / -11°C -7°C / -16°C 11days (80 mm) Wet 6h Fair 75% Muggy 3 Moderate Poor View Details
March 3°C / -6°C -1°C / -11°C 12days (89 mm) Wet 7.5h Good 72% Muggy 3.8 Moderate Poor View Details
April 11°C / 1°C 7°C / -3°C 13days (112 mm) Wet 8.3h Good 67% Muggy 4.7 Moderate Poor View Details
May best 19°C / 8°C 18°C / 6°C 12days (100 mm) Wet 10.2h Excellent 67% Muggy 5.5 High Good View Details
June best 24°C / 14°C 24°C / 13°C 12days (104 mm) Wet 10.9h Excellent 70% Muggy 6.2 High Excellent View Details
July best 27°C / 17°C 28°C / 18°C 12days (114 mm) Wet 11.9h Excellent 73% Muggy 6.5 High Excellent View Details
August best 25°C / 16°C 26°C / 17°C 12days (110 mm) Wet 10.5h Excellent 76% Humid 5.7 High Excellent View Details
September best 21°C / 13°C 21°C / 12°C 8days (69 mm) Wet 9.3h Good 75% Muggy 4.8 Moderate Excellent View Details
October 14°C / 7°C 12°C / 4°C 12days (112 mm) Wet 6.5h Fair 76% Humid 3.1 Moderate Fair View Details
November 5°C / -1°C 1°C / -5°C 12days (81 mm) Wet 4.8h Fair 78% Humid 2 Low Poor View Details
December -1°C / -8°C -5°C / -12°C 12days (88 mm) Wet 4h Fair 78% Humid 1.5 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 Fallingbrook, with average highs of 21°C (70°F) and around 8 rainy days. Fallingbrook, Canada in September has warm conditions, with highs averaging 21.3°C (70°F).
Fallingbrook typically sees around 8 rainy days in September with 69 mm (2.7 in) of total rainfall. An umbrella should suffice.
Evenings in Fallingbrook during September are mild at 13°C (55°F). A light cardigan is usually enough.
With highs of 21°C (70°F) and lows of 13°C (55°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 Fallingbrook with comfortable temperatures and lower chances of rain.
The average UV index in Fallingbrook during September is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Fallingbrook gets approximately 13 hours of daylight per day in September, with around 9 hours of sunshine.
Snow is uncommon in Fallingbrook during September based on 10-year climate averages.

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