Weather in Lachine in September

General weather information about Lachine

Average annual temperature is 8.4 °C

Absolute maximum temperature: 32.1 °C

Absolute minimum temperature: -29.7 °C

Number of sunny days: 132 days

Number of rainy days: 189 days

Number of snow days: 44 days

Look at detailed online map of Lachine

* Weather data for Lachine Canada is based on climate observations for 2026 year

Lachine air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	5.1	7.3	9.6	25.1	30.0	31.9	32.1	26.7	30.8	27.4	14.0	8.0
Average daytime temperature (°C)	-1.5	-1.9	3.0	13.4	19.2	23.7	26.5	23.5	22.3	16.1	5.5	1.7
Average temperature (°C)	-4.6	-6.8	-1.1	7.1	13.1	18.7	22.4	19.5	17.9	12.5	1.8	-1.3
Average night temperature (°C)	-7.5	-11.4	-4.5	2.1	7.5	14.3	19.1	16.0	14.4	9.8	-1.0	-4.1
Absolute minimum temperature (°C)	-18.1	-29.7	-11.0	-7.1	2.0	9.0	13.4	11.7	8.7	0.2	-8.4	-14.8

Lachine monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.2	10.4	11.9	13.5	14.9	15.6	15.3	14.1	12.5	10.9	9.5	8.8
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	3.1	5.5	6.4	7.8	10.7	9.8	10.6	9.9	9.4	5.8	5.6	3.0
Precipitation (mm)	120	75	57	110	81	109	173	194	67	148	56	129
Sunny days	8	5	10	13	22	10	3	6	21	8	12	14
Rainy days	10	8	11	17	9	20	28	25	9	23	13	16
Snow days	13	15	10	0	0	0	0	0	0	0	5	1

Lachine - weather forecast by months

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Best time to visit Lachine:

The best time to visit Lachine during the most sunny months:

May — 10.7(h)
June — 9.8(h)
July — 10.6(h)
August — 9.9(h)
September — 9.4(h)

Months with the longest average daylight duration in Lachine:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Lachine is at

July — 173(mm)

August — 194(mm)

October — 148(mm)

Weather forecast in the closest to Lachine admin centers