Weather in Round Lake in September

General weather information about Round Lake

Average annual temperature is 8.4 °C

Absolute maximum temperature: 31.4 °C

Absolute minimum temperature: -29.7 °C

Number of sunny days: 146 days

Number of rainy days: 179 days

Number of snow days: 40 days

Look at detailed online map of Round Lake

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

Round Lake air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	5.1	9.8	7.8	27.3	31.1	31.4	31.1	26.7	31.2	28.5	13.2	8.8
Average daytime temperature (°C)	0.1	1.3	3.5	14.4	19.4	23.6	26.4	23.5	22.8	15.4	5.7	3.2
Average temperature (°C)	-3.4	-4.8	-1.2	7.6	12.8	18.3	21.1	18.7	17.2	11.4	1.7	0.2
Average night temperature (°C)	-6.6	-9.5	-5.1	2.1	6.9	13.7	16.6	14.7	12.5	8.2	-1.7	-2.3
Absolute minimum temperature (°C)	-17.1	-29.7	-12.0	-8.7	0.1	9.4	13.0	9.7	6.7	-3.0	-7.6	-10.1

Round Lake 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	9.0
Daylight mean duration (h)	9.3	10.4	11.9	13.5	14.8	15.5	15.2	14.0	12.5	11.0	9.6	8.9
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)	2.9	5.4	6.4	8.6	11.2	10.6	11.8	10.6	9.9	5.3	5.5	2.9
Precipitation (mm)	84	76	89	103	71	128	153	72	16	85	47	83
Sunny days	9	10	11	15	22	10	5	10	20	12	13	9
Rainy days	11	10	10	13	9	20	26	21	10	19	12	18
Snow days	11	8	10	2	0	0	0	0	0	0	5	4

Round Lake - weather forecast by months

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Best time to visit Round Lake:

The best time to visit Round Lake during the most sunny months:

May — 11.2(h)
June — 10.6(h)
July — 11.8(h)
August — 10.6(h)
September — 9.9(h)

Months with the longest average daylight duration in Round Lake:

June — 15.5(h)

The largest precipitation sum in Round Lake is at

June — 128(mm)

July — 153(mm)

Weather forecast in the closest to Round Lake admin centers