Weather in Grimsby in September

General weather information about Grimsby

Average annual temperature is 10.6 °C

Absolute maximum temperature: 31.8 °C

Absolute minimum temperature: -14.4 °C

Number of sunny days: 146 days

Number of rainy days: 190 days

Number of snow days: 29 days

Look at detailed online map of Grimsby

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

Grimsby air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	6.8	14.2	11.0	26.4	27.9	28.8	30.9	28.7	31.8	27.9	14.8	13.8
Average daytime temperature (°C)	2.7	5.0	5.2	13.5	17.9	22.4	26.7	24.2	22.2	16.5	8.7	6.2
Average temperature (°C)	0.4	0.1	1.6	8.6	12.7	18.7	22.8	20.6	18.8	13.5	5.5	3.8
Average night temperature (°C)	-1.3	-3.2	-1.0	4.9	8.7	15.5	19.4	17.8	16.0	11.3	2.9	1.9
Absolute minimum temperature (°C)	-8.6	-14.4	-4.9	-3.4	2.7	11.6	16.9	13.9	12.6	2.1	-3.9	-2.3

Grimsby 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)	9.4	10.5	11.9	13.4	14.7	15.3	15.0	13.9	12.5	11.0	9.7	9.0
Daylight minimum duration (h)	9.0	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)	3.3	6.6	6.4	8.9	11.7	11.6	11.7	10.6	9.7	6.3	5.8	3.1
Precipitation (mm)	78	73	102	109	43	95	149	123	20	78	59	85
Sunny days	8	10	10	12	23	15	9	9	14	12	13	11
Rainy days	15	9	12	18	8	15	22	22	16	19	14	20
Snow days	8	9	9	0	0	0	0	0	0	0	3	0

Grimsby - weather forecast by months

Grimsby weather in january Grimsby weather in february Grimsby weather in march Grimsby weather in april Grimsby weather in may Grimsby weather in june Grimsby weather in july Grimsby weather in august Grimsby weather in september Grimsby weather in october Grimsby weather in november Grimsby weather in december

Best time to visit Grimsby:

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

May — 11.7(h)
June — 11.6(h)
July — 11.7(h)
August — 10.6(h)

Months with the longest average daylight duration in Grimsby:

June — 15.3(h)

The largest precipitation sum in Grimsby is at

April — 109(mm)

July — 149(mm)

August — 123(mm)

Weather forecast in the closest to Grimsby admin centers