Weather in Grankulla in September

General weather information about Grankulla

Average annual temperature is 8.9 °C

Absolute maximum temperature: 26.4 °C

Absolute minimum temperature: -10.5 °C

Number of sunny days: 139 days

Number of rainy days: 204 days

Number of snow days: 22 days

Look at detailed online map of Grankulla

* Weather data for Grankulla Sweden is based on climate observations for 2026 year

Grankulla air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	6.8	8.2	10.5	16.4	21.7	26.4	24.4	23.1	25.1	18.8	10.3	8.9
Average daytime temperature (°C)	4.2	3.8	5.0	8.2	15.3	20.6	21.0	19.9	19.7	11.3	5.2	3.2
Average temperature (°C)	2.8	1.8	2.3	5.3	11.2	17.0	17.6	16.9	16.5	9.1	3.9	1.6
Average night temperature (°C)	1.1	-0.2	-0.3	2.5	6.7	12.8	14.1	14.1	13.7	6.9	2.1	-0.3
Absolute minimum temperature (°C)	-2.8	-4.1	-10.5	-1.2	-0.1	7.4	12.1	11.9	10.5	3.8	-6.4	-8.6

Grankulla monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	13.0	15.0	17.0	17.0	17.0	16.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	7.5	9.5	11.8	14.3	16.6	17.9	17.2	15.2	12.8	10.3	8.1	6.8
Daylight minimum duration (h)	6.0	8.0	10.0	13.0	15.0	17.0	16.0	14.0	11.0	9.0	7.0	6.0
Sunshine mean duration (h)	2.2	4.0	5.8	10.8	13.9	14.5	13.8	9.2	9.3	4.7	2.5	0.9
Precipitation (mm)	82	29	60	17	13	29	37	85	33	103	71	60
Sunny days	9	13	6	18	24	21	6	8	18	7	5	4
Rainy days	21	12	17	12	7	9	25	23	12	24	20	22
Snow days	1	3	8	0	0	0	0	0	0	0	5	5

Grankulla - weather forecast by months

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

Best time to visit Grankulla:

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

April — 10.8(h)
May — 13.9(h)
June — 14.5(h)
July — 13.8(h)

Months with the longest average daylight duration in Grankulla:

May — 16.6(h)
June — 17.9(h)
July — 17.2(h)

The largest precipitation sum in Grankulla is at

January — 82(mm)

August — 85(mm)

October — 103(mm)

November — 71(mm)

Weather forecast in the closest to Grankulla admin centers