Weather in Arnarstapi in September

General weather information about Arnarstapi

Average annual temperature is 4.3 °C

Absolute maximum temperature: 18.7 °C

Absolute minimum temperature: -12.9 °C

Number of sunny days: 110 days

Number of rainy days: 213 days

Number of snow days: 42 days

Look at detailed online map of Arnarstapi

* Weather data for Arnarstapi Iceland is based on climate observations for 2026 year

Arnarstapi air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	7.1	7.5	6.4	10.2	13.6	14.4	18.7	16.8	12.5	10.0	8.9	6.8
Average daytime temperature (°C)	0.3	3.5	-0.5	6.0	7.7	9.9	13.3	13.3	9.4	6.3	4.5	0.6
Average temperature (°C)	-1.7	1.6	-2.3	3.9	6.1	8.3	10.8	11.2	7.7	4.7	2.9	-1.6
Average night temperature (°C)	-4.3	-0.6	-4.1	1.7	4.5	6.5	8.2	8.9	5.8	2.9	1.3	-4.5
Absolute minimum temperature (°C)	-12.9	-8.6	-9.6	-2.4	-1.1	3.8	5.8	6.5	1.8	-1.0	-1.8	-11.5

Arnarstapi monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	6.0	9.0	13.0	16.0	20.0	21.0	21.0	18.0	14.0	11.0	7.0	4.0
Daylight mean duration (h)	5.3	8.4	11.8	15.2	18.7	21.4	20.0	16.5	13.1	9.7	6.3	4.0
Daylight minimum duration (h)	4.0	6.0	10.0	13.0	16.0	20.0	18.0	14.0	11.0	8.0	4.0	3.0
Sunshine mean duration (h)	1.2	2.1	6.7	8.2	6.1	7.2	13.6	9.5	5.6	3.6	1.7	0.7
Precipitation (mm)	150	319	33	165	260	197	8	117	175	146	82	114
Sunny days	10	0	15	9	1	5	20	10	8	10	12	10
Rainy days	10	20	9	20	30	25	11	21	22	18	15	12
Snow days	11	8	7	1	0	0	0	0	0	3	3	9

Arnarstapi - weather forecast by months

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Best time to visit Arnarstapi:

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

April — 8.2(h)
June — 7.2(h)
July — 13.6(h)
August — 9.5(h)

Months with the longest average daylight duration in Arnarstapi:

May — 18.7(h)
June — 21.4(h)
July — 20.0(h)
August — 16.5(h)

The largest precipitation sum in Arnarstapi is at

February — 319(mm)

May — 260(mm)

June — 197(mm)

Weather forecast in the closest to Arnarstapi admin centers