Reykjavik Weather

September 2026

Historical data
Average Temperature
10.6 °C
High
/
6.2 °C
Low
173.4mm
Precipitation
14.3°C
Peak Temp
2.6°C
Low Temp
30
Days Count

Temperature Trends

Daily high, low, and average

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Weather Insights

Key findings from analysis for selected period

Variable with Cold Extremes

Worth noting

Average of 10.6°C but 12 cold days (2.6°C low).

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Stable Climate

Notable

Consistent temperatures with only 11.7°C variation.

High Rainfall Period

Worth noting

173mm of rain over 30 days.

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2 Exceptional Weather Events

Info

The most extreme days in this period:

Sep 8 Heat

Hottest day: 14.3°C

Sep 16 Rain

Heavy rain: 34.6mm in one day

High Humidity Levels

Info

Average humidity of 83% indicates persistently moist air conditions. Heat sensation amplified during warm periods (10.6°C average temperature).

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Consistent Humidity Levels

Notable

Stable humidity conditions with only 20% variation (72%-92%). Predictable moisture levels throughout period.

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