Iceland in late September experiences a transitional period between summer and winter. Expect average temperatures ranging from 4C to 10C (39F to 50F), with daylight hours decreasing significantly. Precipitation, including rain, sleet, or even occasional snow, is common. This period marks the beginning of the Northern Lights viewing season, with darker nights offering increased opportunities.
Understanding Iceland’s climatic conditions at this time is crucial for planning a trip. Packing appropriate clothing layers for fluctuating temperatures and potential precipitation is essential. The shift towards winter brings a unique beauty to the landscapes, with the potential for witnessing both autumnal colors and early snowfall. The extended hours of darkness offer a greater chance to observe the Aurora Borealis, a significant draw for many visitors.