Gullfoss in september: average Weather, Temperature and Climate
Weather in Gullfoss in september 2025
The weather in Gullfoss in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather 56.6cm
Weather at 6am
40°F
Moderate rain at times
28% of time
18%
14%
14%
Weather at 12pm
47°F
Moderate rain at times
32% of time
18%
17%
15%
Weather at 6pm
41°F
Moderate rain at times
38% of time
16%
15%
15%
Weather at 3am
36°F
27%
18%
16%
15%
Evolution of daily average temperature and precipitation in Gullfoss in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Gullfoss in september.
The climate of Gullfoss in september is very bad
The weather in september in Gullfoss is wet (with 9.8in of precipitation over 13 days). The situation is deteriorating compared to the previous month since in august there is an average of 5.7in of rainfall over 9 days.
The climate is rather more than very fresh in this location the month of september. Bring warm clothes! The high seasonal norm is 49°F. On average, the recorded minimum temperature is 40°F. Thus, the mean temperature average in september in Gullfoss is 43°F. These temperatures are far removed from those records observed in Gullfoss in the month of september with a maximum record of 58°F in 2021 and a minimum record of 16°F in 2009. You can expect to have about 5 days with temperatures down below 32°F, or 17% of time.
Day length in Gullfoss in september is 13:03. Sunrise is at 06:43 and sets at 19:46.
Seasonal average climate and temperature of Gullfoss in september
Check below seasonal norms These statistics are set from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 43°F | ||||
| Highest temperature | 49°F | ||||
| Lowest temperature | 40°F | ||||
| Highest record temperature | 58°F (2021) | ||||
| Lowest record temperature | 16°F (2009) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 5 day(s) (17%) | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 34°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.8in | ||||
| Number of days with rainfall | 13 day(s) (45%) | ||||
| Record daily rainfall | 2.5in (2019) | ||||
| Snowfall | 56.6cm | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 7.9km | ||||
| Cloud cover | 66% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 9 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:43 | ||||
| Time of sunset | 19:46 | ||||
| Length of day | 13:03 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Gullfoss in september 2024:
49°F to 52°F
47°F to 49°F
47°F to 54°F
43°F to 45°F
49°F to 52°F
45°F to 49°F
47°F to 50°F
41°F to 47°F
32°F to 41°F
36°F to 41°F
32°F to 43°F
34°F to 47°F
34°F to 45°F
40°F to 45°F
38°F to 45°F
40°F to 49°F
45°F to 49°F
45°F to 52°F
34°F to 47°F
34°F to 49°F
40°F to 49°F
38°F to 52°F
34°F to 47°F
36°F to 45°F
34°F to 43°F
32°F to 41°F
34°F to 40°F
34°F to 40°F
40°F to 41°F
29°F to 41°F
Map: other cities in Iceland in september
Cities near Gullfoss:
| Geysir in september | very bad weather |
| Fludir (Secret Lagoon) in september | very bad weather |
| Thingvellir in september | bad weather |
| Kerlingarfjöll in september | very bad weather |
| Selfoss in september | bad weather |
| Hveragerdi in september | bad weather |
| Landmannalaugar in september | bad weather |
| Thorsmork in september | bad weather |
| Mosfellsbaer in september | bad weather |
| Gljufrabui in september | bad weather |
| Eyjafjallajökull in september | bad weather |
| Borgarnes in september | bad weather |
Click over cities on the map for information about the weather in september.
Gullfoss
perfect weather
good
tolerable
bad
very bad
Weather data for Gullfoss in september:
Weather data for Gullfoss for september are derived from an average of the weather forecast since 2009 in Gullfoss. There is a margin of error and these forecasts are to be considered as general information only. The weather in Gullfoss can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Gullfoss.