Geysir in september: average Weather, Temperature and Climate
Weather in Geysir in september 2025
The weather in Geysir in the month of september comes from statistical datas on the last years. You can view the weather statistics for the whole 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 Geysir in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Geysir in september.
The climate of Geysir in september is very bad
the weather in Geysir in september is wet (with 9.8in of rainfall over 13 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 5.7in of rainfall over 9 days.
The climate is quite more than very fresh in this city this month. Plan to cover you well! The thermometer averaged maximum of 49°F. On average, the recorded minimum temperature is 40°F. Thus, the mean temperature average in september in Geysir is 43°F. Note that seasonal normals in contrast with those observed in Geysir in 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 below 32°F, or 17% of time.
On this month of september, day length in Geysir is generally 13:03. Sunrise is at 06:44 and sunset is at 19:47.
Seasonal average climate and temperature of Geysir in september
Check below seasonal norms These statistics are generated from the weather statements earlier 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 | 06:44 | ||||
| Time of sunset | 19:47 | ||||
| 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 Geysir 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 Geysir:
| Gullfoss in september | very bad weather |
| Fludir (Secret Lagoon) in september | very bad weather |
| Thingvellir in september | bad weather |
| Selfoss in september | bad weather |
| Hveragerdi in september | bad weather |
| Kerlingarfjöll in september | very bad weather |
| Mosfellsbaer in september | bad weather |
| Landmannalaugar in september | bad weather |
| Gljufrabui in september | bad weather |
| Thorsmork in september | bad weather |
| Kopavogur in september | bad weather |
| Reykjavík in september | bad weather |
Click over cities on the map for information about the weather in september.
Geysir
perfect weather
good
tolerable
bad
very bad
Weather data for Geysir in september:
Weather data for Geysir for september are derived from an average of the weather forecast since 2009 in Geysir. There is a margin of error and these forecasts are to be considered as general information only. The weather in Geysir 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 Geysir.