ClimateForecastSeptemberOctober >>

Selfoss weather in September (South Iceland, Iceland)

How's the weather trend in Selfoss as September approaches? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

Typically, September in Selfoss includes moderate temperatures and heavy rainfall. The daytime often sees temperatures reaching 12°C, but nighttime brings a cool-down to 7°C.

Precipitation

Selfoss in September usually receives heavy rainfall, averaging around 177 mm for the month. Prepare for the heaviest rain of the year this month, which often comes in heavy showers. A poncho is a smart choice to stay dry. You can typically expect 18 days days of rain this month, based on climate records.

Average sunshine

Expect a moderate amount of sunlight, with approximately 121 hours. This means a pleasant mix of sun and clouds.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Selfoss. June and July generally stand out with the best circumstances. While January, February, March, April, May, September, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Selfoss climate page with graphs.

 

Selfoss, monthly averages in September

Min TemperatureMin Temperature 7°C  
Max TemperatureMax Temperature 12°C  
Chance of RainChance of Rain 59%  
PrecipitationPrecipitation 177 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 79% *  
SunshineSunshine 121 hours *  
Percentage SunshinePercentage Sunshine 30% *  
Data from: Reykjavík, Iceland (48 KM, 30 Miles).

Where to go in Iceland in September

Find out more about the weather in Iceland and which places have the best travel conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
5/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Selfoss.

Our site offers climate and forecast data for every country in the world. Are you going to Iceland? On this website you can find historical weather averages for many cities in Iceland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.