Karlstad weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: June – August
What is the weather like in Karlstad in September?
In September, Karlstad is cool: daytime highs average 16 °C, and nights cool down to about 10 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 73 mm in total. All in all, September is a good month for a holiday in Karlstad.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 73 | 62 | 20 |
| Day | 20° | 16° | 10° |
| Night | 14° | 10° | 6° |
| Sun | 7 h | 6 h | 3 h |
| Rain days | 14 | 11 | 12 |
More details for September
- Daylight
- 12 h 58 min06:32 – 19:31
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 63 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Stockholm
How the score comes together
- Temperatureweight 50 %77 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 30 %51 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- A jumper for the evenings
- Rain jacket or umbrella
Karlstad in September: quick answers
Is Karlstad hot in September?
No. In September, Karlstad is cool: daytime highs average 16 °C and nights drop to about 10 °C.
Does it rain much in Karlstad in September?
Rain is frequent, with about 11 rainy days and 73 mm in total.
Karlstad month by month
The whole year in KarlstadAll destinations: SwedenWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences