Weather in Lulea in September 2025
Average weather
Average temperature in Lulea in September
Going from a maximum of +68°F during the day to a minimum of +37°F during the night, the temperature in September averages around +59°F.
The average maximum temperature goes down 24% by the end of the month, compared with the beginning of the month, from +61°F to +54°F.
Is Lulea warm or cold in September?
Lulea is typically mild in September.
Maximum temperatures go down compared to the previous month from +63°F to +54°F. The minimum temperature also goes down from +52°F to +45°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Lulea:
Water temperature in Lulea in September
Water in Lulea in September is Cold. It varies from +48°F to +59°F, with an average of +53°F. This is almost similar to the air temperature, which averages +54°F.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Lulea in September?
Climate in Lulea in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +63°F | +54°F | +43°F | ||||
| Min. temperature | ||||||
| +37°F | +27°F | +9°F | ||||
| Max. temperature | ||||||
| +82°F | +72°F | +61°F | ||||
| Rainfall | ||||||
| 74 mm | 66 mm | 50 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +60°F | +53°F | +46°F | ||||
| Humidity | ||||||
| 77% | 80% | 84% | ||||
| Air pressure | ||||||
| 1010 HPa | 1009 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 6 | 5 | 5 | ||||
| Cloudy days | ||||||
| 9 | 10 | 10 | ||||
| Rainy days | ||||||
| 16 | 15 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 4 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +63°F in the day, the average maximum temperature lowers to +54°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 74 mm to 66 mm. Humidity rises from 77% to 80%. Winds are stronger in comparison to August, going up from 2 m/s to 3 m/s on average. The days becoming less sunny, going from 6 sunny days in August to 5 in September.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Lulea is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Lulea?
Climate Change Over the Years
The climate in Lulea in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+36°F) and the highest in 2020 (+46°F). The driest year was 2002 with only 158 mm of rainfall, and the wettest year was 2011 with 767 mm.
FAQ
Is September a good time to visit Lulea?
Can you sunbathe in Lulea in September?
Can you swim in Lulea in September?
Is Lulea rainy in September?
Is it sunny in Lulea in September?
Other cities in Sweden
Monthly weather in Lulea
Source of the data
For this page, we’ve looked at the typical weather in Lulea, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.