Last updated: August 27, 2025
In September, the average temperature in Klaebu, Norway is a brisk 10°C (51°F), with temperatures ranging from a cool 2°C (36°F) to a pleasant 21°C (71°F). Expect 132 mm (5.2 in) of precipitation over about 18 days, contributing to a remarkably high average humidity of 90%. Prepare for a refreshingly wet and mild month!
In September in Klaebu, the average temperature is 10°C (51°F), with maximums reaching 21°C (71°F) and minimums dropping as low as 2°C (36°F). It's a great time to visit Klaebu, as the mild weather allows for comfortable outdoor activities and exploration.
In Klaebu in September, the precipitation amount is 132 mm (5.2 in) over the course of 18 days.
In Klaebu in September, humidity is 90%. With an average temperature of 10°C (51°F), this humidity feels like you are wrapped in a damp blanket, making traveling quite uncomfortable and sticky, as the air hangs heavy around you, often leading to fatigue and a longing for cooler, drier conditions.
In Klaebu in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Klaebu, you can check the information here.
UV Risk Categories
Weather in Klaebu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Klaebu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 98 mm (3.8 inches) | 96% | low |
| February Weather | -2°C (28°F) | 78 mm (3.1 inches) | 94% | low |
| March Weather | 0°C (32°F) | 114 mm (4.5 inches) | 91% | moderate |
| April Weather | 3°C (38°F) | 103 mm (4.0 inches) | 86% | moderate |
| May Weather | 8°C (46°F) | 81 mm (3.2 inches) | 83% | moderate |
| June Weather | 13°C (56°F) | 106 mm (4.2 inches) | 81% | high |
| July Weather | 14°C (58°F) | 112 mm (4.4 inches) | 81% | high |
| August Weather | 13°C (56°F) | 143 mm (5.6 inches) | 88% | moderate |
| September Weather | 10°C (51°F) | 132 mm (5.2 inches) | 90% | moderate |
| October Weather | 6°C (42°F) | 136 mm (5.4 inches) | 93% | low |
| November Weather | 1°C (34°F) | 90 mm (3.5 inches) | 95% | low |
| December Weather | -1°C (30°F) | 114 mm (4.5 inches) | 97% | low |