September Weather in Uddevalla

Last updated: March 2, 2024

The weather in Uddevalla, Sweden, during September is characterized by an average temperature of 13°C (55°F). Highs can soar to 21°C (71°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Uddevalla throughout September hovers around 86%.

4°C (39°F)

Minimum temperature

13°C (55°F)

Average temperature

21°C (71°F)

Maximum temperature

86%

Humidity

Precipitation and Sunshine hours

In September, Uddevalla averages 101 mm (4.0 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 12 hours 44 minutes of daylight, with the sun shining for approximately 10 hours 12 minutes each day. Additionally, there is a 27% probability of sunny days during this period.

101 mm (4.0 inches)

Precipitation

14 rainy days

Rainy days

10 hours 12 minutes

Sunshine hours

27%

Chance of sun

UV Index

In September, the UV Index in Uddevalla reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	1	2	2	3	4	4	4	3	3	2	1	1
Exposure	Low				Moderate						Low
Time to burn	45 min				30 min						45 min