September Weather in St. Paul

Last updated: March 2, 2024

The weather in St. Paul, Canada, during September is characterized by an average temperature of 10°C (50°F). Highs can soar to 24°C (76°F), while lows may dip to -2°C (29°F). Typically, the humidity level in St. Paul throughout September hovers around 73%.

-2°C (29°F)

Minimum temperature

10°C (50°F)

Average temperature

24°C (76°F)

Maximum temperature

73%

Humidity

Precipitation and Sunshine hours

In September, St. Paul averages 40 mm (1.6 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 12 hours 36 minutes of daylight, with the sun shining for approximately 7 hours 40 minutes each day. Additionally, there is a 49% probability of sunny days during this period.

40 mm (1.6 inches)

Precipitation

7 rainy days

Rainy days

7 hours 40 minutes

Sunshine hours

49%

Chance of sun

UV Index

In September, the UV Index in St. Paul reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 3 4 5 6 6 5 3 2 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare St. Paul's Climate with Cities Worldwide