September Weather in Saint Joseph

Last updated: March 2, 2024

The weather in Saint Joseph, Dominica, during September is characterized by an average temperature of 27°C (82°F). Highs can soar to 29°C (84°F), while lows may dip to 25°C (78°F). Typically, the humidity level in Saint Joseph throughout September hovers around 80%.

25°C (78°F)

Minimum temperature

27°C (82°F)

Average temperature

29°C (84°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In September, Saint Joseph averages 118 mm (4.6 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 12 hours 11 minutes of daylight, with the sun shining for approximately 10 hours 35 minutes each day. Additionally, there is a 59% probability of sunny days during this period.

118 mm (4.6 inches)

Precipitation

17 rainy days

Rainy days

10 hours 35 minutes

Sunshine hours

59%

Chance of sun

UV Index

In September, the UV Index in Saint Joseph reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 3 6 10 12 13 12 9 6 3 1 1 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Saint Joseph's Climate with Cities Worldwide