Last updated: June 18, 2025
In Happy Valley-Goose Bay, Canada, the average temperature in September hovers around 11°C (51°F), with extremes ranging from a chilly -1°C (31°F) to a warm 27°C (81°F). Expect about 106 mm (4.2 in) of precipitation spread over 15 days, contributing to a notable average humidity of 87%. Prepare for a month that blends diverse weather conditions!
In September in Happy Valley-Goose Bay, the average temperature is 11°C (51°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as -1°C (31°F). This varied climate makes Happy Valley-Goose Bay a versatile destination, suitable for both warm weather activities and cozy, cool day explorations.
In Happy Valley-Goose Bay in September, the total precipitation amount is 106 mm (4.2 in) over the course of 15 days.
In Happy Valley-Goose Bay in September humidity is 87%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill wrapping around you, making outdoor excursions a bit uncomfortable as the air feels thick and heavy, urging you to seek shelter more often than not.
In Happy Valley-Goose Bay in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Happy Valley-Goose Bay.
UV Risk Categories
Weather in Happy Valley-Goose Bay varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Happy Valley-Goose Bay, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -15°C (5°F) | 74 mm (2.9 inches) | 93% | low |
| February Weather | -15°C (5°F) | 59 mm (2.3 inches) | 91% | low |
| March Weather | -8°C (17°F) | 90 mm (3.5 inches) | 88% | moderate |
| April Weather | -1°C (30°F) | 85 mm (3.4 inches) | 86% | high |
| May Weather | 5°C (41°F) | 108 mm (4.3 inches) | 85% | high |
| June Weather | 11°C (51°F) | 121 mm (4.8 inches) | 83% | very high |
| July Weather | 16°C (62°F) | 117 mm (4.6 inches) | 86% | high |
| August Weather | 16°C (61°F) | 135 mm (5.3 inches) | 87% | high |
| September Weather | 11°C (51°F) | 106 mm (4.2 inches) | 87% | moderate |
| October Weather | 5°C (41°F) | 98 mm (3.9 inches) | 89% | moderate |
| November Weather | -3°C (27°F) | 144 mm (5.7 inches) | 94% | low |
| December Weather | -9°C (16°F) | 117 mm (4.6 inches) | 98% | low |