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September Weather in Lewisporte, Canada

Last updated: June 18, 2025

In September, the average temperature in Lewisporte, Canada is a mild 13°C (56°F). Expect a chilly minimum of 5°C (41°F) and a warm maximum of 24°C (75°F). This month also sees a precipitation amount of 134 mm (5.3 in) spread over approximately 15 days, resulting in an average humidity of 89%. Be prepared for a mix of weather!

September Temperature in Lewisporte

In September in Lewisporte, the average temperature is 13°C (56°F). Maximums can reach 24°C (75°F), while minimums can drop to as low as 5°C (41°F). This makes Lewisporte an ideal destination for travelers seeking mild weather and comfortable explorations during this time of year.

September Weather in Lewisporte: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lewisporte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lewisporte, September typically has an average temperature of 13°C (56°F), with highs reaching up to 24°C (75°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec252227344151616456463831
Data source: Temperature data for Lewisporte generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lewisporte

In Lewisporte in September, the total precipitation amount is 134 mm (5.3 in) spread over a period of 15 days.

September Precipitation Trends in Lewisporte

The chart displays monthly precipitation patterns in Lewisporte, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Lewisporte, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec921001201521151148696134142132140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lewisporte

In Lewisporte in September humidity is 89%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor travel feel heavy and uncomfortable.

September Average Humidity in Lewisporte

This chart illustrates the average monthly humidity levels in Lewisporte, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Lewisporte is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%90%90%90%87%79%88%90%89%89%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lewisporte

In Lewisporte in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Lewisporte, you can refer to this Hourly UV Index in Lewisporte.

Maximum UV Index Levels in Lewisporte for September

The chart shows the monthly maximum UV Index (UVI) for Lewisporte in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Lewisporte typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2346810886421
Data source: Lewisporte September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Lewisporte Compares to Other Months

Weather in Lewisporte varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lewisporte, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lewisporte, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)92 mm (3.6 inches)88%low
February Weather-5°C (23°F)99 mm (3.9 inches)90%moderate
March Weather-3°C (27°F)120 mm (4.7 inches)89%moderate
April Weather1°C (35°F)152 mm (6.0 inches)90%high
May Weather5°C (41°F)115 mm (4.5 inches)87%very high
June Weather11°C (52°F)114 mm (4.5 inches)79%very high
July Weather16°C (61°F)86 mm (3.4 inches)88%very high
August Weather18°C (64°F)96 mm (3.8 inches)90%very high
September Weather13°C (56°F)134 mm (5.3 inches)89%high
October Weather8°C (47°F)142 mm (5.6 inches)88%moderate
November Weather4°C (39°F)132 mm (5.2 inches)87%low
December Weather-1°C (31°F)140 mm (5.5 inches)88%low

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