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September Weather in Oromocto, Canada

Last updated: June 18, 2025

In September, the average temperature in Oromocto, Canada hovers around 15°C (60°F). However, the weather can be unpredictable, with minimum temperatures dropping to -1°C (30°F) and maximums soaring up to 33°C (91°F). Expect 90 mm (3.5 in) of precipitation spread over approximately 10 days, accompanied by a noticeable average humidity of 82%.

September Temperature in Oromocto

In September in Oromocto, the average temperature is 15°C (60°F), with maximums reaching 33°C (91°F) and minimums dipping as low as -1°C (30°F). This wide temperature range suggests that travelers should pack a variety of clothing to stay comfortable during their visit.

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

The chart illustrates September temperature patterns in Oromocto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oromocto, September typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec202129415262686759483625
Data source: Temperature data for Oromocto 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 Oromocto

In Oromocto in September, the precipitation amount is 90 mm (3.5 in) over the course of 10 days.

September Precipitation Trends in Oromocto

The chart displays monthly precipitation patterns in Oromocto, 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 Oromocto, September typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9893771071119592799097140112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oromocto

In Oromocto in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

September Average Humidity in Oromocto

This chart illustrates the average monthly humidity levels in Oromocto, 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 Oromocto is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%82%80%78%82%84%82%82%82%84%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oromocto

In Oromocto in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Oromocto.

Maximum UV Index Levels in Oromocto for September

The chart shows the monthly maximum UV Index (UVI) for Oromocto 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 Oromocto typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Oromocto 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 Oromocto Compares to Other Months

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

This table compares monthly weather conditions in Oromocto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)98 mm (3.8 inches)83%low
February Weather-6°C (22°F)93 mm (3.7 inches)84%moderate
March Weather-2°C (29°F)77 mm (3.0 inches)82%moderate
April Weather5°C (42°F)107 mm (4.2 inches)80%high
May Weather11°C (52°F)111 mm (4.4 inches)78%very high
June Weather17°C (62°F)95 mm (3.7 inches)82%very high
July Weather20°C (68°F)92 mm (3.6 inches)84%very high
August Weather20°C (68°F)79 mm (3.1 inches)82%very high
September Weather15°C (60°F)90 mm (3.5 inches)82%high
October Weather9°C (49°F)97 mm (3.8 inches)82%moderate
November Weather2°C (36°F)140 mm (5.5 inches)84%moderate
December Weather-4°C (26°F)112 mm (4.4 inches)82%low

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