September Weather in Bonaventure, Canada

Last updated: April 22, 2025

September in Bonaventure, Canada, showcases a diverse climate with temperatures ranging from a maximum of 24°C (76°F) to a minimum of 4°C (40°F), leading to an average of 14°C (58°F). This transitional month is marked by 85% humidity and a considerable precipitation total of 159 mm (6.2 in), spread over 12 days of rain. As the days begin to cool, the lush landscapes and vibrant fall colors come to life, inviting residents and visitors alike to experience the charm of early autumn in this picturesque coastal town.

September Temperature in Bonaventure

As September sweeps into Bonaventure, Canada, it marks the transition from the warmth of summer to the brisk embrace of autumn. With minimum temperatures averaging 4°C (40°F) and a pleasant maximum of 24°C (76°F), this month offers a delightful mix of warmth and coolness. The average temperature hovers around 14°C (58°F), allowing for comfortable outdoor activities amidst the beauty of changing leaves. As the days grow shorter and the nights become crisper, September serves as a gentle reminder that winter is on the horizon, inviting residents and visitors alike to savor the last moments of milder weather before the chill sets in.

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

The chart illustrates September temperature patterns in Bonaventure, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec141523334457656657473121
Data source: Temperature data for Bonaventure 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 Bonaventure

September in Bonaventure experiences a notable surge in precipitation, recording 159 mm (6.2 in) over 12 days. This increase marks a significant transition from the relatively drier months of summer, with August yielding only 76 mm (3.0 in). As autumn approaches, the region's rainfall begins to intensify, setting the stage for the wetter months ahead. The trend of rising precipitation continues into October, but September stands out for its abrupt leap, reflecting the seasonal shift and preparing the landscape for the vibrant fall foliage that follows. Overall, this spike not only enhances the beauty of the area but also contributes to the local ecosystem, ensuring a rich environment for both flora and fauna.

September Precipitation Trends in Bonaventure

The chart displays monthly precipitation patterns in Bonaventure, 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.
JanFebMarAprMayJunJulAugSepOctNovDec988894140107958276159139160135
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bonaventure

In September, Bonaventure, Canada, experiences a humidity level of 85%, marking a slight increase from the summer months. This transition reflects the gradual return to the higher humidity typical of the fall season, following the lowest point of 75% in June. As the year progresses, humidity levels begin to rise again, culminating in a return to the upper 80s by October. Interestingly, September maintains a balance, bridging the warm summer air with the crispness of autumn, ensuring that residents feel both the lingering warmth and the impending cool.

September Average Humidity in Bonaventure

This chart illustrates the average monthly humidity levels in Bonaventure, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%88%86%83%75%82%84%85%87%86%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bonaventure

As summer fades into early autumn, September in Bonaventure, Canada, sees a notable drop in the UV Index, falling to 6 with a high exposure category. This indicates a shift from the very high levels experienced in the peak summer months of June, July, and August, where the UV Index reached 9 and 8, respectively, calling for minimal sun exposure of just 15 minutes to avoid sunburn. In contrast, September allows for a more forgiving 25 minutes of sun exposure before burns become a concern. The overall trend reflects the gradual waning of summer's intensity, making it essential for residents and visitors to adjust their sun safety precautions accordingly. For more detailed insights, visit Bonaventure UV Index.

Maximum UV Index Levels in Bonaventure for September

The chart shows the monthly maximum UV Index (UVI) for Bonaventure 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.
JanFebMarAprMayJunJulAugSepOctNovDec234789886421
Data source: Bonaventure 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.

September Sunshine in Bonaventure

As summer gives way to autumn in Bonaventure, Canada, the sunshine begins to wane, yet September still boasts a remarkable 255 hours of sunlight. This month reflects a significant drop from the sun-drenched days of July and August, which enjoyed 352 and 343 hours respectively. However, September’s brightness surpasses the earlier months of the year, including the crisp days of October with just 206 hours. The gradual decline in hours introduces a transitioning ambiance, hinting at the cozy atmosphere of fall. Despite the decrease, September shines as a perfect blend of lingering warmth and the onset of autumn hues, inviting both reflection and exploration in this beautiful coastal region.

Monthly Sunshine Duration in Bonaventure: September Highlighted

The September sunshine duration represents the total number of hours Bonaventure experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec121h191h233h244h304h333h352h343h255h206h163h153h
Data source: Bonaventure September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bonaventure During September

In September, Bonaventure, Canada, experiences a 38% chance of sunny weather, a figure that reflects a slight dip from the sunnier days of August, which boasts a 47% likelihood. This trend hints at the transition from the warmth of summer into the cooler embrace of autumn. Notably, September's sunshine probability surpasses the months of both July and April, showcasing its potential for pleasant weather during this time. As the days become shorter, the vibrant hues of fall begin to emerge, yet the sun still graces the skies, offering a delightful balance of warmth and early autumn charm.

Percentage of Sunny Days in September in Bonaventure

The chart illustrates the percentage of sunny days in Bonaventure throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Bonaventure experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%42%45%26%43%40%34%47%38%33%42%39%
Data source: Bonaventure September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bonaventure in September

As September arrives in Bonaventure, Canada, residents experience a noticeable transition in daylight duration, with an average of 12 hours of sunlight. Following the peak of 15 hours in the summer months of June through August, daylight begins to wane as autumn approaches. This gradual decline reflects a broader seasonal trend; daylight increases steadily from the depths of winter's 8 hours in January to a summer zenith, before retreating again in the fall. The shift in September signals the start of cooler days and the vibrant colors of autumn, allowing locals to relish the last vestiges of summer sun before the days shorten further into October and beyond.

Average Daylight Hours in Bonaventure for September

The chart illustrates the variation in daylight duration in Bonaventure throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 51m10h 14m11h 56m13h 41m15h 12m15h 58m15h 32m14h 11m12h 30m10h 46m9h 13m8h 25m
Data source: Bonaventure daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bonaventure

As summer gracefully bows out, September in Bonaventure brings a refreshing average wind speed of 4.6 m/s (10 mph), marking a welcome increase from the more languid breezes of August. This uptick in wind speed hints at the impending changes of the fall season, standing in contrast to the gentle winds of the preceding months. The winds have fluctuated throughout the year, with January starting strong at 4.1 m/s before peaking in March and December at 5.5 m/s and 5.2 m/s, respectively. Notably, September's winds not only bridge the transition from summer to autumn but also reflect a general upward trend compared to the calmer midsummer months, inviting residents and visitors alike to savor the invigorating air and the vibrant beginning of fall.

Average September Wind Speed in Bonaventure

The chart displays monthly wind speed patterns in Bonaventure, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.85.54.24.03.83.73.34.6 m/s3.84.55.2
Data source: Bonaventure September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bonaventure Compares to Other Months

The weather in Bonaventure changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Bonaventure and find detailed weather information for every month.

In September, the weather is mild with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F). The month experiences significant precipitation, totaling 159 mm (6.2 in) over approximately 12 days, coupled with high humidity at 85%. In contrast, January brings significantly colder conditions, with average temperatures dropping to a minimum of -25°C (-14°F) and a maximum of 9°C (49°F). Despite having less precipitation at 98 mm (3.9 in) across 9 days, the humidity remains high at 89%. For more detailed insights on this winter month, check out Bonaventure weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures range from a minimum of 4°C (40°F) to a comfortable maximum of 24°C (76°F), creating an average of 14°C (58°F). This month experiences significant rainfall, with 159 mm (6.2 in) of precipitation spread over 12 days, coupled with a humidity level of 85%. In contrast, February brings frigid conditions with temperatures plummeting to a minimum of -22°C (-8°F) and an average of -9°C (15°F), peaking at only 6°C (43°F). Precipitation is lower at 88 mm (3.5 in) but persistent, occurring over 11 days, and humidity remains high at 90%. For more detailed insights into February's weather, check out Bonaventure weather in February.

In September, the weather is significantly milder, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F) and an average of 14°C (58°F). This month experiences higher precipitation, totaling 159 mm (6.2 in) over 12 days, accompanied by high humidity levels at 85%. In contrast, March is much colder, with temperatures dipping as low as -20°C (-4°F) and averaging -5°C (23°F), peaking at 12°C (53°F). Precipitation during March is less at 94 mm (3.7 in) over 10 days, but humidity remains high at 88%. For more details, you can check Bonaventure weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation patterns. In September, temperatures range from a chilly 4°C (40°F) at night to a comfortable 24°C (76°F) during the day, with an average of 14°C (58°F). Meanwhile, April experiences colder temperatures, with nighttime lows reaching -11°C (12°F) and daytime highs only reaching 13°C (56°F), averaging around 1°C (33°F). Although both months receive significant precipitation, September records 159 mm (6.2 in) over 12 days, while April has slightly less with 140 mm (5.5 in) over 14 days. Humidity levels are quite similar, hovering around 85% in September and slightly higher at 86% in April. For more detailed information, you can check out Bonaventure weather in April.

September and May exhibit contrasting weather patterns, reflecting the transition between seasons. In September, temperatures range from a chilly 4°C (40°F) at night to a pleasant max of 24°C (76°F), while May starts off cooler, with lows around -4°C (25°F) but can soar to a warm 29°C (84°F) during the day. September typically experiences higher humidity at 85%, compared to May's 83%, indicating a slightly more oppressive feel. Additionally, September has more precipitation with 159 mm (6.2 in) over about 12 days, while May sees less rain at 107 mm (4.2 in) across 11 days. For a detailed look at May weather conditions, you can refer to Bonaventure weather in May.

In comparing the weather of September and June, we see notable differences despite their similar average temperatures. September experiences a wider temperature range, with highs reaching 24°C (76°F) compared to June's peak of 30°C (85°F). Precipitation levels are also higher in September, totaling 159 mm (6.2 in) over 12 days, while June sees less rain at 95 mm (3.7 in) over 11 days. Additionally, September has a higher humidity level at 85%, making it feel more humid than June's 75%. For a more detailed look, you can visit Bonaventure weather in June.

In comparing the weather of September and July, notable differences are evident. September experiences a broader temperature range, with minimums dropping to 4°C (40°F) and maximums reaching up to 24°C (76°F), while July maintains warmer conditions with minimums at 10°C (50°F) and maximums peaking at 29°C (85°F). Precipitation also varies significantly; September has 159 mm (6.2 in) over 12 days, whereas July sees a lighter rainfall of 82 mm (3.2 in) across 10 days. Humidity levels are slightly higher in September at 85%, compared to July's 82%. For more details on July weather specifics, check the following link: Bonaventure weather in July.

September weather is noticeably cooler compared to August, with minimum temperatures dropping from 11°C (52°F) in August to just 4°C (40°F) in September. The average temperature also decreases, from 19°C (66°F) in August to 14°C (58°F) in September, while maximum temperatures reach a lower peak of 24°C (76°F) compared to August's 28°C (82°F). Additionally, September experiences significantly higher precipitation, totaling 159 mm (6.2 in) over 12 days, compared to August's 76 mm (3.0 in) over 10 days. Despite the change in weather, humidity remains relatively high in both months, with September at 85% and August just slightly lower at 84%. For a detailed look at August weather patterns, you can visit Bonaventure weather in August.

September weather is generally milder, with temperatures ranging from a minimum of 4°C to a maximum of 24°C and an average of 14°C. In contrast, October sees a notable drop, with temperatures dipping as low as -3°C and averaging just 8°C. While September experiences higher precipitation levels at 159 mm over 12 days, October closely follows with 139 mm spread over 13 days. Both months are characterized by high humidity, but October edges slightly higher at 87% compared to September's 85%. For a more detailed look at the conditions in October, you can check Bonaventure weather in October.

In September, the weather is generally mild, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), and an average of 14°C (58°F). This month experiences significant rainfall, totaling 159 mm (6.2 in) over 12 days, accompanied by high humidity levels of 85%. In stark contrast, November sees a much colder climate, with temperatures dropping to a minimum of -13°C (9°F) and averaging around 0°C (32°F), while the maximum reaches only 16°C (62°F). Precipitation remains similar at 160 mm (6.3 in) over the same number of days, but humidity increases slightly to 86%. For more details on November weather, check out Bonaventure weather in November.

In September, the weather is relatively mild, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F) and an average of 14°C (58°F). The month experiences significant rainfall, totaling 159 mm (6.2 in) over 12 days, and an average humidity of 85%. In contrast, December brings much colder conditions, with temperatures dipping to a minimum of -20°C (-3°F) and reaching a maximum of 11°C (52°F), resulting in an average of -6°C (21°F). Although precipitation is slightly lower at 135 mm (5.3 in) across 11 days, humidity remains high at 88%. For more detailed insights into the weather, you can check Bonaventure weather in December.

Compare Bonaventure's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bonaventure

As September rolls in, Bonaventure experiences a distinct transition from the warm summer days to cooler autumn vibes. This month showcases a noticeable drop in temperatures, with average highs settling around a mild 24°C (76°F) and lows dipping to 4°C (40°F). Rainfall becomes more frequent, with about 12 days of precipitation contributing to an overall dampness that raises humidity to a staggering 85%. Compared to the preceding months, September feels like a gentle reminder of the approaching fall, inviting both locals and visitors to embrace the changing scenery. For a deeper exploration of Bonaventure’s annual climate patterns, check out Bonaventure Climate.