September Weather in Gaspe, Canada

Last updated: April 22, 2025

In Gaspé, Canada, September showcases a diverse range of weather, with temperatures fluctuating from a pleasant maximum of 27°C (81°F) to a chilly minimum of 0°C (32°F). The average temperature hovers around 12°C (55°F), providing a crisp backdrop for the changing season. This month records a noteworthy 114 mm (4.5 in) of precipitation over 11 days, contributing to the region's lush landscapes. With humidity levels reaching 83%, the air carries an invigorating freshness, making September a unique time to experience Gaspé's natural beauty.

September Temperature in Gaspe

In September, Gaspé, Canada, experiences a delightful transition as summer begins to fade. The temperatures range from a chilly 0°C (32°F) at night to a warm 27°C (81°F) during the day, with an average of 12°C (55°F). This month's moderate climate is a welcome change, marking a significant shift from the harsh winter and even cooler spring months. As visitors enjoy the crisp air and lingering warmth, the vibrant fall foliage begins to emerge, creating a picturesque backdrop for outdoor adventures. Overall, September serves as a beautiful bridge between summer's warmth and the briskness of autumn, inviting exploration and appreciation of Gaspé’s natural beauty.

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

The chart illustrates September temperature patterns in Gaspe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec141423344657646454443222
Data source: Temperature data for Gaspe 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 Gaspe

September in Gaspé, Canada, marks a notable shift in precipitation patterns, with an average of 114 mm (4.5 in) of rainfall spread across 11 days. This increase from the drier summer months reveals a significant seasonal transition as the region prepares for the cooler fall. While August typically sees lower precipitation levels at 73 mm (2.9 in), September's uptick reflects nature's readiness for change. Interestingly, this month precedes even heavier precipitation in November, which averages 136 mm (5.3 in), hinting at a trend of increased rainfall as autumn deepens. The consistent number of rainy days in September also mirrors the wetter averages that follow, showcasing the rhythmic ebb and flow of Gaspé’s climate.

September Precipitation Trends in Gaspe

The chart displays monthly precipitation patterns in Gaspe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9482931038784827311498136108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gaspe

As autumn approaches in Gaspé, Canada, September brings a notable shift in humidity levels, dropping to 83%—a slight decrease from August's 85%. This month signifies a transition from the summer's sultry air, where July and August tend to hover around the mid-80s in humidity. In the broader context, September's levels reflect a gentle downward trend as the year progresses: starting from a humid peak of 93% in January, the year gradually cools and dries out, reaching its lowest point in June with 77%. The return of higher humidity in October at 84% hints at the creeping winter chill, but for now, September offers a refreshing respite, blending the warmth of summer with the crispness of fall.

September Average Humidity in Gaspe

This chart illustrates the average monthly humidity levels in Gaspe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%91%88%83%77%84%85%83%84%84%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gaspe

As summer gives way to autumn in Gaspé, Canada, the UV Index shows a notable decline from its peak during the height of the season. In September, the UV Index stands at 6, categorized as high, which allows for a burn time of 25 minutes. This marks a slight drop from the very high levels observed in August and July, yet still emphasizes the importance of sun protection, particularly during midday hours. As the days shorten and temperatures cool, vigilance against UV exposure remains crucial, reminding us that the sun's rays can still be potent even as we transition into fall. For more detailed information on the UV Index throughout the year, visit Gaspe UV Index.

Maximum UV Index Levels in Gaspe for September

The chart shows the monthly maximum UV Index (UVI) for Gaspe 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789886421
Data source: Gaspe 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 Gaspe

September in Gaspé, Canada, heralds a beautiful transition as summer gently yields to autumn. With 251 hours of sunshine, the month shines brightly compared to the winter months, where sunlight dips to a mere 109 hours in January. This month showcases a notable decrease from the sun-drenched summer, yet it still outshines the earlier spring months, indicating a lingering warmth and charm. As the vibrant hues of fall begin to paint the landscape, September offers a perfect blend of golden sunlight and cooler breezes, creating an idyllic setting for outdoor exploration before the winter chill sets in. The gradual decline from the summer peak of 357 hours in July serves as a reminder of nature's cyclical beauty, inviting both locals and visitors alike to bask in the serene glow of Gaspé's September skies.

Monthly Sunshine Duration in Gaspe: September Highlighted

The September sunshine duration represents the total number of hours Gaspe 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.
JanFebMarAprMayJunJulAugSepOctNovDec109h185h233h235h310h336h357h343h251h210h154h136h
Data source: Gaspe September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gaspe During September

In Gaspé, Canada, September marks a transition to cooler weather, yet it still retains a healthy 38% chance of sunny days. This percentage reflects a notable trend of increasing sunshine as the summer wraps up, peaking in August at 47% before slightly tapering off. The sun's appearance is significantly more frequent compared to the long, grey months of winter, with chances nearly doubling from January's 21%. As autumn approaches, September presents a delightful mix of crisp breezes and potential sunny afternoons, making it an ideal time for outdoor activities amidst the stunning fall foliage.

Percentage of Sunny Days in September in Gaspe

The chart illustrates the percentage of sunny days in Gaspe 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 Gaspe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%31%33%23%39%37%36%47%38%39%37%30%
Data source: Gaspe September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gaspe in September

As summer gives way to fall in Gaspé, Canada, September witnesses a gentle decline in daylight, with the sun gracing the region for 12 hours each day. This shift marks a transition from the long, luminous days of June and July, which bask in an impressive 16 hours of light, to the shorter hours that characterize the autumn months ahead. The increasing darkness begins to envelop the region, following the peak of 15 hours in May, which reflects the natural rhythm of the seasons. With October bringing another drop to 10 hours, the gradual reduction of daylight in September serves as a reminder of the approaching winter, inviting residents to savor the last golden rays of summer before the days shorten further.

Average Daylight Hours in Gaspe for September

The chart illustrates the variation in daylight duration in Gaspe throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 45m10h 10m11h 56m13h 44m15h 17m16h 5m15h 39m14h 15m12h 31m10h 44m9h 8m8h 18m
Data source: Gaspe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Gaspe

As September rolls into Gaspe, Canada, the winds begin to pick up slightly, with an average speed of 3.8 m/s (8 mph), marking a refreshing shift from the more languid summer breezes. This increase in wind speed reflects a trend of gradual escalation as the year progresses, notably from the calm of August's 2.7 m/s. In contrast to the stillness of July, where winds dipped to 2.8 m/s, September heralds a gentle return to livelier conditions, preparing the landscape for the brisk autumnal changes ahead. Following September, wind speeds experience a downward trend again, settling at 2.6 m/s in October, indicating the transition into the quieter winter months, but the lingering energy of September's winds reminds us of the invigorating beauty of the fall season.

Average September Wind Speed in Gaspe

The chart displays monthly wind speed patterns in Gaspe, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.74.23.13.43.12.82.73.8 m/s2.63.74.4
Data source: Gaspe September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Gaspe Compares to Other Months

The weather in Gaspe 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 Gaspe and find detailed weather information for every month.

September and January present stark contrasts in weather. In September, temperatures range from a chilly 0°C (32°F) at night to a warm 27°C (81°F) during the day, averaging around 12°C (55°F). This month sees about 114 mm (4.5 in) of precipitation over 11 days, coupled with a humidity level of 83%. In contrast, January brings much harsher conditions, with temperatures plummeting to a minimum of -29°C (-19°F) and peaking at just 8°C (47°F), averaging a frigid -10°C (14°F). Although January experiences slightly less precipitation at 94 mm (3.7 in) over 10 days, the humidity is higher at 93%, contributing to the biting cold. For a detailed look at January conditions, visit Gaspe weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a minimum of 0°C (32°F) to a comfortable maximum of 27°C (81°F), with an average of 12°C (55°F). This month experiences relatively higher humidity at 83%, accompanied by 114 mm (4.5 in) of precipitation over 11 days. Conversely, February is characterized by much colder temperatures, with a minimum of -27°C (-17°F), averaging -10°C (15°F), and peaking at just 5°C (41°F). The month sees a bit less precipitation at 82 mm (3.2 in) over 10 days, but the humidity is slightly higher at 92%. For more detailed insights about the weather in February, check out Gaspe weather in February.

September and March present strikingly different weather patterns. In September, temperatures range from a chilly 0°C (32°F) to a warm 27°C (81°F), with an average of 12°C (55°F). The month receives a significant amount of precipitation, totaling 114 mm (4.5 in) across 11 days, and the humidity is quite high at 83%. In contrast, March experiences much colder temperatures, with lows plummeting to -21°C (-5°F) and an average of -5°C (23°F), peaking at just 16°C (60°F). Although March has slightly less precipitation at 93 mm (3.6 in) over 12 days, it maintains a higher humidity level of 91%. For more details on March weather, you can check Gaspe weather in March.

September and April present contrasting weather conditions. In September, temperatures generally range from a minimum of 0°C (32°F) to a maximum of 27°C (81°F), with an average of 12°C (55°F). This month sees around 114 mm (4.5 in) of precipitation over 11 days, and humidity levels hover at 83%. In stark contrast, April experiences much colder weather, with temperatures starting at a minimum of -14°C (8°F) and reaching a maximum of 15°C (59°F), averaging only 1°C (34°F). Precipitation is slightly lower at 103 mm (4.1 in) over 14 days, but humidity is marginally higher at 88%. These differences highlight the transition from the warmth of late summer to the chill of early spring. For a more detailed look at April weather, you can check Gaspe weather in April.

In comparing the weather between September and May, both months experience relatively mild temperatures and high humidity levels of 83%. September typically sees a broader temperature range, with minimums of 0°C (32°F), averaging around 12°C (55°F), and maxima reaching up to 27°C (81°F). In contrast, May starts with cooler minimums at -5°C (23°F) but can peak at 29°C (84°F), showcasing a notable potential for warmer days. Precipitation is slightly higher in September, with 114 mm (4.5 in) spread over 11 days, compared to May's 86 mm (3.4 in) over 12 days. For a detailed look at May's conditions, you can check Gaspe weather in May.

In comparing the weather between September and June, September tends to be milder with an average temperature of 12°C (55°F), peaking at 27°C (81°F), while June shows slightly warmer conditions with an average of 14°C (57°F) and a maximum of 32°C (89°F). Interestingly, June experiences a lower overall precipitation total of 84 mm (3.3 in) compared to September's 114 mm (4.5 in), despite having a slightly higher number of rainy days at 14 compared to September's 11. Additionally, September exhibits higher humidity levels at 83%, in contrast to June's 77%. For more detailed insights specific to June, you can visit Gaspe weather in June.

In comparing the weather between September and July, September presents cooler temperatures overall, with a minimum of 0°C (32°F) and an average temperature of 12°C (55°F), while July enjoys warmer conditions, featuring a minimum of 6°C (44°F) and an average of 18°C (64°F). The maximum temperatures also reflect this difference, with September peaking at 27°C (81°F) compared to July's maximum of 30°C (86°F). Additionally, September experiences more rainfall, with 114 mm (4.5 in) over 11 days, whereas July has less precipitation at 82 mm (3.2 in) over 12 days. Humidity levels are similar, with September at 83% and July slightly higher at 84%. For a more detailed look at July weather, you can visit Gaspe weather in July.

September's weather features a noticeable drop in temperature compared to August, with minimums reaching as low as 0°C (32°F) and an average of 12°C (55°F), whereas August maintains a milder minimum of 8°C (46°F) and an average of 18°C (64°F). Additionally, September experiences slightly more precipitation, totaling 114 mm (4.5 in) over 11 days, compared to August's 73 mm (2.9 in) across the same number of days. Humidity levels remain relatively similar, peaking at 83% in September and 85% in August. For more detailed insights, you can visit Gaspe weather in August.

September and October exhibit distinct shifts in weather patterns. September typically presents milder temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 27°C (81°F), with an average of 12°C (55°F). The month sees considerable rainfall, totaling 114 mm (4.5 in) over about 11 days, along with relatively high humidity at 83%.

In contrast, October experiences a drop in temperature, with a minimum of -5°C (22°F) and an average of 7°C (44°F), peaking at a more moderate 22°C (72°F). Although October's overall precipitation decreases to 98 mm (3.8 in) spread over 12 days, humidity remains slightly elevated at 84%. For a detailed forecast and more insights, you can check Gaspe weather in October.

In September, the weather is relatively mild, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 27°C (81°F), resulting in pleasant conditions for outdoor activities. However, as the month progresses into November, temperatures drop significantly, reaching a minimum of -17°C (2°F) and averaging around 0°C (32°F). November also sees an increase in precipitation, with 136 mm (5.3 in) noted over 13 days, compared to September's 114 mm (4.5 in) over 11 days. The humidity slightly rises in November to 84%, creating a brisk atmosphere. For more details on November weather, you can check out Gaspe weather in November.

In September, the weather is generally mild, with temperatures ranging from a minimum of 0°C (32°F) to a comfortable maximum of 27°C (81°F) and an average of 12°C (55°F). Precipitation is relatively high, totaling 114 mm (4.5 in) over 11 days, with humidity at a moderate 83%. In contrast, December brings a stark transformation, as temperatures plunge to a minimum of -22°C (-7°F), with an average of -6°C (22°F) and a maximum reaching only 11°C (53°F). Although the precipitation is slightly lower at 108 mm (4.3 in) over 12 days, the humidity increases to 89%, enhancing the winter chill. For a more detailed look at December weather, you can visit Gaspe weather in December.

Compare Gaspe's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Gaspe

As September unfolds in Gaspé, it offers a refreshing transition from the warmth of summer to the crisp embrace of autumn. The temperature range showcases a remarkable variety, with highs that can still reach the upper 20s°C, although the average cools significantly compared to the previous months. Coupled with an average humidity of 83%, the air can feel quite refreshing yet occasionally damp, especially with 11 days of precipitation. This blend of warmer days and cooler nights makes September a unique month in Gaspé's climate pattern, setting the stage for vibrant fall foliage. For more detailed insights into what to expect throughout the year, visit Gaspe Climate.