September Weather in Lunenburg, Canada

Last updated: April 22, 2025

September in Lunenburg, Canada, presents a delightful transition into autumn, with temperatures ranging from a comfortable maximum of 26°C (79°F) to a cool minimum of 7°C (45°F) and an average of 16°C (62°F). Despite the inviting warmth, residents and visitors should prepare for 118 mm (4.7 in) of rainfall spread over 9 days, resulting in a moderately humid environment with an 83% humidity level. This month offers a unique blend of warmth and crispness, perfect for exploring the charming coastal town and its stunning surroundings.

September Temperature in Lunenburg

As September unfolds in Lunenburg, Canada, the transition from summer to fall becomes beautifully evident. Temperatures begin to dip, with nightly lows around 7°C (45°F), but the days still hold onto the warmth of summer, reaching a pleasant 26°C (79°F) during peak hours. Averaging 16°C (62°F), this month offers a delightful blend of warmth and cool breezes, perfect for outdoor exploration. The warmth of early September gradually gives way to cooler evenings, hinting at the approaching crispness of autumn. As the month progresses, Lunenburg’s charm shines through with the vibrant hues of fall foliage, inviting residents and visitors alike to savor the last whispers of warm days before winter's embrace.

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

The chart illustrates September temperature patterns in Lunenburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec282832404857646762534333
Data source: Temperature data for Lunenburg generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lunenburg

In September, Lunenburg experiences a moderate precipitation total of 118 mm (4.7 in) spread over 9 days. This amount reflects a slight increase from the drier summer months of July and August, which saw 104 mm and 97 mm respectively. Interestingly, September’s precipitation serves as a precursor to the wetter fall months, particularly October and November, which both show substantial upticks with averages of 137 mm and 166 mm. As summer transitions into fall, September acts as a bridge, hinting at the approaching seasonal changes that bring more consistent rainfall to the region.

September Precipitation Trends in Lunenburg

The chart displays monthly precipitation patterns in Lunenburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11413912215113112110497118137166149
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lunenburg

In September, Lunenburg experiences a slight dip in humidity, averaging at 83% after the summer months. This minor decline follows the peak of 86% in July and a close 85% in August, indicating a trend of progressively lower humidity as the year transitions into fall. Interestingly, the coastal charm of Lunenburg brings consistently high humidity levels throughout the year, with figures mostly hovering around the 82-85% range from January through June, and a brief summer surge. As autumn approaches, humidity levels stabilize at 83% in both September and October, setting the stage for the crisp, refreshing air that characterizes this picturesque town in the months to come.

September Average Humidity in Lunenburg

This chart illustrates the average monthly humidity levels in Lunenburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lunenburg

As summer fades into autumn, September in Lunenburg, Canada reveals a notable shift in UV Index levels. With a UV Index of 7, classified as high, residents and visitors alike are advised to take precautions against harmful sun exposure; burn time is 25 minutes. This decrease from the peak of very high UV levels in June, July, and August reflects the changing season, yet it's still vital to stay mindful of sun safety. As we head deeper into fall, the UV Index will continue to trend downward, but September retains a reminder of summer's lingering warmth. For more detailed insights, visit Lunenburg UV Index.

Maximum UV Index Levels in Lunenburg for September

The chart shows the monthly maximum UV Index (UVI) for Lunenburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Lunenburg 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 Lunenburg

As summer gracefully transitions to autumn, September in Lunenburg shines with an impressive 260 hours of sunlight, offering a warm embrace that lingers from the vibrant days of August. This month, while experiencing a slight dip from the peak summer hours of 319, still showcases a remarkable amount of sunshine, outshining the earlier months of the year like January and February, which struggle with only 111 and 170 hours respectively. The trend reflects a gradual decline in daylight as we approach the crispness of October, which captures just 218 hours. Overall, September serves as a stunning bridge between the vibrant energy of summer and the tranquil charm of the fall season.

Monthly Sunshine Duration in Lunenburg: September Highlighted

The September sunshine duration represents the total number of hours Lunenburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec111h170h240h231h278h293h310h319h260h218h150h140h
Data source: Lunenburg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lunenburg During September

September in Lunenburg, Canada, brings a refreshing shift in weather patterns, with a 43% chance of sunny days—one of the highest probabilities for the year. As summer transitions into autumn, the likelihood of sunshine notably increases from the more variable months of July and August, which hover around 27% and 32%, respectively. This upward trend in sunshine reflects a favorable climate for outdoor activities, making September an ideal time for exploring the charming coastal landscape. With the sun's rays breaking through more frequently, locals and visitors alike can enjoy the beauty of this picturesque town under clear skies.

Percentage of Sunny Days in September in Lunenburg

The chart illustrates the percentage of sunny days in Lunenburg 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 Lunenburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%26%49%33%37%40%27%32%43%42%36%32%
Data source: Lunenburg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lunenburg in September

As September rolls in, Lunenburg, Canada, experiences a gentle transition in daylight duration, with approximately 12 hours of daylight. Following the sun-soaked heights of summer, which boasted 15 hours in June and July, the days begin to shorten gradually. The steady decrease is reminiscent of the gradual fade from summer warmth to the crispness of autumn. This month serves as a bridge, as daylight wanes, transitioning into the more subdued hours of October, which offers only 10 hours. Overall, September encapsulates a blend of lingering summer light and the early whispers of fall, making it a time of both reflection and anticipation.

Average Daylight Hours in Lunenburg for September

The chart illustrates the variation in daylight duration in Lunenburg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 16m10h 27m11h 57m13h 29m14h 48m15h 27m15h 6m13h 56m12h 27m10h 55m9h 35m8h 53m
Data source: Lunenburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lunenburg

As September arrives in Lunenburg, Canada, the gentle breeze of early autumn ushers in a wind speed averaging 4.5 m/s (10 mph), providing a refreshing contrast to the calmer summer months. Following a gradual decline in wind speed from June's 4.4 m/s to July's lighter 3.9 m/s and August's 3.6 m/s, September marks a subtle resurgence in gusts, hinting at the season's transition. The wind begins to pick up again, aligning with the trends of October and November, which typically feature a revival to around 5.4 m/s (12 mph) by late fall. This seasonal dance of shifting breezes not only shapes the picturesque coastline but also enriches the vibrant maritime atmosphere of Lunenburg.

Average September Wind Speed in Lunenburg

The chart displays monthly wind speed patterns in Lunenburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.55.55.65.84.64.43.93.64.5 m/s4.55.45.6
Data source: Lunenburg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lunenburg Compares to Other Months

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

September and January present striking contrasts in weather conditions. In September, temperatures range from a mild 7°C (45°F) to a warm 26°C (79°F), with an average of 16°C (62°F). The month is characterized by higher humidity at 83% and significant rainfall, totaling 118 mm over 9 days. In stark contrast, January experiences much colder temperatures, with a minimum of -17°C (1°F) and a maximum of only 12°C (54°F), leading to an average of -2°C (29°F). Despite a similar number of rainy days, January's precipitation is slightly lower at 114 mm, accompanied by a humidity level of 82%. For a closer look at January conditions, check this link: Lunenburg weather in January.

September and February present stark contrasts in weather. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), with an average of 16°C (62°F). There are 9 days of precipitation, totaling 118 mm (4.7 in), accompanied by a relatively high humidity of 83%. In contrast, February is much colder, with temperatures dipping as low as -16°C (3°F) and averaging -2°C (28°F), peaking at 10°C (49°F). The month experiences slightly more precipitation at 139 mm (5.5 in) over 12 days, yet maintains the same high humidity level of 83%. For a closer look at February weather specifics, visit Lunenburg weather in February.

In comparing the weather between September and March, distinct contrasts emerge. September boasts milder temperatures, with a minimum of 7°C (45°F), an average of 16°C (62°F), and a maximum of 26°C (79°F), making it feel much warmer overall. However, it experiences about 118 mm (4.7 in) of precipitation over 9 days, with relatively high humidity at 83%. In contrast, March presents a much colder landscape, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 13°C (56°F), averaging around 0°C (32°F). This month sees slightly higher precipitation at 122 mm (4.8 in) over 12 days, and humidity remains quite similar at 82%. For more detailed information about March weather, you can visit Lunenburg weather in March.

September and April present contrasting weather patterns in Lunenburg. In September, temperatures range from a mild 7°C (45°F) at night to a warm 26°C (79°F) during the day, with an average of 16°C (62°F). The month typically sees 118 mm (4.7 in) of precipitation over about 9 days, accompanied by a high humidity of 83%. In contrast, April is significantly cooler, with temperatures dipping to a minimum of -4°C (25°F) and only reaching a maximum of 15°C (59°F), averaging around 4°C (40°F). This month tends to be wetter, with 151 mm (6.0 in) of rainfall spread over 13 days, maintaining a similar humidity level of 82%. For more detailed insights, check Lunenburg weather in April.

When comparing the weather in September and May, it’s clear that September offers a warmer average temperature, ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), while May has a cooler range with temperatures from -1°C (31°F) to a maximum of 23°C (73°F). Precipitation levels are somewhat comparable, with September receiving 118 mm (4.7 in) over 9 days and May experiencing slightly more rain at 131 mm (5.2 in) across 14 days. Humidity levels remain similar, with September at 83% and May slightly lower at 82%. For more insights on May weather specifically, you can check Lunenburg weather in May.

When comparing the weather in September and June, we see some interesting contrasts and similarities. In September, the temperatures range from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), with an average of 16°C (62°F). This month experiences slightly less precipitation than June, recording 118 mm (4.7 in) over about 9 days, while maintaining a high humidity level of 83%. In contrast, June has temperatures that range from a minimum of 3°C (38°F) to a maximum of 27°C (81°F), with an average of 14°C (57°F). It sees a slightly higher precipitation total of 121 mm (4.8 in) occurring over about 12 days and humdrum humidity at 84%. Thus, while both months have comparable amounts of rainfall and humidity, September generally offers warmer temperatures. For more details, you can check Lunenburg weather in June.

When comparing the weather in September and July, September tends to be cooler with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), averaging 16°C (62°F). In contrast, July offers a slightly warmer experience, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 27°C (81°F) and an average of 18°C (65°F). While both months see significant precipitation, September receives slightly more at 118 mm (4.7 in) over 9 days, compared to July's 104 mm (4.1 in) spread over 12 days. Humidity levels are relatively similar, with September at 83% and July at 86%. For more details on July weather, visit Lunenburg weather in July.

In comparing the weather of September to August, it is evident that September tends to be cooler, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), compared to August's more moderate range of 13°C (55°F) to 28°C (83°F). Furthermore, September experiences slightly higher precipitation at 118 mm (4.7 in) over 9 days, while August sees 97 mm (3.8 in) across 10 days. Humidity levels are notably similar, with September at 83% and August at 85%. For more detailed insights into August weather, you can visit Lunenburg weather in August.

September and October present contrasting weather patterns, with September enjoying warmer temperatures and longer days. In September, the temperatures range from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), with an average of 16°C (62°F). However, this month also sees considerable rainfall, with 118 mm (4.7 in) over approximately 9 days.

In contrast, October brings a noticeable drop in temperatures, with minimums around 2°C (35°F) and maximums reaching 21°C (70°F), resulting in a cooler average of 12°C (53°F). Rainfall slightly increases to 137 mm (5.4 in) over 12 days, while humidity remains constant at 83%. For more detailed insights, you can check out Lunenburg weather in October.

September and November present quite contrasting weather conditions. In September, temperatures range from a mild minimum of 7°C (45°F) to a pleasant maximum of 26°C (79°F), with an average of 16°C (62°F). The month experiences relatively high humidity at 83% and 118 mm (4.7 in) of precipitation over about 9 days. In stark contrast, November sees significantly colder weather, with minimum temperatures plunging to -10°C (15°F) and an average of just 6°C (43°F). The maximum temperature reaches 17°C (63°F), but the month is wetter, with 166 mm (6.5 in) of precipitation spread over 14 days. Additionally, humidity levels remain high at 85%. For more details on November weather specifically, you can check Lunenburg weather in November.

September and December present starkly contrasting weather conditions. In September, temperatures range from a mild 7°C (45°F) at night to a pleasant average of 16°C (62°F) during the day, with maximums reaching up to 26°C (79°F). The month sees a fair amount of rain, with 118 mm (4.7 in) of precipitation over approximately 9 days and relative humidity lingering at 83%. In contrast, December's chill sets in, with temperatures plummeting, featuring a minimum of -12°C (11°F) and an average of just 1°C (33°F). The maximum temperature in December is significantly lower at 14°C (57°F), coupled with increased precipitation of 149 mm (5.9 in) over about 13 days, while humidity remains consistent at 83%. For more details on December's weather patterns, check out Lunenburg weather in December.

Compare Lunenburg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lunenburg

As September unfolds in Lunenburg, the weather takes a notable turn from the warmer summer months, greeting residents and visitors with a refreshing breeze and cooler temperatures. With an average temperature hovering around a comfortable 16°C (62°F), this transitional month makes way for the crispness of autumn, featuring a mix of sunny days and the occasional rain, totaling about 118 mm over nine days. The humidity remains high at 83%, adding a certain chill to the air that contrasts sharply with the summer’s heat. Embrace the vibrant fall scenery while enjoying the more temperate weather — it's a perfect time to explore all that Lunenburg has to offer. For a deeper understanding of what to expect throughout the year, visit Lunenburg Climate.