September Weather in White Rock, Canada

Last updated: April 22, 2025

Experience the diverse September weather in White Rock, Canada, where temperatures can soar to a maximum of 33°C (91°F), offering warm afternoons under the sun. On average, the city enjoys a comfortable 16°C (61°F), with cooler nights dipping to a minimum of 7°C (45°F). However, prepare for moisture, as 149 mm (5.9 in) of rain may fall over 12 days throughout the month. The air holds a humidity level of 76%, creating a refreshing and crisp atmosphere, perfect for enjoying the scenic beauty of this coastal community.

September Temperature in White Rock

September in White Rock, Canada, marks a transition into the cooler months, with temperatures notably milder than the peak summer heat. The month typically sees minimum temperatures around 7°C (45°F), while the average climbs to a comfortable 16°C (61°F), culminating in highs that can still reach a warm 33°C (91°F). This blend of warmth andcoolness creates a unique climate where summer's warmth lingers just a bit longer, allowing for pleasant outdoor activities. As days gradually shorten and autumn approaches, the crisp mornings contrast with the lingering heat of the afternoons, making September a delightful time to experience the beauty of White Rock's natural surroundings.

September Weather in White Rock: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in White Rock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec403944505661656660514540
Data source: Temperature data for White Rock 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 White Rock

September in White Rock marks a notable shift in precipitation patterns as the lingering summer dryness gives way to more substantial rainfall. With 149 mm (5.9 in) of precipitation recorded over 12 days, this month reflects a significant increase compared to the drier months of July and August, which saw only 28 mm and 23 mm respectively. As autumn sets in, September's rainfall serves as a precursor to the wetter months ahead, including October and November, both of which are characterized by higher precipitation totals. This gradual transition underscores the region's climatic rhythm, shifting from the warmth of summer to the cooler, wetter conditions of early fall, setting the stage for nature's rejuvenation in the months to follow.

September Precipitation Trends in White Rock

The chart displays monthly precipitation patterns in White Rock, 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.
JanFebMarAprMayJunJulAugSepOctNovDec22016515913573602823149198296238
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in White Rock

September in White Rock, Canada, marks a gradual decrease in humidity, with levels settling at 76%. This drop is part of a broader trend observed throughout the summer months, where humidity declined from a summer peak of 77% in August. Interestingly, September serves as a transition point, as the city heads into autumn, creating a notable shift from the typically high humidity levels seen earlier in the year, such as the consistent 86% experienced from January to April. This pattern indicates that as summer fades, residents can expect a more comfortable, albeit still humid, atmosphere as they prepare for the wetter autumn months ahead, which bring a significant rise back to 88% in October.

September Average Humidity in White Rock

This chart illustrates the average monthly humidity levels in White Rock, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in White Rock

As September rolls into White Rock, Canada, the UV Index stabilizes at a high level of 6, bringing a significant decrease in burn time to 25 minutes. This marks a transition from the intense sun exposure experienced in the summer months, where July and August soared to a very high index of 9 and 8, respectively. The moderate values of earlier months give way to a clear acknowledgment of autumn's approach, yet it's still important to stay sun-safe during outdoor activities. With one last taste of summer-like weather, early fall in White Rock encourages mindful sun protection as you enjoy the beautiful surroundings. For more details on the UV Index dynamics throughout the year, visit White Rock UV Index.

Maximum UV Index Levels in White Rock for September

The chart shows the monthly maximum UV Index (UVI) for White Rock 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.
JanFebMarAprMayJunJulAugSepOctNovDec234678986421
Data source: White Rock 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 White Rock

September in White Rock, Canada, offers a delightful transition into autumn, boasting 251 hours of sunshine that reflect the waning warmth of summer. This month showcases a significant drop from July's peak of 387 hours, yet it remains a bright and vibrant time to enjoy the scenic coastline. As the sunny days of summer gradually recede, September provides a perfect balance of warmth and cooler breezes, making it an ideal month for outdoor activities. With sunshine steadily decreasing as winter approaches, those in White Rock savor every last golden ray, truly embodying the beauty of the changing seasons.

Monthly Sunshine Duration in White Rock: September Highlighted

The September sunshine duration represents the total number of hours White Rock 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.
JanFebMarAprMayJunJulAugSepOctNovDec83h142h204h237h331h340h387h347h251h181h124h97h
Data source: White Rock September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in White Rock During September

September in White Rock, Canada, brings a 33% chance of sunny weather, marking a noticeable shift as summer wanes. While this figure is significantly lower than the peak sun exposure of 71% in July, it still offers a respectable amount of clear skies compared to the dreary winter months. Throughout the year, the trend shows a gradual climb in sunshine from the cold months until a late summer peak, followed by a downward trajectory as autumn approaches. September’s moderate sun likelihood can be a delightful invitation for outdoor enthusiasts looking to relish the lingering warmth before the chill of October sets in.

Percentage of Sunny Days in September in White Rock

The chart illustrates the percentage of sunny days in White Rock 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 White Rock experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%25%28%54%42%55%71%50%33%24%18%24%
Data source: White Rock September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in White Rock in September

As the summer sun begins to set, September in White Rock, Canada, marks a gentle transition with about 12 hours of daylight. After basking in a peak of 16 hours during June, the days gradually shorten, yet still maintain a warm glow that lingers into early autumn. This month strikes a balance between the summer's bright abundance and the approaching chill of October, when daylight dips to 10 hours. September serves as a beautiful farewell to longer days, inviting locals and visitors alike to enjoy the vibrant hues of fall while still relishing those precious hours of light.

Average Daylight Hours in White Rock for September

The chart illustrates the variation in daylight duration in White Rock throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 44m10h 10m11h 56m13h 45m15h 19m16h 7m15h 40m14h 16m12h 31m10h 43m9h 7m8h 17m
Data source: White Rock daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in White Rock

As summer wanes and September unfolds in White Rock, Canada, the average wind speed hovers at a gentle 2.4 m/s (5 mph). This slight uptick from the languid summer months heralds a transition, hinting at the invigorating breezes of autumn. Unlike the bustling winds of winter that blow in just months later, September's winds remain calm, creating a perfect backdrop for leisurely strolls along the waterfront. Throughout the year, wind speeds begin to climb gradually, peaking in December at 3.8 m/s (8 mph), but for now, the soothing currents of early autumn invite residents and visitors alike to enjoy the serene beauty of this coastal gem.

Average September Wind Speed in White Rock

The chart displays monthly wind speed patterns in White Rock, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.62.72.42.32.32.32.32.4 m/s3.13.53.8
Data source: White Rock September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in White Rock Compares to Other Months

The weather in White Rock 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 White Rock and find detailed weather information for every month.

September and January present contrasting weather conditions. In September, temperatures range from a mild 7°C (45°F) to a warm 33°C (91°F), with an average of 16°C (61°F). The month experiences about 149 mm (5.9 in) of precipitation over 12 days and maintains a humidity level of 76%. In stark contrast, January sees colder temperatures, with a minimum of -9°C (16°F) and a maximum of 13°C (56°F), averaging just 4°C (40°F). It is also wetter, with 220 mm (8.6 in) of precipitation spread over 16 days and higher humidity at 86%. For more specific details about the weather in January, you can check White Rock weather in January.

In comparing the weather in September and February, we observe significant differences in temperature and precipitation. September boasts a wide temperature range with a minimum of 7°C (45°F), an average of 16°C (61°F), and a maximum of 33°C (91°F), making it generally much warmer than February. Conversely, February experiences colder conditions, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 13°C (55°F) and an average of just 4°C (39°F).

While September has a precipitation total of 149 mm (5.9 in) over 12 days, February sees slightly higher precipitation at 165 mm (6.5 in) over 17 days, indicating more frequent wet weather during the colder month. Furthermore, February's humidity level of 85% is higher than September's 76%, contributing to a damp chill in the air. For those interested in the specifics of February weather, detailed information can be found at White Rock weather in February.

In comparing the weather of September and March, it's evident that both months present distinct climatic characteristics. September typically boasts a wider temperature range, with minimums around 7°C (45°F) and maximums reaching up to 33°C (91°F), making it generally warmer than March, which experiences a colder average temperature ranging from -4°C (25°F) to a maximum of 23°C (74°F). Additionally, while September has an average precipitation of 149 mm (5.9 in) over about 12 days, March sees slightly more rainfall at 159 mm (6.3 in) spread over 16 days. The humidity levels also differ, with September at 76% compared to March's 86%, contributing to a somewhat heavier and cooler feel during the latter month. For more detailed information on the conditions in March, you can visit White Rock weather in March.

When comparing the weather in September and April, there's a noticeable contrast in temperatures and humidity levels. September boasts a broader temperature range, with minimums around 7°C (45°F) and maximums reaching up to 33°C (91°F), resulting in an average temperature of 16°C (61°F). Conversely, April experiences cooler temperatures, where minimums can dip to 0°C (32°F) and maximums peak at 25°C (78°F), leading to a lower average of 10°C (50°F). Precipitation is similar in both months, with September receiving 149 mm (5.9 in) over 12 days and April with 135 mm (5.3 in) across 15 days. Notably, April has higher humidity levels at 86%, compared to September’s 76%. For more detailed information on April’s weather, you can visit White Rock weather in April.

When comparing the weather in September and May, we observe notable differences. September features a wider temperature range, with minimums of 7°C (45°F) and maximums reaching up to 33°C (91°F), while May is slightly cooler, with temperatures ranging from 4°C (40°F) to 28°C (82°F). Additionally, September experiences more precipitation, totaling 149 mm (5.9 in) over 12 days compared to May's 73 mm (2.9 in) across 10 days. Notably, humidity levels are relatively high in both months, with September at 76% and May slightly higher at 81%. For a detailed look at May weather, you can visit White Rock weather in May.

In comparing the weather of September and June, both months showcase a range of temperatures but with notable differences. September experiences a minimum temperature of 7°C, an average of 16°C, and peaks at 33°C, while June has a slightly higher maximum of 41°C despite having a similar minimum temperature of 7°C. Precipitation levels are also significant; September sees 149 mm over 12 days, making it considerably wetter than June, which has only 60 mm of rain spread across 9 days. Additionally, June tends to have a higher humidity level at 83% compared to September’s 76%. For more details on June weather specifically, check out White Rock weather in June.

When comparing the weather in September and July, notable differences emerge despite both months experiencing similar maximum temperatures of 33°C (91°F). September generally has lower minimum temperatures, averaging 7°C (45°F) compared to July's 10°C (51°F), which contributes to its overall cooler feel. Furthermore, September is marked by higher precipitation, receiving 149 mm (5.9 in) over 12 days, while July is quite dry, with only 28 mm (1.1 in) across 5 days. Humidity levels are also slightly lower in September at 76%, while July has a higher humidity of 84%. For a more detailed insight into July's weather, you can refer to White Rock weather in July.

In comparing the weather of September to that of August, we see a noticeable shift in temperature and precipitation patterns. September boasts a wider range of temperatures, with minimums dropping to 7°C (45°F) and maximums reaching up to 33°C (91°F), while the average temperature decreases to 16°C (61°F). In contrast, August experienced warmer conditions, featuring minimums of 9°C (48°F), averages of 19°C (66°F), and maximums peaking at 36°C (98°F). Additionally, September is significantly wetter, with 149 mm (5.9 in) of precipitation over 12 days, compared to just 23 mm (0.9 in) over 4 days in August. The humidity levels remain similar, with September at 76% and August at 77%. For more detailed information, you can check out White Rock weather in August.

September and October present contrasting weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 33°C (91°F), with an average of 16°C (61°F) and moderate precipitation of 149 mm (5.9 in) over 12 days. The humidity is relatively lower at 76%, making the warmer days feel more comfortable. In contrast, October sees a significant drop in temperatures, with a minimum of 0°C (32°F) and an average of 10°C (51°F), peaking at 21°C (71°F). The month experiences higher precipitation, totaling 198 mm (7.8 in) over 16 days, and increased humidity levels at 88%. This shift marks October as a cooler and wetter month, preparing for the approaching winter. For more details, you can check White Rock weather in October.

In September, the weather is warm with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 33°C (91°F), and an average of 16°C (61°F). The humidity is moderate at 76%, with 12 days of precipitation totaling 149 mm (5.9 in). In contrast, November brings a significant drop in temperatures, with a minimum of -2°C (28°F) and a maximum of 17°C (62°F), averaging at 7°C (45°F). The month is also considerably wetter, with precipitation reaching 296 mm (11.7 in) over 19 days, accompanied by increased humidity at 87%. For a closer look at November weather, visit White Rock weather in November.

September and December present a stark contrast in weather. September sees a temperature range from a mild 7°C (45°F) to a warm 33°C (91°F), with an average of 16°C (61°F). It experiences significant precipitation of 149 mm (5.9 in) over about 12 days, coupled with a humidity level of 76%. In contrast, December is much colder, with temperatures dipping from a low of -13°C (9°F) to a high of just 13°C (55°F), averaging around 4°C (40°F). This month receives even more precipitation, totaling 238 mm (9.4 in) over 19 days, and humidity rises to 87%. For more detailed information, you can check White Rock weather in December.

Compare White Rock's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in White Rock

As summer transitions into autumn, September in White Rock is marked by a notable shift in weather patterns. The average temperature begins to cool, offering a refreshing respite from the peak summer heat while still allowing for occasional warm days that can reach up to 33°C (91°F). This month experiences a significant amount of rain, with 149 mm falling over 12 days, making it one of the wetter months. Humidity levels linger at around 76%, contributing to a moister atmosphere. Such conditions set September apart from the drier, hotter summer months, hinting at the approaching autumn. For a deeper insight into what you can expect throughout the year, visit White Rock Climate.