Last updated: February 24, 2025
Captain Cook, United States, experiences a temperate September characterized by an average temperature of 23°C (73°F), with highs peaking at 27°C (81°F) and lows around 20°C (68°F). This month is notable for its high humidity levels at 82%, contributing to a distinctly moist atmosphere. Rainfall is frequent, with 318 mm (12.5 inches) recorded over 28 days, making it one of the wetter months. Visitors should be prepared for variable weather, as the combination of warmth and precipitation defines the charm of September in this picturesque locale.
As September rolls in at Captain Cook, the temperatures reflect a delightful transition towards autumn. With a minimum of 20°C (68°F) and a comfortable average of 23°C (73°F), this month maintains the warmth established in the summer, hinting at lingering sunshine. The maximum temperature peaks at an inviting 27°C (81°F), encouraging outdoor adventures before the cooler days ahead. This gradual shift is mirrored in the temperatures of the previous months, which consistently showcase mild conditions, making September a perfect time to enjoy the last days of warmth while preparing for the crispness of October. Overall, the climate remains pleasantly stable, offering a perfect balance of warmth and comfort.
September in Captain Cook brings a significant drop in rainfall compared to the summer months, recording 318 mm (12.5 in) of precipitation over 28 days. This decline marks a noticeable reduction from August's peak, reflecting a transition from the wetter season, which saw 508 mm (20.0 in) of rain. With rainfall tapering off, September's weather hints at the onset of drier conditions, although it still retains a robust amount of precipitation typical for this coastal region. As autumn approaches, residents can expect lush landscapes fueled by the substantial rain, even as days grow shorter and temperatures begin to cool.
In September, Captain Cook experiences a significant humidity level of 82%, which reflects a continuation of the summer's high moisture patterns. As the year progresses, a clear trend emerges: humidity levels rise from January's 79% to a peak in August at 84%, showcasing the region's increasing warmth and moisture. Following September, there's a slight dip leading into October, but overall, the autumn months maintain a generally humid atmosphere. This steady humidity trend illustrates Captain Cook's characteristic coastal climate, where the air remains rich with moisture even as summer wanes, providing a unique backdrop for the onset of fall.
As summer transitions into fall, September in Captain Cook sees a UV Index of 13, categorizing it as extreme and necessitating protective measures against sunburn within just 10 minutes of exposure. This slightly lower index compared to the peak summer months, which recorded a 14, still indicates significant solar intensity. It's noteworthy that throughout the year, the UV Index remains predominantly in the extreme category from February through October, reflecting a consistent need for vigilance against UV radiation during these months. As the climate remains warm, staying informed about the Captain Cook UV Index is essential for anyone enjoying outdoor activities.
UV Risk Categories
As summer gracefully transitions into fall, September shines brightly in Captain Cook, boasting an impressive 311 hours of sunshine. This month reflects a subtle decline from the sun-soaked peak of 338 hours in July, yet remains rich in daylight, providing ample opportunities for outdoor adventures and scenic explorations. With sunlight gradually tapering off from the intense summer months, September offers a perfect blend of warmth and comfortable weather, setting the stage for beautiful fall hues and tranquil moments in nature. The decrease in hours of sunshine foreshadows the cozy months ahead, as the community begins to prepare for the stunning array of colors that October brings.
In Captain Cook, the likelihood of sunny weather in September hovers around 32%, which reflects a continued trend of fluctuating sun chances throughout the year. While September's sunshine probability is slightly higher than the summer months, which dip to 25% in July and 27% in August, it remains lower than the peak sunny probabilities seen earlier in the year, particularly in February (49%). This suggests that while the summer heat does not guarantee clear skies, early fall offers a modest opportunity for sunny days before the autumn chill sets in. Thus, while visitors can enjoy some sunshine in September, it’s wise to prepare for the occasional overcast day.
As September rolls into Captain Cook, the daylight begins to shift, marking a transition from the long, bright days of summer to the shorter, crisp autumn days. With 12 hours of daylight, this month mirrors the daylight duration of both April and August, creating a balance before the hours gradually decrease into October. The trend of increasing daylight from January to June peaks in the summer months before plateauing, showcasing the region's gradual shift in seasons. This month signals not only a change in daylight but also a herald of the beautiful fall colors to come, as nature prepares for the arrival of shorter days ahead.
As September unfolds in Captain Cook, the average wind speed settles at 2.9 m/s (6 mph), mirroring the gentle breezes of May. The wind begins to soften after a peak in July, where it reached 3.4 m/s (8 mph). This marks a noticeable transition into autumn, where the variability of summer winds gives way to a more consistent flow, reminiscent of early spring conditions. With the gentle, cooling September winds, nature’s whispers signal the gradual shift toward the more tranquil and less blustery months ahead, setting the stage for a serene seasonal change.
The weather in Captain Cook 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 Captain Cook and find detailed weather information for every month.
In comparing the weather between September and January, September experiences warmer temperatures, with an average of 23°C (73°F), while January's average is slightly cooler at 20°C (69°F). September also sees higher precipitation levels, accumulating 318 mm (12.5 in) over 28 days, compared to January's 135 mm (5.3 in) over 20 days. Both months exhibit high humidity, though September's humidity at 82% is marginally higher than January's 79%. For more detailed information on January weather, you can visit Captain Cook weather in January.
September weather tends to be warmer and wetter compared to February. With average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 27°C (81°F), September provides a more tropical atmosphere, accompanied by significant rainfall of 318 mm (12.5 in) over 28 days and high humidity at 82%. In contrast, February experiences cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 24°C (76°F). The month brings less precipitation, totaling 158 mm (6.2 in) across 20 days, and slightly lower humidity levels at 79%. For more detailed insights on the weather in February, you can visit Captain Cook weather in February.
In September, the weather is generally warmer, with minimum temperatures around 20°C (68°F) and average highs reaching up to 27°C (81°F). However, this month also experiences significant rainfall, with an average precipitation of 318 mm (12.5 in) spread over 28 days, leading to higher humidity levels at 82%. In contrast, March offers a slightly cooler climate with minimum temperatures of 16°C (62°F) and maximums peaking at 24°C (76°F). While still experiencing a considerable amount of rain at 174 mm (6.8 in) over 27 days, the humidity is somewhat lower at 77%. For more detailed insights on March weather, you can check out Captain Cook weather in March.
When comparing the weather in September and April, September tends to be warmer and wetter. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 27°C (81°F), with an average of 23°C (73°F). In contrast, April's temperatures are slightly cooler with a minimum of 17°C (63°F) and a maximum of 24°C (76°F), averaging at 21°C (70°F). Additionally, September experiences significantly more precipitation, totaling 318 mm (12.5 in) over 28 days, compared to April's 206 mm (8.1 in) over 26 days. Both months have high humidity levels, with September at 82% and April at 80%. For more detailed information on weather conditions, you can check Captain Cook weather in April.
When comparing the weather in September and May, both months exhibit warm temperatures with September being slightly warmer. September boasts a minimum temperature of 20°C (68°F) and an average of 23°C (73°F), while May has a minimum of 18°C (64°F) and an average of 21°C (71°F). Precipitation levels are quite similar, with September receiving 318 mm (12.5 in) over 28 days, compared to May's 316 mm (12.4 in) across 29 days. Humidity is also comparable, with September slightly higher at 82% versus May's 80%. For more detailed weather information, check out Captain Cook weather in May.
When comparing the weather in September to that of June, both months exhibit similar temperature ranges and high humidity, making them somewhat comparable. In September, the temperatures range from a minimum of 20°C (68°F) to a maximum of 27°C (81°F), averaging around 23°C (73°F). In contrast, June has slightly cooler temperatures, with a minimum of 19°C (66°F), a maximum of 25°C (77°F), and an average of 22°C (72°F). Precipitation levels are notably high in both months, with September receiving 318 mm (12.5 in) over 28 days, while June sees slightly more, totaling 377 mm (14.8 in) across 29 days. For a more detailed look at the weather specifics, you can explore Captain Cook weather in June. Despite these differences, the humidity remains consistent at 82% for both months, contributing to a tropical feel throughout this period.
In comparing the weather of September and July, we note that both months exhibit similar average temperatures, with September ranging from a minimum of 20°C (68°F) to a maximum of 27°C (81°F), and July spanning from a minimum of 19°C (67°F) to a maximum of 26°C (79°F). However, September experiences significantly less precipitation, totaling 318 mm (12.5 in) over 28 days, compared to July's 514 mm (20.2 in) over 31 days. Despite the slight difference in humidity levels—82% in September versus 83% in July—July is notably wetter, making September a more favorable month for those looking to avoid prolonged rain. For a closer look at July weather specifics, you can visit Captain Cook weather in July.
In comparing the weather of September and August, we see that both months enjoy similar temperature ranges, with September featuring a minimum of 20°C (68°F), an average of 23°C (73°F), and a maximum of 27°C (81°F), while August has a slightly lower maximum of 26°C (80°F). However, September experiences significantly less rainfall, recording 318 mm (12.5 in) over 28 days compared to August's 508 mm (20.0 in) over 31 days. Additionally, humidity levels are slightly lower in September at 82%, compared to 84% in August, contributing to a more comfortable feel during the month. For more detailed information on the weather during August, visit Captain Cook weather in August.
In comparing the weather between September and October, both months exhibit similar average temperatures, with September having a slightly higher maximum temperature of 27°C (81°F) compared to October's 26°C (79°F). The minimum temperatures are fairly close as well, with September starting at 20°C (68°F) while October begins at 19°C (67°F). Precipitation levels show a minor decrease in October, with 302 mm (11.9 in) compared to 318 mm (12.5 in) in September, although both months experienced rainfall on 28 days. Additionally, humidity remains consistently high, with October displaying a marginal increase to 83% compared to September's 82%. For more detailed insights, you can check out Captain Cook weather in October.
September and November display notable differences in weather patterns. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 27°C (81°F), with an average of 23°C (73°F). The month is quite rainy, experiencing 318 mm (12.5 in) of precipitation over 28 days, contributing to a high humidity level of 82%. In contrast, November presents slightly cooler temperatures, with a minimum of 18°C (65°F), an average of 22°C (72°F), and a maximum of 25°C (78°F). Precipitation in November is significantly reduced to 183 mm (7.2 in) across 23 days, and humidity remains relatively high at 83%. For more detailed information, you can visit Captain Cook weather in November.
In September, the weather tends to be warmer, with average temperatures reaching 23°C (73°F) and maximums climbing up to 27°C (81°F). It also experiences considerable rainfall, totaling 318 mm (12.5 in) over 28 days, accompanied by a high humidity level of 82%. In contrast, December offers slightly cooler temperatures, with an average of 21°C (70°F) and a maximum of 26°C (79°F). Precipitation decreases to 198 mm (7.8 in) over 24 days, while humidity remains fairly consistent at 81%. This seasonal shift from September to December showcases a transition from higher temperatures and more rainfall to milder weather and reduced precipitation. For more details, you can check Captain Cook weather in December.
As September unfolds in Captain Cook, visitors can expect a mild and humid tropical experience that sets it apart from the other months of the year. With temperatures generally hovering in the low to mid-20s °C and an average maximum of 27°C, it creates a comfortable yet steamy environment. However, this month is significantly marked by its high precipitation levels, with nearly daily showers adding to the lush landscape. The humidity level also remains high, at around 82%, which enhances the tropical feel. For those curious about the broader climatic patterns of this enchanting locale, explore more at Captain Cook Climate.