September Weather in Colima, Mexico

Last updated: April 22, 2025

September in Colima, Mexico offers a warm and humid experience, with average temperatures hovering around 24°C (76°F). The month typically sees maximum highs of 32°C (90°F), while nighttime lows can dip to a comfortable 19°C (67°F). Rainfall is prevalent, with an impressive 242 mm (9.5 in) accumulating over 26 days, leading to lush landscapes and vibrant flora. The humidity level averages a significant 83%, creating an atmosphere that is both tropical and inviting. Visitors can expect a mix of sun and showers, perfect for exploring the region's natural beauty.

September Temperature in Colima

As September arrives in Colima, Mexico, temperatures exhibit a pleasant consistency that marks the tail end of summer. With minimums around 19°C (67°F) and averages of 24°C (76°F), the warmth lingers in the air, yet the peak temperature is a comfortable 32°C (90°F), slightly cooler compared to the sizzling highs of August. This transition signals the onset of the fall season, with September's weather providing a delightful balance that encourages outdoor activities without the oppressive heat of earlier months. As days gradually shorten, the mild temperatures create an inviting atmosphere, making it a perfect time to explore Colima's scenic landscapes and vibrant culture.

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

The chart illustrates September temperature patterns in Colima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727275767878787776767472
Data source: Temperature data for Colima 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 Colima

In September, Colima, Mexico, experiences a remarkable uptick in precipitation, recording 242 mm (9.5 in) of rain over 26 days—a pattern that underscores the region's transition into its wettest months. This substantial rainfall follows August's peak of 344 mm (13.6 in), solidifying the late summer's reputation for intense downpours. As the region's rainy season progresses, September's precipitation continues to support rich biodiversity and replenish local water sources, highlighting the critical role these months play in Colima's ecological health. Overall, the steady increase in rainfall from June through September reflects a significant climatic trend that shapes the landscape and lifestyle in this vibrant part of Mexico.

September Precipitation Trends in Colima

The chart displays monthly precipitation patterns in Colima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10920132291563442421822910
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Colima

In September, Colima, Mexico, experiences a peak in humidity, maintaining a consistent level of 83%, mirroring the dampness of August. This high humidity is part of a noticeable trend during the summer months, where levels significantly rise, starting from June's 80% and reaching their zenith in September. Following this summer spike, humidity levels begin to gently decline in October, dropping to 80%. The year's pattern reflects how Colima transitions from the dry beginnings of the year—where January hovers around 70%—to the lush, humid atmosphere of late summer, indicative of its distinct tropical climate. This gradual shift not only enhances the region’s vibrant ecology but also plays a crucial role in local weather phenomena.

September Average Humidity in Colima

This chart illustrates the average monthly humidity levels in Colima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%59%60%67%80%81%83%83%80%77%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Colima

In September, Colima, Mexico experiences a significant surge in sun intensity, with a UV Index of 14, placing it firmly in the extreme exposure category. This marks an increase from the previous months, which remained consistently high at an index of 13. The burn time remains critically low at just 10 minutes, emphasizing the urgent need for sun protection during this time. As summer transitions into fall, it's evident that the region maintains its intense sun exposure, encouraging both locals and travelers to stay vigilant. For those looking to understand more about the sun's impact in this vibrant region, you can check out the detailed Colima UV Index.

Maximum UV Index Levels in Colima for September

The chart shows the monthly maximum UV Index (UVI) for Colima 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.
JanFebMarAprMayJunJulAugSepOctNovDec910131313141313141298
Data source: Colima 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 Colima

In September, Colima, Mexico, enjoys a delightful balance of sun and shade, with 242 hours of sunshine gracing its skies. As summer fades, the sun's embrace begins to mellow, yet the month still offers ample opportunity for outdoor adventures. Over the year, sunshine peaks in May with a vibrant 334 hours, while the lower point in January sees 236 hours. This trend highlights the region’s sunny disposition, particularly during the spring months, before gently tapering off in early fall. However, September’s radiant days are a reminder that the beauty of Colima doesn’t dim as summer wraps up; instead, it presents a perfect backdrop for exploring the stunning landscapes and rich culture of this picturesque locale.

Monthly Sunshine Duration in Colima: September Highlighted

The September sunshine duration represents the total number of hours Colima 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.
JanFebMarAprMayJunJulAugSepOctNovDec236h270h320h324h334h272h273h258h242h270h279h289h
Data source: Colima September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Colima During September

In Colima, Mexico, September marks a notable dip in the likelihood of sunny weather, with only a 16% chance of clear skies. This trend follows the summer months, where sunshine seems scarce, peaking at just 21% in July and 20% in August. As the rainy season unfolds, the sun takes a backseat, creating a significant contrast to the sunnier months earlier in the year, like March, which boasts an impressive 85% chance of sunshine. As September comes around, residents and visitors alike may need to prepare for overcast days and possible rain, signaling the transition towards more temperate and sunnier conditions that return later in the fall.

Percentage of Sunny Days in September in Colima

The chart illustrates the percentage of sunny days in Colima 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 Colima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%75%85%77%70%15%21%20%16%37%62%62%
Data source: Colima September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Colima in September

As September unfolds in Colima, Mexico, residents and visitors can enjoy approximately 12 hours of daylight, marking a transition towards shorter days as autumn approaches. This month continues a pattern established in the preceding months of summer, where lengthy days peaked at 13 hours from May to August. The gradual decline begins after this peak, yet September still offers ample sunlight for outdoor activities and exploration. As daylight hours wane into October, the changing season reminds us of the dynamic rhythm of nature, where each month brings a unique blend of brightness and shadow.

Average Daylight Hours in Colima for September

The chart illustrates the variation in daylight duration in Colima throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 2m12h 35m13h 2m13h 16m13h 8m12h 44m12h 12m11h 40m11h 12m10h 58m
Data source: Colima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Colima

As September arrives in Colima, Mexico, residents and visitors alike experience a subtle decline in the average wind speed, dipping to a gentle 1.1 m/s (2 mph). This marks a noticeable shift from the consistent breezy conditions of the earlier months, where wind speeds hovered around 1.7 m/s (4 mph) during the hotter summer period. The transition into fall brings a calmness, as wind speeds remain lower from May through August, before picking up slightly again in the following months. This dip in September's breezes hints at the regions' seasonal shifts, offering a tranquil backdrop that perfectly complements the vibrant sunsets and warm evenings characteristic of the Mexican coast.

Average September Wind Speed in Colima

The chart displays monthly wind speed patterns in Colima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.51.71.71.71.21.21.21.1 m/s1.21.51.5
Data source: Colima September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Colima Compares to Other Months

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

In September, the weather is characterized by a warm and humid atmosphere, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 32°C (90°F). This month sees significant rainfall, with 242 mm (9.5 in) of precipitation over 26 days, resulting in a humidity level of 83%. In contrast, January boasts milder temperatures, with a minimum of 9°C (48°F) and a maximum of 33°C (92°F), presenting a drier climate with only 10 mm (0.4 in) of precipitation over the course of the month. Additionally, January experiences less humidity at 70%, making for a much more comfortable experience overall. For more details, check Colima weather in January.

When comparing the weather in September and February, notable differences emerge. September experiences warmer temperatures with a minimum of 19°C (67°F) and an average of 24°C (76°F), peaking at 32°C (90°F). In contrast, February presents cooler weather, with a minimum of 11°C (52°F) and an average of 22°C (73°F), although it can reach up to 34°C (94°F) on warmer days. Precipitation in September is significant, totaling 242 mm (9.5 in) across 26 days, while February is much drier, with only 9 mm (0.4 in) falling over just 1 day. Additionally, September has higher humidity levels at 83%, compared to February's 65%. For more detailed insights, you can check Colima weather in February.

In comparing the weather between September and March, September tends to be characterized by higher humidity and significant rainfall, with an average temperature of 24°C (76°F) and over 240 mm of precipitation spread across 26 days. In contrast, March enjoys much drier conditions, with minimal rainfall of just 2 mm and average temperatures also around 24°C (75°F), albeit with maximum temperatures peaking at a sweltering 35°C (95°F). While September's atmosphere is heavy with an 83% humidity level, March boasts a more comfortable 59% humidity. For more specifics on March weather patterns, you can check out Colima weather in March.

When comparing the weather in September and April, a notable difference emerges in both temperature and precipitation levels. September experiences higher humidity at 83% and consistent rainfall, with an average precipitation of 242 mm (9.5 inches) over 26 days. In contrast, April boasts warmer maximum temperatures reaching up to 36°C (97°F) but enjoys a dry climate with no recorded rainfall and lower humidity at 60%. This makes April a more favorable time for outdoor activities, while September tends to bring more moisture and cooler averages. For a deeper insight into the conditions of April, you can visit Colima weather in April.

In comparing the weather between September and May, notable differences emerge. September typically experiences warmer temperatures with a minimum of 19°C (67°F) and a peak reaching up to 32°C (90°F), while May offers slightly lower minimums at 13°C (57°F) but can soar to a maximum of 35°C (96°F). Rainfall is significantly higher in September, accumulating 242 mm (9.5 in) over 26 days, compared to a mere 13 mm (0.5 in) over just 3 days in May. Additionally, humidity levels are elevated in September at 83%, contrasting with the more comfortable 67% in May. For more detailed information, check out Colima weather in May.

When comparing the weather in September and June, we can observe some notable differences. September typically has a minimum temperature of 19°C (67°F), an average of 24°C (76°F), and a maximum of 32°C (90°F), while June sees slightly warmer temperatures with a minimum of 18°C (65°F), an average of 26°C (78°F), and a maximum of 35°C (95°F). Precipitation levels in September are somewhat higher at 242 mm (9.5 in) over 26 days, compared to June's 229 mm (9.0 in) over 20 days. Humidity is also slightly higher in September at 83%, compared to 80% in June. For more detailed insights into June weather, check out Colima weather in June.

When comparing the weather in September and July, September typically experiences slightly cooler temperatures, with averages ranging from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), compared to July's minimum of 20°C (68°F) and maximum of 35°C (95°F). September also sees more precipitation, averaging 242 mm (9.5 inches) over 26 days, while July has less rainfall at 156 mm (6.1 inches) over 23 days. Humidity levels are relatively high in both months, with September averaging 83% and July at 81%. For more detailed insights, you can visit Colima weather in July.

In comparing the weather of September to August, we see that September experiences slightly cooler temperatures, with an average of 24°C (76°F) compared to August's 25°C (77°F). Both months have similar minimum temperatures of 19°C (67°F), but August tends to peak higher with a maximum of 33°C (92°F) compared to September's 32°C (90°F). Precipitation is notably reduced in September, totaling 242 mm (9.5 in) over 26 days, while August sees significantly more rain at 344 mm (13.6 in) over the same number of days. Despite the differences in rainfall, the humidity remains constant at 83% for both months. For a deeper dive into August weather specifics, check out Colima weather in August.

In comparing the weather between September and October, both months exhibit warm temperatures, but October tends to be slightly warmer overall. September's average temperature is 24°C (76°F) with highs reaching 32°C (90°F), while October sees an increase in the average to 25°C (76°F) and maximums climbing to 34°C (93°F). Precipitation also decreases in October, with 182 mm (7.2 in) over 19 days compared to September's 242 mm (9.5 in) over 26 days. Additionally, humidity levels show a slight decrease, from 83% in September to 80% in October. For more detailed information, you can check out Colima weather in October.

September and November present distinct weather patterns in terms of temperature, precipitation, and humidity. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F). However, this month is characterized by significant rainfall, accumulating 242 mm (9.5 in) over 26 days and maintaining a high humidity level of 83%. In contrast, November sees slightly cooler mornings with a minimum temperature of 14°C (57°F) but can peak at a warmer maximum of 34°C (93°F), keeping the average at 24°C (75°F). Rainfall drastically decreases to 29 mm (1.2 in) over just 6 days, and humidity levels drop to 77%. For more detailed insights, check out Colima weather in November.

September and December present contrasting weather patterns. In September, the temperatures range from a minimum of 19°C (67°F) to a maximum of 32°C (90°F), with an average temperature of 24°C (76°F). This month is characterized by high humidity at 83% and significant rainfall, receiving 242 mm (9.5 in) over 26 days. In stark contrast, December sees a drop in minimum temperature to 11°C (53°F), while the average remains slightly warmer at 22°C (72°F) and can peak at 33°C (92°F). Precipitation in December is minimal, with only 9 mm (0.4 in) recorded over just 2 days, and a lower humidity level of 76%. For more detailed information, you can check Colima weather in December.

Compare Colima's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Colima

September in Colima presents a unique blend of warmth and moisture, distinguished by its high humidity levels and significant rainfall. Unlike the drier months of the year, September greets residents and visitors with frequent showers, creating a lush and vibrant landscape. While daytime temperatures remain pleasantly warm, the persistent rain contributes to a cooler atmosphere in the evenings. This month is a pivotal time for those looking to experience the verdant beauty of Colima. For a deeper insight into how September fits into the overall climate patterns, visit Colima Climate.