September Weather in Princeville, United States

Last updated: February 24, 2025

In September, Princeville experiences a mild tropical climate with temperatures ranging from a comfortable 23°C (73°F) to a pleasant maximum of 28°C (83°F). The average temperature settles at 26°C (78°F), providing an ideal atmosphere for outdoor activities. However, this month witnesses considerable rainfall, with 43 mm (1.7 in) of precipitation spread over approximately 14 days, contributing to the lush scenery the region is known for. The humidity level remains high at 83%, lending a distinctly tropical feel to the air. Visitors can expect a blend of warmth and refreshing showers, making it a unique time to enjoy the natural beauty of Princeville.

September Temperature in Princeville

In September, temperatures in Princeville, United States, begin to reflect the transition from summer's peak to the subtle onset of fall. With minimums hovering around 23°C (73°F) and daily averages reaching 26°C (78°F), the month maintains a warm ambiance that's inviting for outdoor activities. The maximum temperatures cling to a balmy 28°C (83°F), mirroring the warmth of August before gracefully declining into October. This period also marks a slight increase in nighttime chill compared to the previous months, hinting at the seasonal change ahead. Overall, September offers a comfortable balance, making it an appealing time to experience Princeville’s lush surroundings while still enjoying the lingering warmth of summer.

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

The chart illustrates September temperature patterns in Princeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727171737476777878777573
Data source: Temperature data for Princeville 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 Princeville

September in Princeville sees a dip in precipitation, with only 43 mm (1.7 in) of rain falling over approximately 14 days. This slight decrease follows the trend of the late summer months, where rainfall tends to lessen, contrasting sharply with the heavier downpours earlier in the year, particularly March, which recorded 123 mm (4.8 in). As the month transitions into autumn, residents can expect a moderate shift in weather patterns, heralded by a gradual reduction in both precipitation volume and frequency. Overall, September's weather embodies a transitional phase, setting the stage for the wetter months ahead.

September Precipitation Trends in Princeville

The chart displays monthly precipitation patterns in Princeville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec46951236245685245438561104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Princeville

In September, humidity in Princeville starts to ease slightly from the peak summer levels, measuring at 83%. This month marks a subtle transition as it follows the high humidity of July and August, both holding steady at 84%. The trend reveals a gradual increase throughout the spring and summer months, peaking in the middle of the year, while the onset of fall begins to bring a gentle decline. Looking ahead, the humidity further drops to 81% in October, indicating a shift towards drier conditions as the year winds down. Overall, September encapsulates a moment of balance before the cooler months emerge, offering a refreshing relief from the summer's heat.

September Average Humidity in Princeville

This chart illustrates the average monthly humidity levels in Princeville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec77%78%79%81%83%84%84%84%83%81%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Princeville

September in Princeville, United States, continues the trend of extreme UV exposure, with a UV Index of 12 that demands caution. Following a summer of consistently high readings, which peaked at 13 in both July and August, the intensity slightly tapers off, yet burn time remains critical at just 10 minutes. As the season transitions to autumn, it's important for residents and visitors alike to stay vigilant against UV exposure, keeping in mind that even as the index drops, it’s still advisable to take protective measures during outdoor activities. For more detailed information, check out Princeville UV Index.

Maximum UV Index Levels in Princeville for September

The chart shows the monthly maximum UV Index (UVI) for Princeville 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.
JanFebMarAprMayJunJulAugSepOctNovDec710111113121313121087
Data source: Princeville 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 Princeville

In September, Princeville basks in 313 hours of sunshine, continuing the trend of warm, bright days that peaks during the summer months. Following the sun-drenched heights of July and August, which boast an impressive 351 and 337 hours respectively, September welcomes a gentle decline in sunlight as fall approaches. This slight reduction does not diminish the island's charm; instead, it ushers in crisp air and vibrant scenery, inviting both relaxation and adventure. As the sun begins to set earlier, outdoor enthusiasts can still revel in pleasant weather and breathtaking sunsets, making September a perfect time to explore the natural beauty of this stunning locale.

Monthly Sunshine Duration in Princeville: September Highlighted

The September sunshine duration represents the total number of hours Princeville 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h255h280h305h335h337h351h337h313h298h266h252h
Data source: Princeville September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Princeville During September

September in Princeville, United States, offers a promising chance for sunny weather, with a 57% likelihood of sunshine. This marks a continuation of the summer's upward trend, peaking in August with an impressive 64% chance before slightly declining into fall. The weather remains relatively cheerful as it transitions from the summer months, including May's 57% and June's 62%, suggesting that outdoor activities are still well within reach. As temperatures begin to cool in October, which boasts a 60% chance of sunny days, September provides a perfect blend of warmth and sun, allowing residents and visitors alike to relish the last days of summer before fall takes hold.

Percentage of Sunny Days in September in Princeville

The chart illustrates the percentage of sunny days in Princeville 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 Princeville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%51%47%53%57%63%48%64%57%60%59%35%
Data source: Princeville September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Princeville in September

As September rolls in, Princeville, United States, enjoys a pleasant return to 12 hours of daylight, maintaining the same amount as experienced in both April and August. This marks a subtle transitional phase, as the daylight gradually wanes from the summer peak of 13 hours observed from May through July. Following the warmth of summer, September's consistent daylight hints at the approach of autumn, allowing residents and visitors to savor the lingering daylight while anticipating shorter days ahead. The rhythm of the seasons is evident, with daylight duration subtly shifting as the year progresses, ushering in a transitional period marked by the crispness of fall.

Average Daylight Hours in Princeville for September

The chart illustrates the variation in daylight duration in Princeville throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 56m11h 24m12h 2m12h 40m13h 12m13h 27m13h 18m12h 50m12h 13m11h 35m11h 3m10h 47m
Data source: Princeville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Princeville

As September arrives in Princeville, the average wind speed settles at a refreshing 5.5 m/s (12 mph), maintaining the mild breezes characteristic of this transitional month. This figure is notably consistent with October’s wind speed, suggesting a period of stability before the winter months, where March and December show a rise again to 6.0 m/s (13 mph). Throughout the year, wind patterns reveal interesting fluctuations, with the summer peak occurring in July at 6.1 m/s (14 mph), while the late autumn months experience a gentle drop, hitting a low of 3.9 m/s (9 mph) in November. Overall, the September winds in Princeville embody a balance, promising pleasant conditions perfect for outdoor explorations as summer gradually gives way to fall.

Average September Wind Speed in Princeville

The chart displays monthly wind speed patterns in Princeville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.16.04.74.74.66.15.35.5 m/s5.53.96.0
Data source: Princeville September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Princeville Compares to Other Months

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

When comparing the weather in September and January, there are noticeable differences in temperature and humidity. September experiences warmer temperatures, with a minimum of 23°C (73°F) and an average of 26°C (78°F), while January's temperatures are slightly cooler, ranging from a minimum of 19°C (66°F) to an average of 22°C (72°F). In terms of precipitation, September sees about 43 mm (1.7 in) over 14 days, making it a relatively wetter month compared to January, which has 46 mm (1.8 in) but over only 9 days. Additionally, September's humidity is higher at 83%, compared to January's 77%. For more details, you can check Princeville weather in January.

September typically boasts warmer temperatures, with an average of 26°C (78°F) and a maximum of 28°C (83°F), while February is cooler, averaging 22°C (71°F) and peaking at 25°C (77°F). In terms of precipitation, February sees a significantly higher amount, with 95 mm (3.7 in) over 16 days, compared to September's 43 mm (1.7 in) over 14 days. Humidity levels are also slightly lower in February at 78%, compared to the higher 83% experienced in September. For a detailed look at February weather, you can visit Princeville weather in February.

September typically features warmer temperatures, with a minimum of 23°C (73°F) and an average of 26°C (78°F), peaking at 28°C (83°F). While it experiences lower precipitation levels at 43 mm (1.7 in) over 14 days, the humidity is relatively high at 83%. In contrast, March presents cooler conditions, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (77°F) and an average of 22°C (71°F). However, March is wetter, receiving 123 mm (4.8 in) of rainfall across 17 days, and the humidity is slightly lower at 79%. For more specific details, you can check the Princeville weather in March.

When comparing the weather in September and April, September tends to be slightly warmer with average temperatures reaching 26°C (78°F) and a maximum of 28°C (83°F), while April averages 23°C (73°F) with a maximum of 25°C (78°F). Precipitation is also noteworthy; September experiences about 43 mm (1.7 in) of rain over 14 days, whereas April sees more rain at 62 mm (2.5 in) over 16 days. Both months have high humidity levels, with September at 83% and April at 81%. For more details about April's weather, you can visit Princeville weather in April.

In comparing September and May weather, both months exhibit similar humidity levels at 83%, creating a consistently tropical feel. September tends to be slightly warmer, with average temperatures reaching 26°C (78°F) compared to May's average of 23°C (75°F). Both months see comparable precipitation levels, with September receiving 43 mm (1.7 in) over about 14 days, while May sees 45 mm (1.8 in) over a similar number of days. For a more detailed look at the weather in May, you can explore Princeville weather in May.

When comparing the weather in September and June, we notice similar temperature patterns, with September showing a slightly warmer average of 26°C (78°F) compared to June's 25°C (77°F). September also experiences slightly higher maximum temperatures, reaching up to 28°C (83°F), while June peaks at 27°C (81°F). However, June has more substantial rainfall with 68 mm (2.7 in) over 12 days compared to September's 43 mm (1.7 in) spread across 14 days. Additionally, humidity levels are comparable, with September at 83% and June at 84%. For a closer look at June's weather specifics, check out Princeville weather in June.

In September, temperatures are slightly warmer, with a minimum of 23°C (73°F) and an average of 26°C (78°F), compared to July, which has a minimum of 22°C (72°F) and an average of 25°C (78°F). Both months experience similar maximum temperatures, reaching around 28°C (82-83°F). However, September sees less precipitation overall, with 43 mm (1.7 in) falling over 14 days, while July has 52 mm (2.1 in) of rainfall over 20 days, indicating a slightly wetter environment during July. Humidity levels remain fairly consistent, with September at 83% and July at 84%. For more detailed insights into July's climate, you can check out Princeville weather in July.

In comparing the weather of September and August, we see that both months maintain similar temperature ranges, with minimums around 22-23°C (73-73°F) and maximums peaking at 28°C (83°F). The average temperature remains consistent at 26°C (78°F) for both months. However, September experiences a slight decrease in precipitation, with 43 mm (1.7 in) over 14 days, compared to August's 44 mm (1.8 in) over 15 days. Humidity levels also remain relatively stable, with September at 83% and August slightly higher at 84%. For more detailed information on August weather, you can visit Princeville weather in August.

In comparing the weather between September and October, we observe that both months maintain relatively warm temperatures, with September experiencing a minimum of 23°C (73°F) and an average of 26°C (78°F), while October has slightly lower averages, with a minimum of 22°C (71°F) and an average of 25°C (77°F). Notably, precipitation increases significantly in October, rising from 43 mm (1.7 in) over 14 days in September to 85 mm (3.3 in) across 17 days in October. Humidity remains fairly high in both months, with September at 83% and October slightly lower at 81%. For more detailed information on October weather, you can check out Princeville weather in October.

In September, the weather features a warm temperature range with a minimum of 23°C (73°F) and an average of 26°C (78°F), culminating in a maximum of 28°C (83°F). The month experiences moderate rainfall with a total of 43 mm (1.7 in) spread over 14 days, contributing to a relatively high humidity of 83%.

In contrast, November brings slightly cooler temperatures, with a minimum of 21°C (69°F) and an average of 24°C (75°F), peaking at 27°C (81°F). However, it sees increased precipitation, totaling 61 mm (2.4 in) over 18 days, while humidity decreases slightly to 79%. For a closer look at the weather specifics for November, you can visit Princeville weather in November.

When comparing the weather in September and December, we see a decline in overall temperatures. September enjoys warmer days with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F), while December's temperatures are cooler, peaking at 26°C (79°F). Additionally, September experiences lighter rainfall, averaging 43 mm (1.7 in) over 14 days, compared to December, which sees increased precipitation of 104 mm (4.1 in) over 17 days. Humidity also remains fairly high in both months, at 83% in September and slightly lower at 79% in December. For a more detailed look at December's weather, you can check Princeville weather in December.

Compare Princeville's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Princeville

As September rolls in, Princeville experiences a delightful blend of warmth and moisture, with average temperatures hovering around a pleasant 26°C (78°F). This month is notably humid, often leading to refreshing breezes that contrast with the tropical warmth. While precipitation is fairly common, with rain occurring on about half the days, it also creates a lush, vibrant landscape. Compared to other months, September stands out for its balance of mild temperatures and increased rainfall, setting the stage for lush scenery and beautiful sunsets. For a deeper dive into the area's weather patterns, visit Princeville Climate.