September Weather in Lincolnville, United States

Last updated: February 24, 2025

In September, Lincolnville experiences a delightful shift in weather, with maximum temperatures reaching 23°C (74°F) and an average of 16°C (61°F). The minimum thermometer readings dip to around 9°C (48°F), providing a refreshing backdrop for early autumn activities. With about 99 mm (3.9 in) of precipitation over just 8 days, the month strikes a balance between sunlit days and occasional showers. The air is often rich with a humidity level of 77%, adding a touch of warmth that complements the scenic beauty of Lincolnville's landscapes as summer gracefully transitions into fall.

September Temperature in Lincolnville

In September, Lincolnville experiences a gentle transition into autumn, with temperatures reflecting a comfortable shift from summer's warmth. The average temperature hovers around 16°C (61°F), showcasing a pleasant climate that invites outdoor activities. Nighttime lows, settling at 9°C (48°F), begin to hint at the cooler months ahead, while daytime highs reach up to 23°C (74°F), still warm enough to enjoy lingering sunshine. This month marks a significant climb from the chilly depths of winter, as the region continues to transition with a delightful balance between warmth and the crispness of fall, setting the stage for the beautiful seasonal changes to come.

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

The chart illustrates September temperature patterns in Lincolnville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec282932414957636561534233
Data source: Temperature data for Lincolnville 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 Lincolnville

In September, Lincolnville experiences a moderate precipitation total of 99 mm (3.9 in) over 8 rainy days, marking a gentle transition towards the wetter autumn months. This amount is slightly above the drier summer months of July and August, which saw 100 mm and 90 mm respectively, demonstrating a gradual uptick in rainfall as the season shifts. Notably, September's precipitation sets the stage for October, which is historically one of the wettest months with a significant jump to 169 mm (6.6 in). This trend suggests that while September brings a reprieve from the driest spells, it heralds the arrival of more robust fall rains, enriching the landscape and preparing it for the cooler months ahead.

September Precipitation Trends in Lincolnville

The chart displays monthly precipitation patterns in Lincolnville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11210889169114871009099169145160
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lincolnville

In September, Lincolnville experiences a modest uptick in humidity, averaging 77%. This marks a slight increase from the summer months, where humidity levels remained consistently low at 74% from June to August. As the region transitions into fall, it seems that the air becomes a bit more saturated, reminiscent of the higher humidity levels observed in spring months like March (85%) and April (81%). Overall, while September may still feel relatively dry compared to the winter peak in January and February (88%), it signals the beginning of a gradual increase as temperatures cool and the crispness of autumn sets in.

September Average Humidity in Lincolnville

This chart illustrates the average monthly humidity levels in Lincolnville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%85%81%76%74%74%74%77%82%85%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lincolnville

As September rolls in, Lincolnville experiences a notable transition in its UV Index, with a measurement of 7 categorized as high exposure. This is a slight decrease from the peak summer months, where the UV Index reached 10 in June and 9 in July and August. However, even with the dip, sun safety remains essential, requiring a burn time of just 25 minutes before protecting your skin becomes crucial. This reflects a consistent trend of high UV exposure during late summer and early fall, reminding residents and visitors alike to stay vigilant in their sun precautions. For more detailed information on UV levels throughout the year, check out Lincolnville UV Index.

Maximum UV Index Levels in Lincolnville for September

The chart shows the monthly maximum UV Index (UVI) for Lincolnville 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: Lincolnville 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 Lincolnville

As summer winds down and September graces Lincolnville with its presence, the vibrant warmth remains palpable, basking the area in a noteworthy 281 hours of sunshine. This is a slight decline from the sun-soaked days of August, which boasts an impressive 328 hours, yet still keeps the spirit of summer alive. The trend throughout the year reveals a strong peak in sunlight during the warmer months, with June and July each shining brightly for 319 hours. Comparatively, January struggles under clouds, offering a mere 145 hours. As autumn approaches, the days may shorten, but September's warmth and light create a seamless transition, allowing residents and visitors alike to savor the lingering summer days before the cooler fall months begin.

Monthly Sunshine Duration in Lincolnville: September Highlighted

The September sunshine duration represents the total number of hours Lincolnville 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.
JanFebMarAprMayJunJulAugSepOctNovDec145h187h256h237h285h319h319h328h281h211h180h172h
Data source: Lincolnville September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lincolnville During September

In Lincolnville, September brings a moderate opportunity for sunshine, with a 43% chance of clear skies. This month marks a subtle improvement from the summer's lower odds, particularly when compared to July's 28% and August's 31%. After a rather gloomy summer, the resurgence in sunny prospects signals the gradual shift towards autumn, where the likelihood of pleasant weather remains relatively stable through October at 42%. Furthermore, September's clearer forecasts are a delightful invitation for outdoor activities, making it an ideal time to embrace the changing seasons while soaking up the sun’s warmth before the cooler months set in.

Percentage of Sunny Days in September in Lincolnville

The chart illustrates the percentage of sunny days in Lincolnville 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 Lincolnville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%35%56%35%35%39%28%31%43%42%56%36%
Data source: Lincolnville September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lincolnville in September

As summer fades into autumn, September in Lincolnville offers a gentle transition with about 12 hours of daylight. This month marks a slight decrease from the sunny heights of July and June, where daylight peaked at 15 hours. Compared to the earlier months, daylight in September still holds its own, providing longer hours than in the preceding winter months, but a hint of change is in the air as daylight hours begin to wane. This trend sets the stage for the cozy, reflective vibe of autumn, as the days grow shorter in anticipation of the colder months ahead. Embrace this natural rhythm of light, as September weaves its way toward the shorter days of October.

Average Daylight Hours in Lincolnville for September

The chart illustrates the variation in daylight duration in Lincolnville 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 5m13h 55m12h 27m10h 55m9h 35m8h 53m
Data source: Lincolnville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lincolnville

As summer transitions into fall, September in Lincolnville marks a subtle uptick in wind speed, averaging around 4.9 m/s (11 mph). This shift reflects a gradual increase from the lighter breezes of August, which saw a notable dip to 3.7 m/s (8 mph). Historically, September winds are a prelude to the brisker gusts that characterize the coming months. The trajectory from the low summer winds indicates a refreshing change ahead, as the average wind speed begins to align with the stronger currents of early autumn. This month beautifully balances the lingering warmth of summer with the energetic whispers of fall, setting the perfect stage for outdoor activities amidst the changing foliage.

Average September Wind Speed in Lincolnville

The chart displays monthly wind speed patterns in Lincolnville, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.27.05.84.85.14.13.74.9 m/s5.46.26.6
Data source: Lincolnville September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lincolnville Compares to Other Months

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

When comparing the weather in September and January, the contrasts are stark. September typically experiences milder temperatures, with a minimum of 9°C (48°F), an average of 16°C (61°F), and a maximum of 23°C (74°F). The month sees about 99 mm (3.9 in) of precipitation spread over 8 days, with humidity levels around 77%. In sharp contrast, January is characterized by much colder conditions, featuring a minimum temperature of -18°C (0°F), an average of -2°C (28°F), and a maximum of 10°C (51°F). Precipitation is slightly higher at 112 mm (4.4 in) across 9 days, accompanied by higher humidity at 88%. For a closer look at the weather specifics, you can visit Lincolnville weather in January.

September and February present stark contrasts in weather patterns. In September, temperatures range from a minimum of 9°C (48°F) to a comfortable maximum of 23°C (74°F), with an average of 16°C (61°F). The month also experiences 99 mm (3.9 in) of precipitation over about 8 days and a humidity level of 77%. In contrast, February is much colder, characterized by temperatures ranging from a frigid -16°C (4°F) to a maximum of 10°C (50°F), with an average temperature of -2°C (29°F). This winter month sees slightly more precipitation at 108 mm (4.2 in) over 10 days, accompanied by higher humidity at 88%. For more details on February's climate, visit Lincolnville weather in February.

September and March present starkly contrasting weather patterns. In September, temperatures range from a mild 9°C (48°F) at night to a comfortable maximum of 23°C (74°F) during the day, accompanied by 99 mm (3.9 in) of precipitation over about 8 days. The humidity is relatively high at 77%, creating a warm and pleasant atmosphere.

In contrast, March is characterized by much colder temperatures, with a chilling minimum of -15°C (5°F), an average of just 0°C (33°F), and a peak of 10°C (50°F). Despite similar precipitation levels at 89 mm (3.5 in), March experiences this rain over 10 days, leading to a damp and potentially icy environment, with humidity reaching 85%. For a detailed look at the weather in March, you can visit Lincolnville weather in March.

In comparing the weather between September and April, it is clear that September tends to be milder and more pleasant. With average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F), September enjoys a more comfortable climate than April, which sees temperatures dipping as low as -3°C (26°F) and averaging only 5°C (41°F). Additionally, September experiences less precipitation, totaling 99 mm (3.9 in) over 8 days, compared to April's 169 mm (6.7 in) across 14 days. However, both months have relatively high humidity levels, with September at 77% and April slightly higher at 81%. For more specific insights into April's weather, you can check out Lincolnville weather in April.

In comparing the weather of September and May, September tends to be warmer, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F), while May has lower averages with temperatures starting at 2°C (36°F) and peaking at 19°C (66°F). Despite September's warmer temperatures, it experiences slightly less rainfall (99 mm over 8 days) compared to May, which sees 114 mm of precipitation over 12 days. Humidity levels are quite similar, with September at 77% and May at 76%. For a detailed look at May's conditions, you can check out Lincolnville weather in May.

When comparing the weather in September and June, September tends to be slightly warmer overall, with average temperatures reaching 16°C (61°F), while June has a lower average of 14°C (58°F). The maximum temperatures are comparable, with September peaking at 23°C (74°F) and June at 25°C (77°F). Both months experience notable precipitation, with September receiving 99 mm (3.9 in) over 8 days and June slightly less at 87 mm (3.4 in) over 9 days. Humidity levels are also quite similar, with September at 77% and June at 74%. For more detailed weather information, you can visit Lincolnville weather in June.

In comparing the weather of September and July, we find notable differences in temperature and precipitation patterns. September sees a minimum temperature of 9°C (48°F) and a maximum of 23°C (74°F), with an average of 16°C (61°F). In contrast, July starts warmer with a minimum of 12°C (54°F) and reaches a maximum of 25°C (78°F) while maintaining an average of 17°C (63°F). Precipitation levels are quite similar, with September receiving 99 mm (3.9 in) over 8 days and July slightly higher at 100 mm (3.9 in) over 11 days. Humidity is also marginally higher in September at 77% compared to July's 74%. For more details on July weather, you can check out Lincolnville weather in July.

In comparing the weather of September and August, September tends to be cooler, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F), while August remains milder, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 24°C (76°F). Additionally, September experiences slightly more precipitation, totaling 99 mm (3.9 in) over 8 days, compared to August's 90 mm (3.5 in) over 9 days. The humidity in September is also higher at 77%, compared to 74% in August, contributing to a more muggy feel as the summer transitions into fall. For a detailed overview, you can check Lincolnville weather in August.

September tends to be milder, with average temperatures reaching up to 16°C (61°F) and maximums of 23°C (74°F), while October sees a notable drop, averaging 12°C (54°F) with maximums of 19°C (66°F) and minimums dipping to just 1°C (34°F). Precipitation also increases significantly from September's 99 mm (3.9 in) over 8 days to October's 169 mm (6.6 in) across 13 days, suggesting a wetter month ahead. Additionally, humidity rises slightly from 77% in September to 82% in October, contributing to a crisp, damp autumn feel. For a more detailed look at the weather specifics, you can check out Lincolnville weather in October.

In September, the weather is generally milder, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F) and an average temperature of 16°C (61°F). The month sees about 99 mm (3.9 in) of precipitation spread over 8 days, with humidity levels at 77%. In contrast, November brings much colder conditions, with temperatures dropping significantly, featuring a minimum of -12°C (11°F) and an average of 6°C (42°F). The month is wetter as well, with 145 mm (5.7 in) of precipitation over 12 days and higher humidity at 85%. For more details, you can check Lincolnville weather in November.

September weather is generally mild, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F). The average temperature sits around 16°C (61°F), accompanied by moderate humidity at 77% and 99 mm (3.9 in) of rainfall over about 8 days. In contrast, December brings significantly colder temperatures, with a minimum of -18°C (0°F) and a maximum of 13°C (55°F), resulting in an average temperature of 0°C (33°F). Precipitation increases to 160 mm (6.3 in) over 12 days, and humidity rises to 84%. For a more detailed look at December weather, you can visit Lincolnville weather in December.

Compare Lincolnville's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lincolnville

As September rolls into Lincolnville, the weather begins to transition from the warmth of summer to the crispness of fall. With average temperatures settling around a comfortable 16°C (61°F) and a maximum peaking at 23°C (74°F), it offers a pleasant reprieve compared to the sweltering heat of July and August. However, this month also sees a notable uptick in moisture, with 99 mm (3.9 in) of precipitation recorded over 8 days, making it one of the wetter months of the year. The humidity levels linger around 77%, creating a rich atmosphere as the leaves start to turn. For those interested in how September's climate fits into the bigger picture, more details can be found at Lincolnville Climate.