September Weather in Enniskillen, United Kingdom

Last updated: March 17, 2025

September in Enniskillen, United Kingdom offers a mix of mild temperatures and noticeable rainfall. With a maximum temperature reaching 25°C (76°F) and an average of 13°C (55°F), the month showcases the transition from summer warmth to cooler autumn days. However, temperatures can dip as low as 2°C (35°F) during the night. Rainfall is frequent, totaling 85 mm (3.4 in) over 17 days, contributing to the high humidity levels of 87%. This combination creates a lush, vibrant environment, perfect for experiencing the natural beauty of the area while preparing for the approaching fall.

September Temperature in Enniskillen

As September arrives in Enniskillen, the transition from summer to autumn becomes evident in the temperatures. With a minimum of 2°C (35°F) and a pleasant average of 13°C (55°F), the month offers a delightful respite before the chill of winter sets in. The maximum temperature reaches a comfortable 25°C (76°F), perfect for enjoying the last rays of summer sunshine. This slight dip from the warmer months of July and August marks a gradual cooling trend, contrasting with the peak summer highs which typically hover around 28°C (82°F). As the days grow shorter, the refreshing atmosphere invites outdoor autumn strolls and cozy gatherings, making September a charming time to experience the beauty of Enniskillen.

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

The chart illustrates September temperature patterns in Enniskillen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414243475257595855504543
Data source: Temperature data for Enniskillen 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 Enniskillen

In September, Enniskillen experiences a promising yet variable climate, characterized by an average precipitation of 85 mm (3.4 in) over 17 days of rainfall. This marks a slight decrease from the preceding month of August, which recorded a peak of 143 mm (5.6 in). As summer transitions into autumn, September showcases a gentler rhythm of rainfall, creating a balance as nature prepares for the cooler months ahead. Notably, the trend of increased rainfall seen in August is tempered here, hinting at a shift in weather patterns as the year progresses. Overall, September's precipitation lays the groundwork for the vibrant colors of fall, nurturing the landscape while allowing residents to enjoy the changing season.

September Precipitation Trends in Enniskillen

The chart displays monthly precipitation patterns in Enniskillen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7512310358771069914386106100107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Enniskillen

September in Enniskillen, United Kingdom, marks a noticeable uptick in humidity, reaching 87%, a slight increase from the previous months. This trend reflects the transitional nature of the season, as summer's warmth lingers and the approach of autumn begins to envelop the region. With July and August both recording 86%, September stands out as the month where humidity peaks before stabilizing in October. The overall humidity trend throughout the year demonstrates a pattern, consistently hovering around the 83-88% range, with distinct increases as the seasons shift. This rising humidity not only enhances the lush greenery of Enniskillen but also sets the stage for cozy, crisp autumn days ahead.

September Average Humidity in Enniskillen

This chart illustrates the average monthly humidity levels in Enniskillen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%84%83%84%86%86%87%87%88%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Enniskillen

September in Enniskillen sees a UV Index of 5, categorizing it as moderate, with a burn time of approximately 30 minutes for those unprotected. This marks a transition from the high and very high levels witnessed during the summer months, reflecting the gradual decline in UV radiation as autumn approaches. While it's a relief for those sensitive to sun exposure, it’s still crucial to remain vigilant and consider sun protection, especially during peak hours. The data showcases a clear trend of decreasing UV levels from the intense summer, making September a perfect time to enjoy outdoor activities while being mindful of sun safety. For more detailed information, visit Enniskillen UV Index.

Maximum UV Index Levels in Enniskillen for September

The chart shows the monthly maximum UV Index (UVI) for Enniskillen 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Enniskillen 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 Enniskillen

In September, Enniskillen basks in the gentle warmth of transitioning seasons, accumulating approximately 258 hours of sunshine. This marks a delightful continuation of the vibrant summer days, although the total sunlight begins to taper off from the peak experienced in May and June, where residents delightfully savored 361 and 342 hours respectively. By this time, the increasing cloud cover heralds the approach of autumn, yet September still sparkles with more sunshine than the cooler months that follow. The trend is clear: as summer fades, the golden hours gradually dwindle, but this month offers a lovely blend of lingering light and the early whispers of fall, making it a splendid prelude to the cozy days ahead.

Monthly Sunshine Duration in Enniskillen: September Highlighted

The September sunshine duration represents the total number of hours Enniskillen 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.
JanFebMarAprMayJunJulAugSepOctNovDec67h132h169h276h361h342h339h289h258h206h103h74h
Data source: Enniskillen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Enniskillen During September

In September, the likelihood of encountering sunny weather in Enniskillen is relatively modest, with a 15% chance of sunshine. This aligns closely with the 15% odds seen in both October and November, suggesting that the initial hints of autumn bring with them a subdued ability for sun-kissed days. This follows a summer pattern, where the warmth of June and July (16% and 21% respectively) sharply drops off, leading to a marked decrease in sunshine as the year progresses. While April emerges as a more promising month with a 33% chance of sun, September's weather can often be characterized by overcast skies and rainfall, which makes planning for outdoor activities a bit of a gamble.

Percentage of Sunny Days in September in Enniskillen

The chart illustrates the percentage of sunny days in Enniskillen 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 Enniskillen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%18%12%34%30%16%21%17%15%15%20%11%
Data source: Enniskillen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Enniskillen in September

As summer transitions into autumn in Enniskillen, September experiences a notable decline in daylight, offering about 12 hours compared to the extended 17 hours of sunlight enjoyed in June. This shift marks the beginning of shorter days, where the lush vibrancy of summer gradually gives way to the mellow tones of fall. Following the peak daylight in May and June, the gradual decrease continues into October, which basks in just 10 hours of daylight. With each passing month, the rhythm of nature aligns with the ebbing light, inviting a shift in mood and activities as the enchanting hues of autumn take over the landscape.

Average Daylight Hours in Enniskillen for September

The chart illustrates the variation in daylight duration in Enniskillen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 58m9h 44m11h 54m14h 6m16h 3m17h 6m16h 32m14h 46m12h 38m10h 27m8h 27m7h 23m
Data source: Enniskillen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Enniskillen

As the September winds blow through Enniskillen, they carry a comforting consistency with an average speed of 3.0 m/s (7 mph). This month marks a subtle shift from the quieter breezes of summer, where July and August see the lowest wind speeds of 2.2 m/s (5 mph) and 2.8 m/s (6 mph), respectively. In contrast, September's winds provide a gentle reminder that autumn is approaching, paving the way for a gradual increase in gustiness as autumn unfolds. Both October and November see a rise to 3.9 m/s (9 mph), revealing a trend toward brisker conditions that will continue throughout the colder months. This seamless transition showcases Enniskillen's weather rhythm, where each month brings its unique character, inviting residents and visitors alike to enjoy the changing seasons.

Average September Wind Speed in Enniskillen

The chart displays monthly wind speed patterns in Enniskillen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.24.94.13.03.33.42.22.83.0 m/s3.93.94.1
Data source: Enniskillen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Enniskillen Compares to Other Months

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

In September, the weather in Enniskillen is generally mild, with average temperatures ranging from a cool 2°C (35°F) at night to a comfortable 25°C (76°F) during the day. The month experiences considerable precipitation, with 85 mm (3.4 in) spread over 17 days and humidity levels reaching 87%. In contrast, January brings colder temperatures, with a maximum of only 14°C (57°F) and a minimum dropping to -5°C (24°F), resulting in an overall average of 5°C (42°F). While January sees slightly less rainfall at 75 mm (3.0 in) over 12 days, the humidity remains relatively high at 84%. For more details on January weather conditions, you can visit Enniskillen weather in January.

September typically offers more mild conditions with average temperatures ranging from 2°C (35°F) at night to a comfortable 25°C (76°F) during the day, while February is considerably cooler, with average temperatures between -4°C (26°F) and a maximum of 15°C (59°F). Although September experiences about 85 mm (3.4 in) of precipitation over 17 days, February sees a bit more rainfall, averaging 123 mm (4.8 in) over 16 days, making it a wetter month overall. Humidity remains fairly high in both months, but September slightly edges out February with an average of 87% compared to February's 84%. For more specific details about weather conditions, you can check Enniskillen weather in February.

When comparing the weather in September and March, we notice a marked difference in temperatures and precipitation. September tends to be warmer, with average temperatures ranging from a low of 2°C (35°F) to a high of 25°C (76°F), while March shows a cooler climate, with temperatures fluctuating from -4°C (24°F) to a maximum of 17°C (63°F). In terms of precipitation, March also sees slightly higher rainfall, totaling 103 mm (4.1 in) compared to September's 85 mm (3.4 in), although both months experience rainfall on about 17 days. Humidity levels are relatively similar, with September at 87% and March at 83%. For a closer look at weather specifics, check out Enniskillen weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. September features a milder temperature range, with an average of 13°C (55°F) and highs reaching up to 25°C (76°F), compared to April's cooler averages of 8°C (47°F) and highs of 20°C (69°F). Additionally, September experiences more rainfall, with 85 mm (3.4 in) spread over 17 days, while April's precipitation is lighter at 58 mm (2.3 in) across 12 days. Humidity levels are relatively similar, with September at 87% and April at 84%. For a more detailed look at April's weather, you can check Enniskillen weather in April.

In comparing the weather between September and May, we see some notable differences. September has a slightly warmer temperature range, with averages peaking at 13°C (55°F) compared to May's average of 11°C (52°F). The maximum temperatures are similar, both reaching around 24°C (76°F) on warm days. However, September is generally more humid, with humidity levels at 87% versus May's 83%. Precipitation is fairly frequent in both months, but September tends to be wetter, with 85 mm (3.4 in) over 17 days compared to May's 77 mm (3.0 in) over 14 days. For more details on May's weather, you can check out Enniskillen weather in May.

In comparing the weather of September and June, we see notable differences in temperature and precipitation patterns. September boasts a minimum temperature of 2°C (35°F), with an average of 13°C (55°F) and a maximum of 25°C (76°F), indicating a gradual transition towards cooler fall weather. In contrast, June experiences slightly warmer temperatures, with a minimum of 5°C (41°F), an average of 14°C (57°F), and a maximum of 29°C (84°F), reflecting the peak of summer warmth. Both months have similar precipitation, averaging 85 mm (3.4 in) in September and slightly higher at 106 mm (4.2 in) in June, with rainfall spread over approximately 17 days in each month. Interestingly, while September has a higher humidity level at 87%, June is close behind at 83%. For a more detailed look, you can explore Enniskillen weather in June.

When comparing the weather in September and July, one can observe notable differences in temperatures and precipitation. September experiences cooler nights with a minimum temperature of 2°C (35°F), while July starts off warmer, with a minimum of 7°C (45°F). The average temperature in September is slightly cooler at 13°C (55°F) compared to July's average of 15°C (60°F), and September's maximum temperature peaks at 25°C (76°F), a bit lower than July's maximum of 28°C (82°F).

In terms of precipitation, September has 85 mm (3.4 in) of rainfall over 17 days, whereas July sees slightly more precipitation at 99 mm (3.9 in) spread across 14 days. Both months maintain high humidity levels, with September at 87% and July at 86%. For a more detailed look at July's weather, you can refer to Enniskillen weather in July.

In comparing the weather between August and September, we can see a notable shift. September experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 13°C (55°F), while August has a milder minimum of 6°C (43°F) and an average of 15°C (59°F). Although August has slightly less precipitation in total, with 143 mm (5.6 in) over 20 days, September still sees a significant amount of rainfall at 85 mm (3.4 in) over 17 days. Humidity levels remain similar, with September at 87% compared to August's 86%. For more details about the weather in August, visit Enniskillen weather in August.

September and October exhibit a noticeable shift in weather patterns. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 25°C (76°F), with an average of 13°C (55°F). This month sees 85 mm (3.4 in) of precipitation over 17 days, accompanied by high humidity at 87%. By October, the weather becomes cooler, with temperatures dropping to a minimum of -1°C (31°F) and a maximum of 20°C (68°F), averaging at 10°C (50°F). Rainfall increases slightly to 106 mm (4.2 in), while the number of rainy days remains the same. Despite the cooler temperatures, the humidity level stays constant at 87%. For more detailed information, you can check Enniskillen weather in October.

September offers a milder transition into fall, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 25°C (76°F) and an average of 13°C (55°F). The month experiences approximately 85 mm (3.4 in) of precipitation over 17 days, accompanied by high humidity levels of 87%. In contrast, November brings cooler weather, with temperatures dipping to a minimum of -3°C (27°F) and an average of 7°C (45°F), peaking at 15°C (58°F). While November sees slightly more precipitation at 100 mm (3.9 in) over the same number of rainy days, humidity remains similar at 88%. For more detailed information, you can check Enniskillen weather in November.

In September, the weather is generally milder, with average temperatures ranging from 2°C (35°F) at night to a pleasant high of 25°C (76°F) during the day. This month sees around 85 mm (3.4 in) of precipitation over 17 days, accompanied by high humidity of 87%. In contrast, December brings colder temperatures, with averages ranging from -3°C (27°F) at night to a maximum of 12°C (55°F). Precipitation increases slightly to 107 mm (4.2 in), occurring over 18 days, while humidity remains relatively high at 84%. For a more detailed look at December weather, visit Enniskillen weather in December.

Compare Enniskillen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Enniskillen

As summer fades, September in Enniskillen brings a noticeable shift in weather patterns. With cooler average temperatures and increased humidity, this month stands apart from the warmer months preceding it. Rainfall becomes more prevalent, with nearly half the month experiencing precipitation, contributing to the lush scenery that characterizes the area. Unlike the warmth of July and August, September’s brisk air and vibrant autumn colors create a gentle transition into the fall season. For a deeper dive into what to expect throughout the year, check out the comprehensive information on the Enniskillen Climate page.