September Weather in Zemun, Serbia

Last updated: August 31, 2025

September in Zemun, Serbia offers a delightful transition from summer to autumn, with maximum temperatures reaching up to 35°C (95°F) and an average of 20°C (68°F), providing warm days perfect for outdoor activities. The cooler minimum temperature dips to around 3°C (38°F), especially in the evenings, inviting cozy gatherings. While the overall precipitation amounts to 33 mm (1.3 in) across 6 days, the climate remains relatively humid at 67%, creating a pleasant and refreshing atmosphere. This balance of warmth and crispness makes September a charming time to experience the beauty of Zemun.

September Temperature in Zemun

In September, Zemun, Serbia begins to transition from the heat of summer to the more temperate autumn months. With minimum temperatures hovering around 3°C (38°F) and averages at a comfortable 20°C (68°F), the weather is inviting and perfect for outdoor exploration. The maximum temperature can still reach a warm 35°C (95°F), offering a final taste of summer warmth. This month stands in stark contrast to the peak of August, where the days can be sweltering, showing a gradual cooling trend that sets the stage for October's brisker days. As summer wanes, the balance of warm and cool days in September creates a delightful atmosphere, ideal for enjoying the outdoor charms of Zemun.

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

The chart illustrates September temperature patterns in Zemun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zemun, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec344146556472757667574839
Data source: Temperature data for Zemun 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 Zemun

In September, Zemun, Serbia experiences a noticeable shift in precipitation patterns, receiving just 33 mm (1.3 in) of rainfall over six days. This marks a decrease from the higher totals seen in the summer months, particularly July's 84 mm (3.3 in), and August's 42 mm (1.6 in). As the region transitions from summer to autumn, the reduced precipitation may signal drier conditions ahead, setting the stage for October's expected 47 mm (1.8 in). Overall, September serves as a bridge, where the waning summer rains prepare the landscape for the impending fall season, fostering a unique balance between lingering warmth and the anticipation of autumn's arrival.

September Precipitation Trends in Zemun

The chart displays monthly precipitation patterns in Zemun, 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. In Zemun, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec454652477879844233474377
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zemun

In September, Zemun experiences a noticeable shift in humidity, with levels averaging 67%. This marks a transition from the lower humidity of August, which recorded a refreshing 59%, signaling the end of summer. As autumn approaches, the humidity begins to creep upwards, preparing for the wetter months ahead. The trend is evident as the air moisture rises sharply to 82% by October, following a seasonal pattern where humidity steadily increases from the dry summer months towards the higher levels typical of winter. This fluctuation emphasizes Zemun's dynamic climate, where each season brings a unique character to the atmosphere.

September Average Humidity in Zemun

This chart illustrates the average monthly humidity levels in Zemun, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Zemun is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%82%73%74%70%70%59%67%83%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Zemun

In September, Zemun experiences a UV Index of 7, placing it in the high exposure category with a recommended burn time of 25 minutes. This seasonal transition shows a decline from the peak summer months, where the index reached as high as 9 in both June and July. As the days grow shorter and temperatures cool, September still maintains a significant amount of UV radiation, urging residents and visitors to take precautions, especially during midday. This trend highlights the importance of sun safety even as autumn approaches. For more detailed information on UV levels throughout the year, visit Zemun UV Index.

Maximum UV Index Levels in Zemun for September

The chart shows the monthly maximum UV Index (UVI) for Zemun 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. In September, the maximum UV index in Zemun typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Zemun 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 Zemun

In September, Zemun basks in a golden glow, with 340 hours of sunshine—a delightful continuation of summer's warmth. As the year progresses, the sunny hours peak in July at 426, then gradually decline through August and September, signaling the approaching autumn. The steady decrease in sunshine hours from the summer's zenith to late fall contrasts with the early months of the year, where sunlight is scarce, such as a mere 164 hours in January. This September sunshine offers a perfect balance: ample light for enjoying the outdoors while hinting at the cozy days ahead, making it a beautiful transitional month in Zemun.

Monthly Sunshine Duration in Zemun: September Highlighted

The September sunshine duration represents the total number of hours Zemun 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h223h300h344h387h401h426h396h340h284h224h192h
Data source: Zemun September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zemun During September

In Zemun, Serbia, September brings a 55% chance of sunny weather, marking a delightful transition from the summer months. This figure is slightly lower than the peak sun exposure of August, which boasts a commendable 65%, yet it still outshines the earlier months of the year. As the seasons shift, the likelihood of sunshine dips slightly, following the warmer months of June and July that enjoy sunny chances of 64% and 61%, respectively. As autumn approaches in October, the chances remain fairly stable at 54%. Overall, September offers a pleasant balance of sunny days, making it an ideal time for outdoor activities or leisurely strolls in the mild fall air.

Percentage of Sunny Days in September in Zemun

The chart illustrates the percentage of sunny days in Zemun 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 Zemun experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%51%47%42%45%64%62%66%55%54%33%23%
Data source: Zemun September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zemun in September

As September unfolds in Zemun, Serbia, daylight reaches a pleasant 12 hours, a gentle decline from the sun-drenched days of summer. This month marks a transitional phase, where the long, bright days of June and July, which enjoy up to 15 hours of daylight, gradually give way to the shorter days of autumn. In September, daylight begins to wane, hinting at the approaching chill of October, which sees a further drop to 10 hours of sunlight. This pattern reflects the rhythmic ebb and flow of the seasons, reminding us of nature’s cyclical beauty as we move from the vibrancy of summer to the cozy allure of fall.

Average Daylight Hours in Zemun for September

The chart illustrates the variation in daylight duration in Zemun throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 12m10h 25m11h 56m13h 30m14h 50m15h 30m15h 9m13h 58m12h 28m10h 55m9h 33m8h 50m
Data source: Zemun daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Zemun

As September arrives in Zemun, Serbia, the average wind speed gently settles at 2.6 m/s (6 mph), reflecting a slight rise from the summer's calm breezes. This month serves as a transition point where the winds, having moderated throughout the warmer months, begin to pick up ever so slightly, foreshadowing the stronger gusts of autumn. It’s interesting to note that while May boasts a comparable wind speed of 3.2 m/s (7 mph), the general trend is characterized by a gradual decline through the summer before a modest increase in October. This dance of the winds not only enhances the atmospheric charm of Zemun but also hints at the seasonal shifts that define the region's unique climate tapestry.

Average September Wind Speed in Zemun

The chart displays monthly wind speed patterns in Zemun, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.92.82.83.22.52.62.42.6 m/s3.73.43.1
Data source: Zemun September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Zemun Compares to Other Months

Weather in Zemun varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Zemun, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January display markedly different weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a warm 35°C (95°F) during the day, with an average of 20°C (68°F). The month sees relatively low precipitation of 33 mm (1.3 in) spread over about 6 days, along with a humidity level of 67%. In contrast, January brings much colder conditions, with temperatures plunging to a minimum of -19°C (-2°F) and a maximum of only 16°C (62°F), averaging just 1°C (34°F). This winter month experiences more precipitation at 45 mm (1.8 in) over approximately 9 days, accompanied by higher humidity at 89%. For a more detailed look at January weather, you can check Zemun weather in January.

In September, temperatures range from a comfortable 3°C (38°F) to a warm 35°C (95°F), with an average of 20°C (68°F). The month sees relatively low precipitation of 33 mm (1.3 in) over about 6 days, and the humidity sits at 67%, contributing to a mild and pleasant atmosphere. In contrast, February experiences much colder weather, with temperatures dipping as low as -8°C (18°F) and an average temperature of only 5°C (41°F). Precipitation increases to 46 mm (1.8 in) across approximately 9 days, accompanied by higher humidity at 86%, resulting in a damp and chilly environment. For more detailed information on February's weather, you can check Zemun weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a mild 20°C (68°F) on average to a scorching maximum of 35°C (95°F), complemented by relatively low humidity at 67%. In contrast, March experiences a cooler climate with an average temperature of 8°C (46°F) and a minimum dropping to a frigid -19°C (-3°F). Additionally, March sees more precipitation, totaling 52 mm (2.1 in) over 11 days, compared to September's 33 mm (1.3 in) over just 6 days. The humidity is also higher in March, at 82%, making it feel even colder. For a deeper dive into March weather, see Zemun weather in March.

September and April present contrasting weather patterns. September enjoys warmer temperatures, with an average of 20°C (68°F) and maximums reaching up to 35°C (95°F), while April is cooler, averaging 13°C (56°F) and peaking at 30°C (87°F). In terms of precipitation, April is slightly wetter, receiving 46 mm (1.8 in) over 8 days compared to September’s 33 mm (1.3 in) over 6 days. Humidity levels are also higher in April at 73%, compared to 67% in September. For a more detailed look at April weather, check out Zemun weather in April.

Comparing the weather in September and May reveals some interesting contrasts. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 35°C (95°F), with an average of 20°C (68°F), making it generally warmer than May. However, May features slightly cooler temperatures with a minimum of 4°C (40°F) and a maximum of 33°C (92°F), averaging around 18°C (64°F). Another notable difference is in precipitation; September experiences less rain with only 33 mm (1.3 in) over about 6 days, whereas May is wetter, receiving 78 mm (3.1 in) across 13 days. Humidity levels are also higher in May at 74% compared to 67% in September. For more detailed insights, you can visit Zemun weather in May.

In comparing the weather patterns of September and June, we can observe distinct differences in temperature and precipitation. September typically experiences a minimum temperature of 3°C (38°F), with an average of 20°C (68°F) and a maximum of 35°C (95°F). In contrast, June starts at a higher minimum of 8°C (46°F), with an average of 22°C (73°F) and can reach up to 39°C (102°F). Precipitation varies significantly between the two months, with September averaging 33 mm (1.3 in) over six days, whereas June sees a higher total of 79 mm (3.1 in) across twelve days, contributing to a slightly higher humidity level of 70% compared to September's 67%. For a more detailed view of June's conditions, visit Zemun weather in June.

September weather exhibits a wider temperature range compared to July, with minimums dropping to 3°C (38°F) and maximums reaching up to 35°C (95°F). The average temperature in September is milder at 20°C (68°F), while July boasts higher averages at 24°C (75°F) with maximums peaking at 39°C (102°F). Additionally, July experiences significantly more precipitation, totaling 84 mm (3.3 in) over 11 days, compared to September's 33 mm (1.3 in) spread over just 6 days. Humidity levels are slightly higher in July at 70%, compared to 67% in September, indicating a more humid atmosphere during the summer month. For more details, you can check out Zemun weather in July.

In comparing the weather conditions between September and August, September typically presents a more moderate climate. The average temperature in September is 20°C (68°F), with a minimum of 3°C (38°F) and a maximum of 35°C (95°F), while August boasts a higher average of 25°C (77°F), a minimum of 11°C (51°F), and a peak temperature reaching 41°C (106°F). Additionally, September experiences slightly less precipitation at 33 mm (1.3 in) over 6 days, compared to August's 42 mm (1.6 in) over 7 days. Humidity levels are higher in September, averaging 67%, compared to 59% in August. For a detailed look at August conditions, you can refer to Zemun weather in August.

In September, temperatures range from a cool 3°C (38°F) at night to a warm average of 20°C (68°F) during the day, peaking at a high of 35°C (95°F). The month sees relatively low precipitation, totaling 33 mm (1.3 in) over about 6 days, with humidity levels around 67%. In contrast, October brings cooler conditions with nightly lows of 1°C (33°F) and a lower average temperature of 14°C (57°F), while daytime highs reach up to 29°C (85°F). Precipitation increases to 47 mm (1.8 in) spread across 7 days, accompanied by a rise in humidity to 82%. For more information on the weather specifically in Zemun during this month, you can visit Zemun weather in October.

In September, the weather is generally warm, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 35°C (95°F), leading to an average of about 20°C (68°F). The month typically experiences about 33 mm (1.3 in) of precipitation over approximately 6 days, with a humidity level of 67%. In contrast, November brings a significant drop in temperatures, with lows averaging -3°C (27°F) and highs reaching 25°C (77°F), resulting in a cooler average of 9°C (49°F). This month also sees increased precipitation, totaling around 43 mm (1.7 in) over 9 days, and a higher humidity level of 89%. For more detailed weather information, visit Zemun weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 3°C (38°F) and an average of 20°C (68°F), reaching a maximum of 35°C (95°F). The month sees relatively low precipitation at 33 mm (1.3 in) across about 6 days, and humidity levels average around 67%. In contrast, December presents a much colder climate, with temperatures dropping to a minimum of -8°C (19°F) and averaging just 4°C (40°F), peaking at 17°C (63°F). Precipitation is higher in December, totaling 77 mm (3.0 in) over 12 days, accompanied by increased humidity at 91%. For a more detailed look at December weather, check out Zemun weather in December.

Compare Zemun's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Zemun

September in Zemun marks a transition from the summer heat, as the weather brings a delightful mix of warm days and cooler nights. With maximum temperatures peaking at 35°C, the month presents an enticing warmth that gradually gives way to a milder average of 20°C, making it a picturesque time for outdoor activities. While there's a slight increase in precipitation with around 33 mm over about six days, the overall humidity remains comfortable at 67%. This blend of warmth and refreshing breezes sets September apart from the sweltering summer months, offering a unique charm that beckons both locals and visitors alike. For a detailed look at what to expect throughout the year, check out Zemun Climate.