September Weather in Jihlava, Czech Republic

Last updated: April 1, 2025

September in Jihlava, Czech Republic presents a diverse weather experience, with maximum temperatures reaching a pleasant 28°C (82°F) and dropping to a comfortable average of 14°C (57°F). The month can also bring a touch of chill, with minimum temperatures plunging as low as -1°C (30°F). Rainfall is notable, with a total precipitation of 81 mm (3.2 in) spread over 12 days, leading to a humidity level of approximately 75%. This combination of warmth, coolness, and occasional showers creates an inviting yet unpredictable climate, perfect for exploring the beautiful landscapes and vibrant culture of the region.

September Temperature in Jihlava

In September, Jihlava, Czech Republic, experiences a delightful transition as summer gently yields to autumn. With minimum temperatures hovering around -1°C (30°F) and average highs reaching up to 28°C (82°F), the month offers a comfortable balance that invites outdoor adventures. The weather is typically mild, with an average of 14°C (57°F), making it an ideal time for exploring the town's rich history and vibrant cultural scene. As the days grow shorter and the air crisp, the stunning fall foliage begins to emerge, painting the landscape in shades of gold and amber. This gradual shift not only signals the onset of cozy sweaters and warm drinks but also presents a perfect backdrop for enjoying Jihlava's beautiful parks and scenic views.

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

The chart illustrates September temperature patterns in Jihlava, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec293338465464646557493933
Data source: Temperature data for Jihlava 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 Jihlava

In September, Jihlava experiences a moderate level of precipitation, with an average of 81 mm (3.2 in) falling over approximately 12 days. This month serves as a transition, bridging the warmer summer months, where rainfall tends to peak, and the drier autumn ahead. Notably, September's rainfall is slightly lower than in the preceding month of August, which recorded 85 mm (3.3 in). However, it remains significantly higher than earlier spring months like April and May. This subtle decline in precipitation signals the gradual shift in weather patterns, hinting at autumn's approach while still offering a refreshing mix of late summer rain. Overall, September in Jihlava is characterized by a balanced distribution of rain, setting the stage for the crisp fall days to come.

September Precipitation Trends in Jihlava

The chart displays monthly precipitation patterns in Jihlava, 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.
JanFebMarAprMayJunJulAugSepOctNovDec484849439588978581674561
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jihlava

As summer transitions into autumn, September in Jihlava, Czech Republic, experiences a notable decline in humidity, resting at a comfortable 75%. This month marks a gradual shift from the peak summer humidity of 76% in both July and August, hinting at the cooling temperatures ahead. Following a steady decline from the 73% seen in May, September's humidity showcases a trend of decreasing moisture levels, setting the stage for the crisp air of fall. Interestingly, this month also serves as a precursor to a rise in humidity again in October, where levels climb back to 85%. Overall, September offers a refreshing break, as residents and visitors enjoy the balance of warmth and reduced humidity before the winter months usher in much higher moisture, peaking at 91% in December.

September Average Humidity in Jihlava

This chart illustrates the average monthly humidity levels in Jihlava, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%78%74%77%76%76%75%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jihlava

As September arrives in Jihlava, the UV Index reflects a notable shift, stabilizing at 6, categorized as high exposure. This trend follows the summer months, where July and August boasted very high indices of 8 and 7, respectively. In September, while the burn time extends to 25 minutes, it's essential to remain vigilant about sun protection as the UV levels still warrant attention. As daylight decreases, this month serves as a gentle reminder that even in the transitioning seasons, the sun's rays can still pose risks. Embrace the pleasant autumn while keeping an eye on the UV levels; for more information, visit Jihlava UV Index.

Maximum UV Index Levels in Jihlava for September

The chart shows the monthly maximum UV Index (UVI) for Jihlava 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689876421
Data source: Jihlava 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 Jihlava

September in Jihlava, Czech Republic, is a delightful month characterized by a notable decline in sunshine hours from the peak of summer. With 313 hours of sunlight, it marks a transition from the soaring 435 hours in July, gradually easing into the cooler autumn months. This steady decrease reflects a shift in the seasons, creating a beautiful backdrop for changing leaves and crisp air, while still allowing for ample opportunities to enjoy the outdoors. Despite the dip, September retains a generous amount of sunshine compared to the chillier months ahead, such as October with only 264 hours. As the days shorten, Jihlava transforms, inviting residents and visitors alike to savor the last rays of summer before embracing the fall.

Monthly Sunshine Duration in Jihlava: September Highlighted

The September sunshine duration represents the total number of hours Jihlava 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.
JanFebMarAprMayJunJulAugSepOctNovDec129h213h287h333h383h405h435h386h313h264h180h151h
Data source: Jihlava September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jihlava During September

In Jihlava, Czech Republic, September brings a welcome increase in the likelihood of sunny weather, with a 42% chance of sunshine. This marks a slight rise compared to the summer months, showcasing a shift in the seasonal pattern as the region transitions into autumn. While June holds a strong 41% chance, September's figures reflect a favorable balance between warmth and clear skies, inviting both locals and visitors to enjoy the gentle, late-summer ambiance. As the days begin to shorten and the vibrant hues of fall emerge, September stands out as one of the more promising months for sun enthusiasts in Jihlava, before the onset of the cloudier months that follow.

Percentage of Sunny Days in September in Jihlava

The chart illustrates the percentage of sunny days in Jihlava 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 Jihlava experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%27%45%34%29%41%35%28%42%43%18%14%
Data source: Jihlava September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jihlava in September

As September unfolds in Jihlava, Czech Republic, daylight begins to gracefully wane, offering around 12 hours of sunshine. This month marks a transition from the vibrant summer months when daylight peaked at a generous 16 hours in June, gradually decreasing to 14 hours in August. Following the warm embrace of summer, September’s longer shadows hint at the upcoming autumn, reflecting a steady decline that continues into October's 10 hours of daylight. This trend not only signifies the changing seasons but also invites a cozy atmosphere, making it a perfect time for reflective walks and admiring the rich autumn hues.

Average Daylight Hours in Jihlava for September

The chart illustrates the variation in daylight duration in Jihlava throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 41m10h 7m11h 55m13h 45m15h 21m16h 10m15h 44m14h 19m12h 32m10h 43m9h 5m8h 13m
Data source: Jihlava daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jihlava

As September descends upon Jihlava, the wind whispers a gentle lull, with an average speed of 2.8 m/s (6 mph). This marks a continuation of the calm breezes experienced throughout the summer months, where July and August also averaged the same. Interestingly, September's wind is notably softer compared to the earlier spring months, where gusts picked up to 4.0 m/s (9 mph) in May, reflecting a shift from the revitalizing breezes of spring to the more subdued currents of early autumn. As the season transitions, the wind quiets while foreshadowing the brisker conditions to come in October, reminding us of nature's ebb and flow.

Average September Wind Speed in Jihlava

The chart displays monthly wind speed patterns in Jihlava, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.33.23.74.02.62.82.82.8 m/s3.73.53.8
Data source: Jihlava September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jihlava Compares to Other Months

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

September and January present stark contrasts in weather patterns. In September, temperatures range from a mild -1°C (30°F) at night to a warm 28°C (82°F) during the day, averaging around 14°C (57°F). This month sees an average of 81 mm (3.2 in) of rainfall over about 12 days, with humidity levels at 75%. In contrast, January is much colder, with temperatures plunging to a minimum of -16°C (3°F) and a maximum of 11°C (53°F), averaging -1°C (30°F). Precipitation decreases to 48 mm (1.9 in) over approximately 10 days, and humidity rises to a notable 90%. For more detailed information, you can check out Jihlava weather in January.

When comparing the weather in September to that of February, the differences are striking. September experiences a much wider temperature range, with a minimum of -1°C and a maximum of 28°C, leading to an average of 14°C. In contrast, February is notably colder, with temperatures dipping as low as -17°C and averaging around 0°C, while peaking at just 15°C. Precipitation is more frequent in September, occurring over 12 days with a total of 81 mm, whereas February sees less rainfall at 48 mm over just 9 days. Additionally, February's humidity is higher at 87%, compared to September's 75%. For a detailed look at February weather in Jihlava, you can visit Jihlava weather in February.

In September, the weather tends to be warmer with average temperatures around 14°C (57°F), peaking at a maximum of 28°C (82°F). While the precipitation of 81 mm (3.2 in) falls over 12 days, humidity levels are at a comfortable 75%. In contrast, March is significantly cooler, with temperatures averaging only 3°C (38°F) and a maximum of 19°C (67°F). Additionally, March experiences less precipitation at 49 mm (1.9 in) over 11 days, but humidity is slightly higher at 85%. This highlights the transition from the warm, humid late summer of September to the chilly, damp early spring of March. For more details, check out Jihlava weather in March.

When comparing the weather in September and April, notable differences emerge. September generally offers a milder climate with an average temperature of 14°C (57°F), while April is cooler with an average of 8°C (46°F). The highest temperatures in September can reach up to 28°C (82°F), compared to a maximum of 25°C (78°F) in April. September also experiences more rainfall, with 81 mm (3.2 in) over approximately 12 days, whereas April sees only 43 mm (1.7 in) across about 10 days. Despite these differences, both months maintain relatively high humidity levels, with September sitting at 75% and April slightly higher at 78%. For more detailed information, you can check Jihlava weather in April.

In September, temperatures in Jihlava range from a chilly -1°C (30°F) to a warm 28°C (82°F), with an average of 14°C (57°F). The month sees about 81 mm (3.2 in) of precipitation spread over approximately 12 days, contributing to a humidity level of 75%. In contrast, May features slightly cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 28°C (83°F), averaging at 12°C (54°F). However, it experiences a bit more rainfall, totaling 95 mm (3.7 in) over around 17 days and a humidity level of 73%. For more details on weather conditions during May, you can check Jihlava weather in May.

In comparing the weather between September and June, September experiences a broader temperature range, with lows dropping to -1°C (30°F) and highs reaching 28°C (82°F), resulting in a comfortable average of 14°C (57°F). In contrast, June tends to be warmer overall, featuring minimum temperatures of 4°C (40°F) and maximums of 32°C (89°F), with an average of 18°C (64°F). While both months see similar levels of precipitation—81 mm (3.2 in) in September and 88 mm (3.5 in) in June—September tends to feel more humid at 75%, compared to June's 77%. For more details on June's weather, you can visit Jihlava weather in June.

When comparing the weather in September and July, September generally offers a wider temperature range, from a chilly minimum of -1°C (30°F) to a comfortable maximum of 28°C (82°F), with an average of 14°C (57°F). In contrast, July tends to be warmer, with minimum temperatures of 7°C (44°F) and maximums reaching up to 32°C (90°F), averaging 18°C (65°F). Both months experience notable precipitation, with July receiving 97 mm (3.8 in) over 13 days, while September sees slightly less at 81 mm (3.2 in) over 12 days. Humidity levels are similar in both months, at 75% for September and 76% for July, making both times of year feel somewhat muggy. For more detailed information on July weather, you can visit Jihlava weather in July.

In comparing the weather of September to August, we see a noticeable drop in temperatures. September experiences a minimum temperature of -1°C (30°F) compared to August's milder 5°C (42°F), with an average of 14°C (57°F) in September versus 19°C (66°F) in August. The maximum temperatures also reflect this change, peaking at 28°C (82°F) in September and 32°C (90°F) in August. Additionally, both months have similar levels of precipitation, with September receiving 81 mm (3.2 in) over 12 days and August slightly higher at 85 mm (3.3 in) over 13 days. Humidity levels are comparable, at 75% in September and 76% in August. For further details on the weather in August, you can check Jihlava weather in August.

September typically experiences milder temperatures compared to October, with average highs around 28°C (82°F) and lows only dipping to 1°C (30°F). In contrast, October sees a notable drop in temperatures, averaging around 9°C (49°F) with maximums reaching only 21°C (71°F) and minimums falling to -3°C (28°F). Precipitation is slightly lower in October, totaling 67 mm (2.6 in) across about 10 days, compared to 81 mm (3.2 in) over 12 days in September. The humidity also increases in October, rising to 85% compared to September's 75%. For more detailed information, you can check the Jihlava weather in October.

September weather features a broader temperature range, with nighttime lows around -1°C (30°F) and daytime highs peaking at 28°C (82°F), giving it an average of 14°C (57°F). In contrast, November sees significantly colder temperatures, with a minimum of -7°C (19°F) and a maximum of 16°C (62°F), resulting in a much lower average of 4°C (40°F). Although September experiences slightly more rainfall at 81 mm (3.2 in) over 12 days, November is relatively drier with 45 mm (1.8 in) across 9 days despite its higher humidity levels of 90%. For more details about the weather trends in November, you can refer to this link: Jihlava weather in November.

September and December present contrasting weather patterns. In September, temperatures can range from a chilly minimum of -1°C (30°F) to a warm maximum of 28°C (82°F), with an average of 14°C (57°F) and relatively moderate humidity at 75%. The month sees around 81 mm (3.2 in) of precipitation spread over 12 days. In contrast, December’s climate is significantly colder, with temperatures dipping to a minimum of -13°C (10°F) and only reaching a maximum of 11°C (51°F), resulting in an average temperature of just 1°C (33°F). Despite having lower total precipitation at 61 mm (2.4 in), December experiences slightly more rainy days with 13, contributing to higher humidity levels at 91%. For more details about December weather, visit Jihlava weather in December.

Compare Jihlava's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jihlava

As the warm embrace of summer begins to fade, September in Jihlava offers a unique blend of mild temperatures and increased precipitation, making it distinct from the peak months of July and August. With daytime highs reaching into the upper 20s°C, the afternoons still hold onto warmth, yet the nights can turn quite cool, often dipping into chilly temperatures, reminding residents of the approaching autumn. Humidity levels remain significant, contributing to a noticeable dampness, particularly on the 12 days when rain is expected throughout the month. For those curious about Jihlava's year-round conditions, the insights can be deepened by exploring the Jihlava Climate.