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September Weather in Calnic, Romania

Last updated: August 27, 2025

In September, the average temperature in Calnic, Romania hovers around 15°C (59°F). Expect temperatures to range from a brisk -2°C (29°F) at their lowest to a warm 31°C (88°F) at their peak. With an average precipitation of 42 mm (1.7 in) spread over 7 days and 57% humidity, be prepared for a mix of springtime weather!

September Temperature in Calnic

In September in Calnic, the average temperature is 15°C (59°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -2°C (29°F). This range offers a unique opportunity for travelers to experience both warm and cool weather during their visit.

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

The chart illustrates September temperature patterns in Calnic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calnic, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec273238475664666758484033
Data source: Temperature data for Calnic 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 Calnic

In Calnic in September, the total precipitation amount is 42 mm (1.7 in) over the course of 7 days.

September Precipitation Trends in Calnic

The chart displays monthly precipitation patterns in Calnic, 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 Calnic, September typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2943544791119916042443458
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Calnic

In Calnic in September, humidity is 57%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing embrace, making it comfortable for traveling while adding a light dampness that keeps the air feeling vibrant and alive.

September Average Humidity in Calnic

This chart illustrates the average monthly humidity levels in Calnic, 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 Calnic is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%82%73%71%70%66%48%57%79%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Calnic

In Calnic in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Calnic.

Maximum UV Index Levels in Calnic for September

The chart shows the monthly maximum UV Index (UVI) for Calnic 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 Calnic typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Calnic 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.

How September Weather in Calnic Compares to Other Months

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

This table compares monthly weather conditions in Calnic, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)29 mm (1.2 inches)88%low
February Weather0°C (33°F)43 mm (1.7 inches)85%moderate
March Weather3°C (39°F)54 mm (2.1 inches)82%moderate
April Weather8°C (47°F)47 mm (1.9 inches)73%high
May Weather13°C (56°F)91 mm (3.6 inches)71%very high
June Weather18°C (64°F)119 mm (4.7 inches)70%very high
July Weather19°C (66°F)91 mm (3.6 inches)66%very high
August Weather20°C (68°F)60 mm (2.3 inches)48%very high
September Weather15°C (59°F)42 mm (1.7 inches)57%high
October Weather9°C (49°F)44 mm (1.7 inches)79%moderate
November Weather5°C (41°F)34 mm (1.3 inches)87%moderate
December Weather1°C (33°F)58 mm (2.3 inches)88%low

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