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September Weather in Casva, Romania

Last updated: August 27, 2025

In September, the average temperature in Casva, Romania hovers around 14°C (58°F), with a range that can dip to a brisk -2°C (28°F) and rise to a warm 29°C (85°F). Expect approximately 65 mm (2.5 in) of precipitation spread over 9 days, accompanied by an average humidity level of 64%, creating a varied yet inviting climate.

September Temperature in Casva

In September in Casva, the average temperature is 14°C (58°F), with maximums reaching 29°C (85°F) and minimums dropping to as low as -2°C (28°F). This variation in temperature makes it advisable for travelers to pack layers to accommodate both warm and chilly conditions.

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

The chart illustrates September temperature patterns in Casva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casva, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec263136455563656657484031
Data source: Temperature data for Casva 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 Casva

In Casva in September, the precipitation amount is 65 mm (2.5 in) over the course of 9 days.

September Precipitation Trends in Casva

The chart displays monthly precipitation patterns in Casva, 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 Casva, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec416758501211311137065563280
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Casva

In Casva in September, humidity is 64%. With an average temperature of 14°C (58°F), this humidity feels like a refreshing embrace, making travel comfortable but slightly sticky, and occasionally necessitating a light jacket when the breeze picks up.

September Average Humidity in Casva

This chart illustrates the average monthly humidity levels in Casva, 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 Casva is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Casva

In Casva 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 Casva.

Maximum UV Index Levels in Casva for September

The chart shows the monthly maximum UV Index (UVI) for Casva 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 Casva typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Casva 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 Casva Compares to Other Months

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

This table compares monthly weather conditions in Casva, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)41 mm (1.6 inches)93%low
February Weather0°C (31°F)67 mm (2.6 inches)88%moderate
March Weather2°C (37°F)58 mm (2.3 inches)86%moderate
April Weather7°C (46°F)50 mm (2.0 inches)79%high
May Weather13°C (55°F)121 mm (4.8 inches)71%very high
June Weather17°C (63°F)131 mm (5.1 inches)71%very high
July Weather18°C (65°F)113 mm (4.4 inches)64%very high
August Weather19°C (67°F)70 mm (2.7 inches)55%very high
September Weather14°C (58°F)65 mm (2.5 inches)64%high
October Weather9°C (48°F)56 mm (2.2 inches)83%moderate
November Weather4°C (40°F)31 mm (1.2 inches)91%moderate
December Weather0°C (32°F)80 mm (3.1 inches)92%low

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