September weather forecastZalău, Romania
September
Weather in September
September in Zalău is a sign of autumn’s arrival. The average high temperature drops to 21.5°C (70.7°F), and evenings become noticeably cooler. Rainfall starts to pick up again, with rains refreshing the city after the hotter summer months. September’s weather allows the foliage to transform, offering landscapes filled with hues of yellow and orange. Despite being a transitional month, September defines what Zalău's autumn embodies - crisp air, clear skies, and captivating foliage.Temperature
Stepping into September, Zalău observes a temperature decline, with the average high falling from August's warm 26.9°C (80.4°F) to an agreeable 21.5°C (70.7°F). The average temperature in Zalău drops to a cool 10.5°C (50.9°F) during the night in the month of September.Humidity
In Zalău, the average relative humidity in September is 67%.Rainfall
In Zalău, in September, it is raining for 8.4 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, in Zalău, there are 157.4 rainfall days, and 506mm (19.92") of precipitation is accumulated.Snowfall
In Zalău, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September, sunrise is at 06:47 and sunset at 20:07. On the last day of the month, sunrise is at 07:25 and sunset at 19:09 EEST.
Sunshine
In September, the average sunshine in Zalău is 9.4h.UV index
In Zalău, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Zalău, Romania
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).
Average pressure in September
Zalău, Romania
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).
Average wind speed in September
Zalău, Romania
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (10.2km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Zalău, Romania
- Average humidity in September: 67%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Zalău, Romania
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Zalău, Romania
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in September
Zalău, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (173mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Zalău, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Zalău, Romania
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Zalău, Romania
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is August (21.5 days).
The month with the least sunshine days is May (7.1 days).
Average UV index in September
Zalău, Romania
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Zalău, Romania
- Average cloud cover in September: 28
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Zalău, Romania
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February and December (8km).
