September weather forecastSinaia, Romania
September
Weather in September
In September, Sinaia starts to witness the first signs of autumn, with temperatures dropping to an average of 16°C (60.8°F). As the city inches towards the colder end of the year, the rainfall drops further to 69mm (2.72"). The weather becomes noticeably crisper, offering a fresh perspective for sightseers. Unlike the heatwave in August, September’s temperatures and declining daylight hours bring a pleasant change in the cityscape. The weather change continues in October, with progressively cooler temperatures and less rainfall.Temperature
As September arrives, Sinaia's weather displays a minor decrease in high-temperatures, transitioning from August's refreshing 19°C (66.2°F) to a still comfortable 16°C (60.8°F). Sinaia experiences a nighttime temperature average of 5°C (41°F) during September.Rainfall
In Sinaia, in September, it is raining for 10 days, with typically 69mm (2.72") of accumulated precipitation. In Sinaia, Romania, during the entire year, the rain falls for 178 days and collects up to 939mm (36.97") of precipitation.Daylight
The average length of the day in September in Sinaia, Romania, is 12h and 32min.On the first day of the month, sunrise is at 06:39 and sunset at 19:55. On the last day of September, sunrise is at 07:15 and sunset at 18:59 EEST.
Sunshine
The months with the most sunshine in Sinaia are June through September, with an average of 6h of sunshine.UV index
In September, the average daily maximum UV index in Sinaia, Romania, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sinaia, Romania
- Average high temperature in September: 16°C
The warmest months (with the highest average high temperature) are July and August (19°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 5°C
The months with the highest average low temperature are July and August (8°C).
The coldest month (with the lowest average low temperature) is January (-10°C).
Average rainfall in September
Sinaia, Romania
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is June (138mm).
The driest month (with the least rainfall) is March (48mm).
Average rainfall days in September
Sinaia, Romania
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are September and October (10 days).
Average daylight in September /
Average sunshine in September
Sinaia, Romania
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 6h
The months with the most sunshine are June, July, August and September (Average sunshine: 6h).
The month with the least sunshine is December (Average sunshine: 2h).
Average UV index in September
Sinaia, Romania
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).





