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Sinaia weather in September

Weather in Sinaia: September

Average day temperature: 65.1°F
Average night temperature: 51.3°F
Number of sunny days: 17 days
Day length: 11.8 - 13.3 hours
Number of rainy days: 3 days
Precipitation totals: 2.0 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 80°F. At the same time the lowest night temperature was 37°F. Daily and nightly averages during September were 64.6°F and 50.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Sinaia in September is 2.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 3.6 mph The wind's strength is relatively same during the whole year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.3.

Best time for vacation in Sinaia

Sunniest months:
August 19 days
October 18 days
September 17 days
Warmest months:
August 74.1 °F
July 73.0 °F
June 68.3 °F
Coldest months:
January 32.2 °F
February 34.9 °F
December 35.5 °F
Rainiest months:
June 13 days
May 12 days
July 10 days
Windiest months:
April 4.7 mph
March 4.5 mph
December 4.4 mph

Sinaia on a weather map

Sinaia
+39°F
W 6 mph
Feels like: +36°F
Precip.: 100%
Places in Romania:
Name
°F
+41°F
+52°F
+36°F
+50°F
+43°F
+54°F
+54°F
+55°F
+41°F
+39°F
+41°F
+54°F
+45°F
24 Hours Forecast
Sinaia
Local time: 08:18
December 05, friday
0900
39°F
W
6 mph
1200
41°F
W
7 mph
1500
41°F
W
6 mph
1800
41°F
W
5 mph
2100
37°F
W
4 mph
December 06, saturday
0000
36°F
W
4 mph
0300
36°F
W
2 mph
0600
34°F
SW
3 mph
Units of measurement: °C / °F