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Piran weather in September

Weather in Piran: September

Average day temperature: 75.2°F
Average night temperature: 59.7°F
Sea water temperature: 74.0°F
Number of sunny days: 19 days
Day length: 11.8 - 13.3 hours
Number of rainy days: 7 days
Precipitation totals: 4.4 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 86°F. At the same time the lowest night temperature was 51°F. Day and night temperature averages during September were 78.4°F and 62.0°F.

Sea water temperature in Piran in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 75.5°F. The highest and lowest sea temperatures during the month were 78.1°F and 72.9°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 Piran in September is 4.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.7 mph

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: 8.6.

Best time for vacation in Piran

Sunniest months:
July 23 days
August 23 days
June 20 days
Warmest months:
July 85.2 °F
August 85.0 °F
June 80.4 °F
Warmest sea temp:
August 78.5 °F
July 78.1 °F
September 74.0 °F
Coldest months:
January 45.5 °F
December 47.8 °F
February 48.4 °F
Rainiest months:
November 7 days
May 7 days
September 7 days
Windiest months:
February 6.6 mph
March 6.4 mph
November 6.3 mph

Piran on a weather map

Piran
+54°F
W 4 mph
Feels like: +54°F
Precip.: 0%
Places in Slovenia:
Name
°F
+41°F
+48°F
+52°F
+54°F
+45°F
+45°F
+45°F
+54°F
+54°F
+50°F
+54°F
+45°F
24 Hours Forecast
Piran
Local time: 06:59
April 29, monday
0900
68°F
SE
2 mph
1200
72°F
E
4 mph
1500
72°F
E
5 mph
1800
66°F
SW
1 mph
2100
55°F
W
3 mph
April 30, tuesday
0000
54°F
W
4 mph
0300
54°F
W
4 mph
0600
55°F
W
4 mph
Units of measurement: °C / °F