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Istria weather in September

Weather in Istria: September

Average day temperature: 74.2°F
Average night temperature: 66.3°F
Sea water temperature: 73.4°F
Number of sunny days: 20 days
Day length: 11.8 - 13.3 hours
Number of rainy days: 7 days
Precipitation totals: 4.0 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 81°F. At the same time the lowest night temperature was 60°F. Day and night temperature averages during September were 76.8°F and 67.2°F.

Sea water temperature in Istria in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 75.2°F. The highest and lowest sea temperatures during the month were 78.3°F and 72.5°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 Istria in September is 4.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.9 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: 8.9.

Best time for vacation in Istria

Sunniest months:
July 24 days
August 24 days
June 22 days
Warmest months:
August 82.2 °F
July 81.5 °F
June 76.5 °F
Warmest sea temp:
August 78.0 °F
July 77.3 °F
September 73.4 °F
Coldest months:
January 47.5 °F
February 49.1 °F
December 50.5 °F
Rainiest months:
September 7 days
November 7 days
May 6 days
Windiest months:
February 8.6 mph
November 8.4 mph
March 8.1 mph

Istria on a weather map

Istria
+59°F
N 11 mph
Feels like: +55°F
Precip.: 100%
Places in Croatia:
Name
°F
+59°F
+59°F
+61°F
+57°F
+59°F
+59°F
+63°F
+52°F
+57°F
+52°F
+59°F
+59°F
+52°F
+57°F
+61°F
24 Hours Forecast
Istria
Local time: 08:32
April 27, saturday
0900
59°F
N
11 mph
1200
61°F
NE
8 mph
1500
61°F
NE
6 mph
1800
59°F
N
7 mph
2100
54°F
W
7 mph
April 28, sunday
0000
54°F
W
6 mph
0300
54°F
W
7 mph
0600
54°F
W
5 mph

Best place for vacation:

Units of measurement: °C / °F