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Municipiul Constanţa (Constanţa)
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Weather in Municipiul Constanţa for September 2025

Your guide to Municipiul Constanţa weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Municipiul Constanţa has been nearly identical to the historical average, with a temperature of 25.4 °C (showing only a slight deviation of -0.1 °C).

  • Expect cooler weather in the next days in Municipiul Constanţa with the forecast suggesting a temperature of 21.8 °C, lower than the historical average.

  • In general, the average temperature in Municipiul Constanţa at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of September.

    • Rain 🌧️

  • Municipiul Constanţa experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 31.8 mm.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/17°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Municipiul Constanţa Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
29°
2
Sunny
27°
3
Partly cloudy
26°
4
Sunny
26°
5
Moderate rain at times
25°
6
Patchy rain possible
24°
7
Sunny
25°
8
Sunny
25°
9
Sunny
25°
10
Partly cloudy
24°
11
Patchy rain possible
25°
12
Partly cloudy
25°
13
Partly cloudy
24°
14
Sunny
26°
15
Partly cloudy
26°
16
Patchy rain possible
25°
17
Moderate rain
24°
18
Patchy rain possible
22°
19
Sunny
23°
20
Sunny
22°
21
Sunny
23°
22
Sunny
23°
23
Sunny
24°
24
Sunny
25°
25
Sunny
26°
26
Patchy rain possible
19°
27
Patchy rain possible
18°
28
Partly cloudy
17°
29
Partly cloudy
17°
30
Sunny
22°

Temperatures trend during September in Municipiul Constanţa

See the weather trend as well as the moving average line

September weather in Municipiul Constanţa day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 29° /19° 0.3 mm 7
2 Sept. Sunny
Sunny
 27° /20° 0.6 mm 7
3 Sept. Partly cloudy
Partly cloudy
 26° /18° 10.7 mm 6
4 Sept. Sunny
Sunny
 26° /17° 0.1 mm 7
5 Sept. Moderate rain at times
Moderate rain at times
 25° /17° 0.7 mm 6
6 Sept. Patchy rain possible
Patchy rain possible
 24° /17° 1.2 mm 5
7 Sept. Sunny
Sunny
 25° /17° 0.5 mm 6
8 Sept. Sunny
Sunny
 25° /17° 0.5 mm 6
9 Sept. Sunny
Sunny
 25° /17° 0 mm 7
10 Sept. Partly cloudy
Partly cloudy
 24° /18° 0.3 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 25° /17° 1.9 mm 6
12 Sept. Partly cloudy
Partly cloudy
 25° /17° 1.3 mm 6
13 Sept. Partly cloudy
Partly cloudy
 24° /17° 0.2 mm 6
14 Sept. Sunny
Sunny
 26° /17° 0.4 mm 6
15 Sept. Partly cloudy
Partly cloudy
 26° /17° 0.1 mm 7
16 Sept. Patchy rain possible
Patchy rain possible
 25° /18° 0.2 mm 6
17 Sept. Moderate rain
Moderate rain
 24° /16° 16 mm 0.8
18 Sept. Patchy rain possible
Patchy rain possible
 22° /15° 0.1 mm 1.2
19 Sept. Sunny
Sunny
 23° /15° 0 mm 1.3
20 Sept. Sunny
Sunny
 22° /18° 0 mm 1.7
21 Sept. Sunny
Sunny
 23° /18° 0 mm 5
22 Sept. Sunny
Sunny
 23° /20° 0 mm 6
23 Sept. Sunny
Sunny
 24° /19° 0 mm 6
24 Sept. Sunny
Sunny
 25° /20° 0 mm 6
25 Sept. Sunny
Sunny
 26° /20° 0 mm 6
26 Sept. Patchy rain possible
Patchy rain possible
 19° /17° 1.3 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 18° /17° 0.4 mm 4
28 Sept. Partly cloudy
Partly cloudy
 17° /15° 0 mm 5
29 Sept. Partly cloudy
Partly cloudy
 17° /13° 0 mm 4
30 Sept. Sunny
Sunny
 22° /14° 1.6 mm 5
Next
Important Notice
Our weather forecast for Municipiul Constanţa in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Municipiul Constanţa forecast closer to your planned date for the most up-to-date weather information.
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Municipiul Constanţa in September - FAQ

What are the expected maximum and minimum temperatures in Municipiul Constanţa during September?
During September, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Municipiul Constanţa during September?
In September, Municipiul Constanţa can expect light to moderate rainfall, totaling 31.8 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Municipiul Constanţa during September?
The average wind speed in Municipiul Constanţa during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

Municipiul Constanţa water temperatures in September

The average water temperature of the Black Sea near Municipiul Constanţa in September is 22.3 °C. At the beginning of September temperatures are around 22.4 °C; by the end of the month they get a bit cooler and reach 21.7 °C.

What is the water temperature in Municipiul Constanţa in September?
The average water temperature in Municipiul Constanţa in September is 22.3 °C.
Can you swim in Municipiul Constanţa in September?
Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.

September rainfall patterns in Municipiul Constanţa

Explore the daily rainfall trends and prepare for Municipiul Constanţas September weather 💧

UV exposure in Municipiul Constanţa during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Municipiul Constanţa?

Get accurate weather forecasts for Municipiul Constanţa, located at latitude 44.181 and longitude 28.634. Stay updated with localized weather information tailored for Municipiul Constanţa.

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