Harghita (Miercurea-Ciuc)
September
Weather in Harghita for September 2025
Your guide to Harghita weather in September - trends and predictions
Until now, September 2025 in Harghita has been nearly identical to the historical average, with a temperature of 24.1 °C (showing only a slight deviation of 0.4 °C).
Expect cooler weather in the next days in Harghita with the forecast suggesting a temperature of 20.1 °C, lower than the historical average.
In general, the average temperature in Harghita at the beginning of September is 24.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18 °C by the end of September.
Harghita experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 36.2 mm.
Temperatures
Rain 🌧️
20
Dry days
10
Rainy days
0
Snow days
22°/7°
Temperatures
13 km/h
Avg max wind
62 %
Avg humidity
Harghita Weather September
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What’s the Weather Like in Harghita This September?
Discover the average temperatures and weather trends across Harghita’s cities this September.
Temperatures trend during September in Harghita
See the weather trend as well as the moving average line
September weather in Harghita day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 22° /9° | 1.3 mm | 5 | |
| 2 Sept. |  Sunny | 27° /8° | 0 mm | 7 | |
| 3 Sept. | Sunny | 27° /10° | 1.5 mm | 6 | |
| 4 Sept. | Light rain shower | 24° /9° | 1.8 mm | 6 | |
| 5 Sept. |  Partly cloudy | 24° /8° | 0 mm | 6 | |
| 6 Sept. | Sunny | 25° /9° | 0 mm | 6 | |
| 7 Sept. | Sunny | 24° /8° | 0 mm | 6 | |
| 8 Sept. | Sunny | 24° /7° | 0 mm | 6 | |
| 9 Sept. | Sunny | 25° /7° | 0.3 mm | 7 | |
| 10 Sept. |  Overcast | 24° /7° | 0.4 mm | 5 | |
| 11 Sept. |  Thundery outbreaks possible | 21° /7° | 0.9 mm | 5 | |
| 12 Sept. | Thundery outbreaks possible | 21° /9° | 2.4 mm | 5 | |
| 13 Sept. | Sunny | 24° /8° | 1.1 mm | 6 | |
| 14 Sept. | Partly cloudy | 20° /7° | 3.6 mm | 5 | |
| 15 Sept. | Overcast | 20° /7° | 0 mm | 5 | |
| 16 Sept. | Sunny | 24° /4° | 0 mm | 1.4 | |
| 17 Sept. |  Moderate rain | 13° /7° | 12.4 mm | 0.2 | |
| 18 Sept. | Patchy rain possible | 15° /3° | 0.1 mm | 0.9 | |
| 19 Sept. | Sunny | 20° /2° | 0 mm | 1.7 | |
| 20 Sept. | Sunny | 23° /6° | 0 mm | 4 | |
| 21 Sept. | Sunny | 25° /8° | 0 mm | 4 | |
| 22 Sept. | Sunny | 26° /7° | 0 mm | 5 | |
| 23 Sept. | Sunny | 26° /11° | 0 mm | 5 | |
| 24 Sept. | Sunny | 26° /12° | 0 mm | 5 | |
| 25 Sept. | Sunny | 26° /12° | 0 mm | 5 | |
| 26 Sept. | Patchy rain possible | 10° /7° | 3 mm | 2 | |
| 27 Sept. | Sunny | 15° /4° | 0 mm | 3 | |
| 28 Sept. | Sunny | 18° /5° | 0 mm | 4 | |
| 29 Sept. | Partly cloudy | 15° /4° | 0 mm | 3 | |
| 30 Sept. | Sunny | 16° /5° | 7.2 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Harghita 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 Harghita forecast closer to your planned date for the most up-to-date weather information.
Change Month
Harghita in September - FAQ
What are the expected maximum and minimum temperatures in Harghita during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harghita during September?
In September, Harghita can expect light to moderate rainfall, totaling 36.2 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Harghita during September?
The average wind speed in Harghita during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Harghita
Explore the daily rainfall trends and prepare for Harghitas September weather 💧
UV exposure in Harghita during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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