Weather forecast Helsinki 20-09-2025
Weather Saturday 20 September temperature from 10 °C to 17 °C, cloud cover up to 100%, precipitation is expected with a 100% chance, wind up to 8.5 m/s (gusts up to 13.14 m/s), air humidity from 60% to 96%, atmospheric pressure from 752 to 756 mm Hg, UV Index to 1.7 during the day. Forecast for the next days on the table.
Sunrise 06:51
Sunset 19:37
Sunset 19:37
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Cloudy | 12 °C | 0% | 76% | 90% | 756 mm Hg | WSW 3.11 m/s | 0 |
| 01:00 | Cloudy | 13 °C | 0% | 83% | 90% | 755 mm Hg | SW 2.89 m/s | 0 |
| 02:00 |  Partly cloudy | 13 °C | 0% | 57% | 92% | 755 mm Hg | SSW 4.69 m/s | 0 |
| 03:00 |  Light drizzle | 14 °C | 100% (0.24 mm/hr) | 87% | 94% | 754 mm Hg | SSW 5.81 m/s | 0 |
| 04:00 | Light drizzle | 14 °C | 100% (0.22 mm/hr) | 100% | 96% | 753 mm Hg | SW 6.81 m/s | 0 |
| 05:00 |  Patchy rain possible | 16 °C | 100% (0.09 mm/hr) | 86% | 88% | 752 mm Hg | WSW 7.61 m/s | 0 |
| 06:00 | Patchy rain possible | 15 °C | 69% (0.03 mm/hr) | 84% | 85% | 752 mm Hg | WSW 8.31 m/s | 0 |
| 07:00 | Patchy rain possible | 15 °C | 85% (0.03 mm/hr) | 79% | 82% | 752 mm Hg | W 8.5 m/s | 0 |
| 08:00 |  Patchy rain possible | 15 °C | 82% (0.01 mm/hr) | 77% | 78% | 752 mm Hg | W 8.5 m/s | 0 |
| 09:00 |  Partly cloudy | 15 °C | 0% | 43% | 78% | 752 mm Hg | W 7.61 m/s | 0.2 |
| 10:00 | Partly cloudy | 16 °C | 0% | 37% | 73% | 752 mm Hg | W 7.61 m/s | 0.1 |
| 11:00 |  Sunny | 16 °C | 0% | 25% | 69% | 752 mm Hg | W 7.11 m/s | 0.4 |
| 12:00 | Sunny | 17 °C | 0% | 9% | 63% | 752 mm Hg | W 7.19 m/s | 1.1 |
| 13:00 | Sunny | 17 °C | 0% | 13% | 60% | 752 mm Hg | W 6.81 m/s | 1.7 |
| 14:00 | Sunny | 17 °C | 0% | 8% | 61% | 753 mm Hg | W 7 m/s | 0.6 |
| 15:00 | Sunny | 16 °C | 0% | 21% | 62% | 753 mm Hg | W 7.39 m/s | 0.5 |
| 16:00 | Sunny | 16 °C | 0% | 11% | 64% | 753 mm Hg | W 7.31 m/s | 0.2 |
| 17:00 | Sunny | 15 °C | 0% | 4% | 67% | 753 mm Hg | W 7.11 m/s | 0.2 |
| 18:00 | Sunny | 14 °C | 0% | 11% | 70% | 754 mm Hg | WNW 6.31 m/s | 0.1 |
| 19:00 | Partly cloudy | 13 °C | 0% | 32% | 72% | 755 mm Hg | WNW 5.61 m/s | 0 |
| 20:00 | Partly cloudy | 12 °C | 0% | 29% | 74% | 755 mm Hg | WNW 4.89 m/s | 0 |
| 21:00 | Partly cloudy | 11 °C | 0% | 32% | 76% | 756 mm Hg | WNW 4.5 m/s | 0 |
| 22:00 |  Clear | 11 °C | 0% | 3% | 78% | 756 mm Hg | WNW 4.31 m/s | 0 |
| 23:00 | Clear | 10 °C | 0% | 3% | 80% | 756 mm Hg | WNW 3.61 m/s | 0 |
