10-day forecast — Helsinki
Refreshed hourly
Thu · Today · 12 Nov
Showers
6°
4°
0.15 in
Wind14 mph S
Gusts27 mph
UV index0 – Low
Precip chance86%
Sunrise8:11 AM
Sunset3:56 PM
Fri · Tomorrow · 13 Nov
Heavy snow
5°
1°
0.59 in
Wind16 mph SE
Gusts29 mph
UV index0 – Low
Precip chance92%
Sunrise8:14 AM
Sunset3:54 PM
Saturday · 14 Nov
Light snow
2°
1°
0.02 in
Wind15 mph NW
Gusts33 mph
UV index0 – Low
Precip chance45%
Sunrise8:16 AM
Sunset3:52 PM
Sunday · 15 Nov
Showers
8°
3°
0.02 in
Wind16 mph SW
Gusts32 mph
UV index2 – Low
Precip chance49%
Sunrise8:19 AM
Sunset3:50 PM
Monday · 16 Nov
Showers
7°
5°
0.26 in
Wind16 mph S
Gusts31 mph
UV index2 – Low
Precip chance88%
Sunrise8:22 AM
Sunset3:47 PM
Tuesday · 17 Nov
Showers
6°
6°
0.34 in
Wind15 mph S
Gusts31 mph
UV index2 – Low
Precip chance89%
Sunrise8:24 AM
Sunset3:45 PM
Wednesday · 18 Nov
Drizzle
8°
6°
0.37 in
Wind17 mph SW
Gusts39 mph
UV index2 – Low
Precip chance88%
Sunrise8:27 AM
Sunset3:43 PM
Thursday · 19 Nov
Light rain
6°
5°
0.71 in
Wind13 mph SW
Gusts29 mph
UV index2 – Low
Precip chance93%
Sunrise8:29 AM
Sunset3:41 PM
Friday · 20 Nov
Showers
5°
4°
0.11 in
Wind13 mph S
Gusts27 mph
UV index2 – Low
Precip chance78%
Sunrise8:31 AM
Sunset3:39 PM
Saturday · 21 Nov
Showers
4°
2°
0.17 in
Wind6 mph SW
Gusts25 mph
UV index1 – Low
Precip chance82%
Sunrise8:34 AM
Sunset3:37 PM
Sunday · 22 Nov
Showers
4°
1°
0.04 in
Wind6 mph SW
Gusts22 mph
UV index1 – Low
Precip chance70%
Sunrise8:36 AM
Sunset3:35 PM
Monday · 23 Nov
Drizzle
5°
1°
0.23 in
Wind10 mph S
Gusts27 mph
UV index1 – Low
Precip chance91%
Sunrise8:39 AM
Sunset3:34 PM
Tuesday · 24 Nov
Drizzle
5°
3°
0.53 in
Wind9 mph S
Gusts26 mph
UV index2 – Low
Precip chance95%
Sunrise8:41 AM
Sunset3:32 PM
Wednesday · 25 Nov
Showers
5°
3°
0.10 in
Wind10 mph S
Gusts23 mph
UV index1 – Low
Precip chance79%
Sunrise8:43 AM
Sunset3:30 PM
About Helsinki
CountryFinland
RegionUusimaa
Population658,864
ContinentEurope
Time zoneEurope/Helsinki (+02:00)
Latitude60.1700°
Longitude24.9380°
Air QualityGood (AQI 30)
Details & indices
Wind
14 mph S
Gusts 26 mph
Humidity
81%
Dew point 2°
Pressure
29.32 inHg
Falling
UV index
0 — Low
High today
Air Quality
Good
AQI 30 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise8:11 AM
Sunset3:56 PM
Length of day7h 45m
Moonrise1:16 PM
Moonset4:33 PM
Moon phase🌔 Waxing Crescent
Local time10:21 PM (+02:00)
Helsinki climate in September
8-year averages · when to visitBest months: June–August · September: Acceptable
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 17°C | 13°C | ▼ 8°C |
| Typical high | ▼ 20°C | 16°C | ▼ 10°C |
| Typical low | ▼ 14°C | 10°C | ▼ 5°C |
| Water temperature | ▼ 20.0°C | 16.9°C | ▼ 11.0°C |
| Precipitation | ▼ 87 mm | 78 mm | ▲ 83 mm |
| Wet days | ▼ 13 d | 12 d | ▲ 14 d |
| Humidity | ▲ 78% | 83% | → 83% |
| Sunshine per day | ▼ 11.3 h | 8.6 h | ▼ 4.9 h |
| Cloud cover | ▲ 27% | 33% | ▲ 51% |
| Midday UV | ▼ 6 | 4 | ▼ 2 |
| Daylight | 15:36 | 12:52 | 10:06 |
| Our take | Good | Acceptable | Poor |
September temperatures day by day daily mean + smoothed trend · °C
September precipitation day by day mm
September UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 10:21 PM
Helsinki, Finland · 60.17°N, 24.94°E · Europe/Helsinki · Forecast computed for these exact coordinates