10-day forecast — Helsinki
Refreshed hourly
Mon · Today · 28 Sep
Sunny
57°
48°
13%
Wind9 mph S
Gusts20 mph
UV index2 – Low
Precip chance13%
Sunrise7:19 AM
Sunset7:02 PM
Tue · Tomorrow · 29 Sep
Mostly cloudy
59°
53°
0.01 in
Wind11 mph SW
Gusts23 mph
UV index1 – Low
Precip chance44%
Sunrise7:21 AM
Sunset6:59 PM
Wednesday · 30 Sep
Fog
59°
49°
26%
Wind6 mph SE
Gusts12 mph
UV index0 – Low
Precip chance26%
Sunrise7:23 AM
Sunset6:56 PM
Thursday · 1 Oct
Partly cloudy
60°
51°
0.01 in
Wind6 mph SE
Gusts13 mph
UV index1 – Low
Precip chance33%
Sunrise7:26 AM
Sunset6:53 PM
Friday · 2 Oct
Sunny
60°
52°
12%
Wind9 mph SW
Gusts21 mph
UV index5 – Moderate
Precip chance12%
Sunrise7:28 AM
Sunset6:50 PM
Saturday · 3 Oct
Mostly cloudy
59°
53°
24%
Wind12 mph SW
Gusts25 mph
UV index5 – Moderate
Precip chance24%
Sunrise7:31 AM
Sunset6:47 PM
Sunday · 4 Oct
Mostly cloudy
54°
46°
15%
Wind7 mph SW
Gusts18 mph
UV index2 – Low
Precip chance15%
Sunrise7:33 AM
Sunset6:44 PM
Monday · 5 Oct
Mostly cloudy
57°
44°
0.03 in
Wind15 mph SW
Gusts30 mph
UV index4 – Moderate
Precip chance56%
Sunrise7:35 AM
Sunset6:41 PM
Tuesday · 6 Oct
Sunny
59°
47°
15%
Wind7 mph NW
Gusts20 mph
UV index5 – Moderate
Precip chance15%
Sunrise7:38 AM
Sunset6:38 PM
Wednesday · 7 Oct
Mostly cloudy
64°
50°
16%
Wind9 mph NW
Gusts28 mph
UV index5 – Moderate
Precip chance16%
Sunrise7:40 AM
Sunset6:35 PM
Thursday · 8 Oct
Sunny
60°
51°
11%
Wind11 mph NW
Gusts32 mph
UV index5 – Moderate
Precip chance11%
Sunrise7:43 AM
Sunset6:32 PM
Friday · 9 Oct
Sunny
54°
45°
10%
Wind7 mph NW
Gusts22 mph
UV index4 – Moderate
Precip chance10%
Sunrise7:45 AM
Sunset6:29 PM
Saturday · 10 Oct
Sunny
54°
47°
8%
Wind8 mph S
Gusts18 mph
UV index4 – Moderate
Precip chance8%
Sunrise7:48 AM
Sunset6:26 PM
Sunday · 11 Oct
Mostly cloudy
50°
46°
0.19 in
Wind11 mph S
Gusts20 mph
UV index3 – Moderate
Precip chance81%
Sunrise7:50 AM
Sunset6:23 PM
About Helsinki
CountryFinland
RegionUusimaa
Population658,864
ContinentEurope
Time zoneEurope/Helsinki (+03:00)
Latitude60.1700°
Longitude24.9380°
Air QualityGood (AQI 23)
Details & indices
Wind
5 mph SW
Gusts 6 mph
Humidity
93%
Dew point 48°
Pressure
30.45 inHg
Rising
UV index
2 — Low
High today
Air Quality
Good
AQI 23 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise7:19 AM
Sunset7:02 PM
Length of day11h 43m
Moonrise6:39 PM
Moonset9:53 AM
Moon phase🌔 Waning Gibbous
Local time5:27 AM (+03:00)
Helsinki climate in September
8-year averages · when to visitBest months: June–August · September: Acceptable
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 63°F | 55°F | ▼ 46°F |
| Typical high | ▼ 68°F | 61°F | ▼ 50°F |
| Typical low | ▼ 57°F | 50°F | ▼ 41°F |
| Water temperature | ▼ 68°F | 62°F | ▼ 52°F |
| Precipitation | ▼ 3.4 in | 3.1 in | ▲ 3.3 in |
| 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 · °F
September precipitation day by day in
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: 5:27 AM
Helsinki, Finland · 60.17°N, 24.94°E · Europe/Helsinki · Forecast computed for these exact coordinates