Finland · 1991–2020 normal

Klaukkala in
September.

Typical September weather in Klaukkala: 15.7°C by day, 7.7°C at night, 61 mm of rain over 9.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high15.7°C
Typical low7.7°C
Rain61 mm
Wet days9.2

In the year-round weather comparison, September scores 50 out of 100 (July leads the year at 85). Daylight is calculated as 12 h 46 from latitude 60.38°. Open-water sea temperature is 14.4°C (29 km from the place centre).

September at a glance

What is Klaukkala like in September?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Klaukkala hot in September?

Days are typically cool at 15.7°C, while nights average 7.7°C.

Does it rain much?

The measured monthly average is 61 mm across about 9 wet days.

How much daylight is there?

There are about 12 h 46 between sunrise and sunset at mid-month, calculated from the place latitude.

Is September a good time to visit?

September ranks 5 of 12 in our weather comparison; July ranks first.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 652305
NOAA station
FIE00142080 · VANTAA HELSINKI-VANTAAN LENTOA
Station distance
13.1 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

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The weather comparison for Klaukkala is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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