Riihimäki weather in September (Southern Finland, Finland)

Is September a good time to explore Riihimäki weather-wise? Use this page to get an overview of the month’s weather conditions.

Temperatures

Typically, September in Riihimäki includes moderate temperatures and moderate rainfall. Daytime temperatures generally settle around 16°C, while nighttime can see a dip to about 7°C.

Precipitation

Riihimäki in September usually receives moderate rainfall, averaging around 59 mm for the month. This month experiences about 18 days of rain according to historical data.

Average sunshine

The area enjoys a moderate level of sunlight, with around 151 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and moderate temperatures June, July and August generally stand out with the best circumstances. While January, February, March, April, October, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Riihimäki climate page with graphs.

 

Riihimäki, monthly averages in September

Min Temperature 7°C  

Max Temperature 16°C  

Chance of Rain 59%  

Precipitation 59 mm  

Rainy days 18 days  

Humidity 84% *  

Sunshine 151 hours *  

Percentage Sunshine *  

Data from: Helsinki, Finland (48 KM, 29 Miles).

Where to go in Finland in September

Find out more about the weather in Finland and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Riihimäki.

Our site offers climate and forecast data for every country in the world. Are you going to Finland? On this website you can find historical weather averages for many cities in Finland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.