Riihimäki weather in September (Southern Finland, Finland)

What can you expect from the weather in Riihimäki during September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Riihimäki generally has moderate temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 16°C. But by evening, they drop to around 7°C.

Riihimäki in September usually receives moderate rainfall, averaging around 59 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 18 days of the month will see rainfall.

The city usually sees around 151 hours of sunlight, indicating a moderately sunny period.

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 in September and which places have the best weather 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 Riihimäki in September?

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 in September.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.