Your trips
Organize your trips easily with tabs
New York
Pori
Any date
+ Search
background

Pori in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Pori in September and see if it is worth visiting.
Check flight prices to Pori on Avionero:
September

Weather in Pori in September 2024

OK Weather
Mild
🌧️
Rainy
If you plan to visit Pori in September, the weather is typically alright, with an average high temperature of +57°F during the day and approximately 3 sunny days. Expect some rainy, though, as there are typically 16 rainy days in the month and around 65 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+57°F
Avg. max. temperature
+27°F
Min.
+77°F
Max.
65 mm
Total precipitation
83%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
11 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Pori has OK weather in September.

Average temperature in Pori in September

Here are the expected maximum, average and minimum temperatures in Pori for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +64°F with a maximum of +72°F and a minimum of +37°F.

The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +64°F to +57°F.

Is Pori warm or cold in September?

Pori is typically mild in September.

Maximum temperatures go down compared to the previous month from +66°F to +57°F. The minimum temperature also goes down from +54°F to +46°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Pori:

Climate in Pori in September

Pori weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+66°F+57°F+46°F
Min. temperature
+37°F+27°F+5°F
Max. temperature
+90°F+77°F+68°F
Rainfall
83 mm65 mm61 mm
Wind
2 m/s3 m/s3 m/s
Humidity
80%83%85%
Air pressure
1011 HPa1011 HPa1010 HPa
Sunny days
532
Cloudy days
71112
Rainy days
191614
Snowy days
002

September weather is still as ok as in August. It’s getting colder in September. From +66°F in the day, the average maximum temperature lowers to +57°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 83 mm to 65 mm. Humidity rises from 80% to 83%. Winds are stronger in comparison to August, going up from 2 m/s to 3 m/s on average. The days becoming less sunny, going from 5 sunny days in August to 3 in September.

October brings much the same weather, it remains ok.

Wind

Wind speed in Pori in September based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Pori is gradually increasing during September, going from 2 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Pori based on historical data.
Last Year
Historical Data
Total precipitation in September is about 73 mm, with a 53% chance of rain on a typical day. The maximum amount of rainfall per day is around 10 mm, which is considered light rain. September is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Pori, here is a comparison with other months, total mm:
Pori wettest month is August, where a typical day has a 61% chance of precipitation and 83 mm of rainfall per day. February, on the other hand, is the driest month with a mere 3% chance of precipitation and 7 mm of rainfall per day.

How was the weather last September in Pori?

This is the weather in Pori in September 2023:
1 September
🌧️
+65°F
2 September
🌧️
+64°F
3 September
☁️
+63°F
4 September
☁️
+66°F
5 September
☀️
+65°F
6 September
☁️
+60°F
7 September
☁️
+66°F
8 September
☀️
+69°F
9 September
☀️
+71°F
10 September
☁️
+72°F
11 September
☁️
+67°F
12 September
☁️
+68°F
13 September
☀️
+62°F
14 September
☀️
+60°F
15 September
☁️
+61°F
16 September
☁️
+64°F
17 September
☀️
+58°F
18 September
☀️
+59°F
19 September
☀️
+63°F
20 September
🌧️
+60°F
21 September
☀️
+68°F
22 September
☀️
+71°F
23 September
☁️
+63°F
24 September
🌧️
+58°F
25 September
☀️
+61°F
26 September
☁️
+61°F
27 September
🌧️
+64°F
28 September
☁️
+62°F
29 September
☁️
+61°F
30 September
🌧️
+58°F
In September 2023 Pori had 11 sunny days, 13 cloudy days, and 6 rainy days. The average maximum temperature was +64°F, with an absolute maximum of +72°F and a minimum of +57°F. The average humidity was 86%, with a maximum of 100% and a minimum of 56%. The average wind speed was 3 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Pori climate has changed over the last 43 years.

The climate in Pori in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1987 (+43°F) and the highest in 2020 (+52°F). The driest year was 2002 with only 323 mm of rainfall, and the wettest year was 2020 with 874 mm.

FAQ

Frequently asked questions about the weather in Pori in September:

Is September a good time to visit Pori?

It’s always a good time to visit Pori, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Pori in September?

September has mild temperatures in Pori. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Pori rainy in September?

Pori is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Pori in September?

Usually, it’s not very sunny in Pori in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Finland

Check out the weather for other cities in Finland.

Monthly weather in Pori

Source of the data

For this page, we’ve looked at the typical weather in Pori, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.