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Sarajevo in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Sarajevo in September will be like? Take a look at our weather guide for Sarajevo, based on historical data.
Check flight prices to Sarajevo on Avionero:
September

Weather in Sarajevo in September 2025

OK Weather
Mild
🌧️
Rainy
If you plan to visit Sarajevo in September, the weather is typically alright, with an average high temperature of +72°F during the day and approximately 9 sunny days. Expect some rainy, though, as there are typically 12 rainy days in the month and around 76 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

☀️
+72°F
Avg. max. temperature
+32°F
Min.
+97°F
Max.
76 mm
Total precipitation
76%
Avg. humidity
2 m/s
Avg. wind
9 ☀️
Sunny Days
7 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Sarajevo has OK weather in September.

Average temperature in Sarajevo in September

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

Going from a maximum of +91°F during the day to a minimum of +52°F during the night, the temperature in September averages around +81°F.

The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +79°F to +77°F.

Is Sarajevo warm or cold in September?

Sarajevo is typically mild in September.

Maximum temperatures go down compared to the previous month from +81°F to +72°F. The minimum temperature also goes down from +59°F to +52°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 Sarajevo:

Climate in Sarajevo in September

Sarajevo weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+81°F+72°F+64°F
Min. temperature
+43°F+32°F+18°F
Max. temperature
+102°F+97°F+82°F
Rainfall
67 mm76 mm80 mm
Wind
2 m/s2 m/s3 m/s
Humidity
71%76%81%
Air pressure
1016 HPa1017 HPa1019 HPa
Sunny days
1098
Cloudy days
4711
Rainy days
121211
Snowy days
001

September typically has worse weather conditions compared to August. It’s getting colder in September. From +81°F in the day, the average maximum temperature lowers to +72°F. Prepare for more rain. Average rainfall goes from 67 mm to 76 mm. Humidity rises from 71% to 76%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 10 sunny days in August to 9 in September.

October brings much the same weather, it remains ok.

Wind

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

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Sarajevo is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Sarajevo based on historical data.
Last Year
Historical Data
Typically, there is a 37% chance of rain on an average day in September, with total rainfall of approximately 74 mm. The maximum amount of rainfall per day is around 23 mm, which is considered light rain. September is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Sarajevo wettest month is May, where a typical day has a 55% chance of precipitation and 98 mm of rainfall per day. January, on the other hand, is the driest month with a mere 16% chance of precipitation and 49 mm of rainfall per day.

How was the weather last September in Sarajevo?

This is the weather in Sarajevo in September 2023:
1 September
☀️
+80°F
2 September
☀️
+85°F
3 September
☀️
+84°F
4 September
🌧️
+69°F
5 September
☁️
+70°F
6 September
☀️
+81°F
7 September
☀️
+81°F
8 September
☀️
+83°F
9 September
☀️
+85°F
10 September
☀️
+85°F
11 September
☀️
+88°F
12 September
☀️
+92°F
13 September
☀️
+89°F
14 September
🌧️
+79°F
15 September
🌧️
+76°F
16 September
☁️
+78°F
17 September
☀️
+82°F
18 September
☀️
+86°F
19 September
☀️
+86°F
20 September
☀️
+82°F
21 September
☀️
+81°F
22 September
☀️
+86°F
23 September
☀️
+84°F
24 September
🌧️
+64°F
25 September
🌧️
+61°F
26 September
☀️
+77°F
27 September
☀️
+78°F
28 September
☀️
+79°F
29 September
☀️
+77°F
30 September
☀️
+78°F
In September 2023 Sarajevo had 23 sunny days, 2 cloudy days, and 5 rainy days. The average maximum temperature was +81°F, with an absolute maximum of +91°F and a minimum of +61°F. The average humidity was 72%, with a maximum of 100% and a minimum of 23%. The average wind speed was 1 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1980 (+58°F) and the highest in 2023 (+65°F). The driest year was 2011 with only 541 mm of rainfall, and the wettest year was 2014 with 1258 mm.

FAQ

Frequently asked questions about the weather in Sarajevo in September:

Is September a good time to visit Sarajevo?

It’s always a good time to visit Sarajevo, 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 Sarajevo in September?

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

Is Sarajevo rainy in September?

Sarajevo 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 Sarajevo in September?

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

Other cities in Bosnia and Herzegovina

Check out the weather for other cities in Bosnia and Herzegovina.

Monthly weather in Sarajevo

Source of the data

For this page, we’ve looked at the typical weather in Sarajevo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

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.