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Kiev in September: Weather, Average temperature and Climate

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

Weather in Kiev in September 2025

OK Weather
Mild
🌧️
Rainy
If you plan to visit Kiev in September, the weather is typically alright, with an average high temperature of +66°F during the day and approximately 5 sunny days. Expect some rainy, though, as there are typically 14 rainy days in the month and around 56 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

☀️
+66°F
Avg. max. temperature
+25°F
Min.
+97°F
Max.
56 mm
Total precipitation
76%
Avg. humidity
2 m/s
Avg. wind
5 ☀️
Sunny Days
11 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Kiev has OK weather in September.
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Average temperature in Kiev in September

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

Going from a maximum of +82°F during the day to a minimum of +43°F during the night, the temperature in September averages around +75°F.

The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +75°F to +79°F.

Is Kiev warm or cold in September?

Kiev is typically mild in September.

Maximum temperatures go down compared to the previous month from +75°F to +66°F. The minimum temperature also goes down from +57°F to +48°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 Kiev:

Climate in Kiev in September

Kiev weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+75°F+66°F+54°F
Min. temperature
+39°F+25°F+12°F
Max. temperature
+99°F+97°F+79°F
Rainfall
59 mm56 mm42 mm
Wind
2 m/s2 m/s2 m/s
Humidity
71%76%80%
Air pressure
1013 HPa1015 HPa1018 HPa
Sunny days
754
Cloudy days
91114
Rainy days
151412
Snowy days
001

September typically has worse weather conditions compared to August. It’s getting colder in September. From +75°F in the day, the average maximum temperature lowers to +66°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 59 mm to 56 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 7 sunny days in August to 5 in September.

October brings much the same weather, it remains ok.

Wind

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

The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

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

Rain

Amount of rainfall in mm during September in Kiev based on historical data.
Last Year
Historical Data
Typically, there is a 20% chance of rain on an average day in September, with total rainfall of approximately 22 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. On average, there are about 6 rainy days during September, so prepare to bring an umbrella.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Kiev wettest month is July, where a typical day has a 61% chance of precipitation and 86 mm of rainfall per day. January, on the other hand, is the driest month with a mere 10% chance of precipitation and 9 mm of rainfall per day.

How was the weather last September in Kiev?

This is the weather in Kiev in September 2023:
1 September
☁️
+76°F
2 September
☁️
+75°F
3 September
☁️
+73°F
4 September
☁️
+75°F
5 September
☀️
+75°F
6 September
☁️
+76°F
7 September
☀️
+73°F
8 September
☀️
+73°F
9 September
☀️
+69°F
10 September
☀️
+69°F
11 September
☁️
+72°F
12 September
☀️
+78°F
13 September
☀️
+80°F
14 September
🌧️
+81°F
15 September
☁️
+66°F
16 September
☁️
+68°F
17 September
☀️
+75°F
18 September
☀️
+79°F
19 September
☀️
+78°F
20 September
☁️
+70°F
21 September
☁️
+76°F
22 September
☀️
+79°F
23 September
☀️
+80°F
24 September
☀️
+83°F
25 September
☀️
+80°F
26 September
☀️
+74°F
27 September
☀️
+74°F
28 September
☀️
+78°F
29 September
☀️
+78°F
30 September
☀️
+79°F
In September 2023 Kiev had 19 sunny days, 10 cloudy days, and 1 rainy days. The average maximum temperature was +75°F, with an absolute maximum of +82°F and a minimum of +66°F. The average humidity was 70%, with a maximum of 100% and a minimum of 33%. The average wind speed was 2 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1987 (+48°F) and the highest in 2020 (+58°F). The driest year was 2009 with only 328 mm of rainfall, and the wettest year was 2020 with 705 mm.

FAQ

Frequently asked questions about the weather in Kiev in September:

Is September a good time to visit Kiev?

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

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

Is Kiev rainy in September?

Kiev 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 Kiev in September?

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

Other cities in Ukraine

Check out the weather for other cities in Ukraine.

Monthly weather in Kiev

Source of the data

For this page, we’ve looked at the typical weather in Kiev, 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.