Estonia weather

Our guide to the weather in Estonia during September

16

Average high

3

UV Index

100mm

Monthly rainfall

79%

Humidity

We've looked at the most up-to-date weather data for Estonia, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Estonia weather in September.

What's the temperature like in Estonia during September?

The temperature reaches around 16℃ during the daytime in September, falling away to 10℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Estonia during September?

On average, there will be 7 rainy days during the month, amounting to 99.5mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Estonia during September?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during September. With moderate air temperatures, any breeze will feel cool.

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Weather in Estonia

Our month-by-month guide to the weather and climate in Estonia

-2.1

Estonia weather in

January
-1.7

Estonia weather in

February
1.2

Estonia weather in

March
6.9

Estonia weather in

April
13.4

Estonia weather in

May
18.0

Estonia weather in

June
21.3

Estonia weather in

July
20.5

Estonia weather in

August
15.5

Estonia weather in

September
9.1

Estonia weather in

October
4.6

Estonia weather in

November
0.4

Estonia weather in

December