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Saaremaa in September 2026: weather, temperatures and activities

Do you want to visit Saaremaa in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Saaremaa, Estonia.

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Is it worth visiting Saaremaa in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Saaremaa.
What matters most?
Saaremaa in September 2026: weather, temperatures and activities

Page summary

Saaremaa in September in summary
Favourable weather
Min 14°C Max 16°C 87 mm 6 day(s) 82% 43% 20°C 11.0 h/day
Best activities in September
Hiking and trekkingCultural visits and heritage
Practical guidelines
Moderate crowds 05:59 18:49
Hourly weather

Average weather in Saaremaa in September 2026

Favourable weather

The weather in Saaremaa in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Saaremaa in September

Temperatures, precipitation and monthly trends help to better understand the climate in Saaremaa in September.

Temperatures and rain in Saaremaa in September

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Saaremaa in September

Seasonal normals

Seasonal normals of Saaremaa in September

Check the seasonal normals in Saaremaa in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 18.4°C 14.6°C 9.2°C
Maximum temperature 19.6°C 15.7°C 10.2°C
Minimum temperature 17.2°C 13.6°C 8.3°C
Record maximum temperature 28.0°C
(2014)
22.0°C
(2018)
15.0°C
(2011)
Record low temperature 11.0°C
(2021)
5.0°C
(2021)
0.0°C
(2014)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 26 day(s)
(84%)
7 day(s)
(23%)
0 day(s)
(0%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 19.9°C 16.5°C 11.2°C
Sea temperature (minimum) 16.7°C 13.4°C 7.0°C
Sea temperature (maximum) 22.8°C 20.1°C 15.6°C
Wind
Wind speed 21 km/h 24 km/h 26 km/h
Wind temperature 17.1°C 12.2°C 5.1°C
Precipitation (rain)
Precipitation 104.5 mm 86.7 mm 93.5 mm
Number of days with precipitation 17 day(s)
(55%)
15 day(s)
(50%)
19 day(s)
(61%)
Number of days with significant precipitation (greater than 5 mm) 8 day(s)
(24%)
6 day(s)
(20%)
6 day(s)
(20%)
Record precipitation in one day 41.7 mm
(2021)
30.1 mm
(2017)
41.8 mm
(2009)
Other weather data
Humidity 78% 82% 83%
Visibility 9.6 km 9.5 km 9.2 km
Cloud cover 34% 43% 56%
UV index 5 4 3
Daily sunshine 13h 11h 6h
Sunrise and sunset
Sunrise time 04h51 05h59 07h06
Sunset time 20h15 18h49 17h24
Day length 15h24 12h50 10h18
Our opinion on the climate in September
The review of Where And When favourable weather favourable weather adverse weather
Activities and events

What to do in Saaremaa in September?

Best activities in September
Hiking and trekkingCultural visits and heritage
Possible activities in September
Beach and swimmingAnimal observationNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Saaremaa in September last?

Find the observed weather calendar in Saaremaa in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
14°C17°C0.0 mm
2
Clear/Sunny
15°C19°C0.0 mm
3
Patchy rain nearby
17°C19°C0.0 mm
4
Clear/Sunny
15°C21°C0.0 mm
5
Clear/Sunny
16°C21°C0.0 mm
6
Clear/Sunny
16°C21°C0.0 mm
7
Partly Cloudy
17°C20°C1.2 mm
8
Clear/Sunny
17°C21°C0.0 mm
9
Clear/Sunny
16°C20°C0.0 mm
10
Clear/Sunny
17°C20°C0.1 mm
11
Clear/Sunny
17°C20°C0.2 mm
12
Light drizzle
15°C18°C2.9 mm
13
Patchy rain nearby
14°C18°C0.7 mm
14
Patchy rain nearby
14°C17°C1.8 mm
15
Patchy rain nearby
14°C17°C3.1 mm
16
Patchy rain nearby
14°C18°C1.8 mm
17
Light rain shower
14°C16°C4.1 mm
18
Patchy rain nearby
14°C16°C0.5 mm
19
Patchy rain nearby
14°C16°C0.3 mm
20
Partly Cloudy
17°C18°C0.0 mm
21
Clear/Sunny
16°C20°C0.1 mm
22
Light rain shower
13°C15°C0.7 mm
23
Partly Cloudy
10°C13°C0.4 mm
24
Patchy rain nearby
10°C12°C1.0 mm
25
Patchy rain nearby
10°C15°C0.1 mm
26
Clear/Sunny
12°C15°C0.0 mm
27
Partly Cloudy
12°C14°C0.0 mm
28
Clear/Sunny
11°C14°C0.0 mm
29
Clear/Sunny
9°C11°C0.0 mm
30
Clear/Sunny
8°C11°C0.0 mm
Nearby

Where to go near Saaremaa in September?

Compare cities and destinations near Saaremaa in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Saaremaa.

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Every month

Best time to visit Saaremaa month by month

Compare the weather in Saaremaa across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Saaremaa in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Saaremaa in September, which places this month 4th out of 12.

Expect an average of 16°C during the day and 14°C at night, with about 87 mm of precipitation spread over 6 rainy days.

The sea is only 17°C on average in September. Swimming is still possible, but it will be cool.

Expect about 11.0 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Hiking and trekking and Cultural visits and heritage. These are the ones for which the conditions on site are most favourable.

No: this month is in Moderate crowds, with a visitor index of 32/100. It is one of the quietest periods of the year.

The most favorable months in Saaremaa are: June, July, August and September. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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