Daytime highs, nighttime lows and the warmest cities in Harjumaa, Estonia this September.
Harjumaa, Estonia, a region in Estonia, typically experiences mild weather in September, with maximum daytime temperatures around 17°C (63°F) and nighttime temperatures around 9°C (48°F) in Tallinn.
Curious about the September temperatures in the prime spots of Harjumaa? Navigate the map below and tap on a destination dot for more detailed stats.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Harjumaa.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Pick a city to see its September weather averages.
Drill down to September weather for any region in Estonia.
Expect daytime temperatures around 17°C (63°F) in Tallinn. That makes September a moderate month for Harjumaa, Estonia.
After dark, Tallinn cools to about 9°C (48°F) on an average September night.
Most areas experience a moderate amount of sunshine, with approximately 163 hours of sunlight expected in Tallinn. This makes it neither too gloomy nor overly bright.
We have much more information about the climate in Harjumaa.
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