Kohtla-Järve Weather in September
September in Kohtla-Järve brings moderate temperatures around 17°C (63°F) during the day, dropping to 9°C (48°F) at night, with quite a bit of rainfall expected, averaging around 65 mm (2.6 in) for the month.
Rainfall in Kohtla-Järve in September
The climate data from previous years indicates about 16 days of rain, averaging 65 mm (2.6 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Kohtla-Järve in September
Temperatures in Kohtla-Järve in September top out at 17°C (63°F) and drop to 9°C (48°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Kohtla-Järve in September
With about 135 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Kohtla-Järve.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Kohtla-Järve's climate page.
Kohtla-Järve Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
17°C (63°F)
Chance of Rain
54%
Precipitation
65 mm (2.6 in)
Rainy days
16 days
Humidity
83% *
Sunshine
135 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kohtla-Järve typically drop from around 17°C (63°F) at the start of September to approximately 12°C (54°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Kohtla-Järve in September
Browse day-by-day weather records for Kohtla-Järve spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kohtla-Järve historical weather extremes in September
According to our 49 years of weather records for Kohtla-Järve, the following extremes were recorded between 1976 and 2025.
- On September 1, 1992, temperatures climbed to 30°C (86°F), marking the warmest September day on record.
- Kohtla-Järve experienced its chilliest September day on September 27, 1986, reaching only 3°C (37°F).
- The coldest night in September in Kohtla-Järve was on September 26, 1993, with a minimum of -5°C (23°F).
Best Places in Estonia in September
Find out more about the weather in Estonia and which places have the best travel conditions in this month. See all of Estonia in September →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Kohtla-Järve in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Kohtla-Järve in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Kohtla-Järve's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kohtla-Järve climate overview or explore weather in Estonia.
