Usma Weather in September
Usma in September sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 66 mm (2.6 in) on average, so pack waterproofs just in case.
Rainfall in Usma in September
Rain is expected on roughly 16 days, totalling around 66 mm (2.6 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Usma in September
September in Usma sees highs of 18°C (64°F) and lows of 9°C (48°F) overnight. Conditions are often most pleasant around the middle of the day. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Latvia, check out our Usma's climate page.
Usma Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
54%
Precipitation
66 mm (2.6 in)
Rainy days
16 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Usma typically drop from around 18°C (64°F) at the start of September to approximately 14°C (57°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°F).
Average temperatures in September
Historical weather for Usma in September
Browse day-by-day weather records for Usma spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Usma historical weather extremes in September
According to our 49 years of weather records for Usma, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Usma reached 28°C (82°F) (September 4, 2024).
- The lowest daytime temperature in September was 7°C (45°F), recorded on September 30, 1993.
- The lowest overnight temperature recorded in September was -2°C (28°F) (September 28, 1986).
Best Places in Latvia in September
Find out more about the weather in Latvia and which places have the best travel conditions in this month. See all of Latvia in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Usma 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.What To Do in Usma 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 Latvia, check out our Usma's climate page.
See the full Usma climate overview or explore weather in Latvia.
