The month in detail
What to expect in September
Autumn in Riga is often underrated: 18°C, golden light and declining crowds. An interesting window. Expect rain on 30% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. June (8.1/10) is significantly better if possible.
September ranks 5 out of 12 months in Riga. Compared to August: −4°C daytime, −2.5h of sun per day.
This month's conditions
What it's like in September
UV index
4 · moderate
protect during midday hours
Feels like
comfortable
10°
Sea
19°C
cool, invigorating
Daylight
12.5h of daylight
Air quality
good
AQI 25
Compare
Is September the right month?
The best month in Riga is June (8.1/10), 0.9 pt higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Riga
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Riga
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Latvia
🗣️LanguageLetton
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJune · 22°C
❄️Coolest monthJanuary · 1°C
🌧️Rainiest month ⓘOctober · 39%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Riga ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
LatviaTemperate oceanic climate with a 8.1 → 0.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
56.95°N · 24.11°E
Questions
Frequently asked questions
What is the best time to visit Riga?
July is the best month with 22.0°C highs, 15.0°C lows, 9.4h of sunshine and 29.0% rainy days. The months of July & June offer comparable conditions.
How many hours of sunshine does Riga get in July?
Riga averages 9.4 sunshine hours per day in July. It is the sunniest month with a climate score of 7.6/10.
What is the rainiest month in Riga?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Riga in July?
In July, overnight lows reach 15.0°C, while afternoon highs average 22.0°C.
Is Riga good in winter?
In winter (December-February), Riga scores 0.7/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 7.6/10.
When should you avoid Riga?
January is the most difficult month to visit Riga, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Riga in September?
In September, the sea averages 19°C in Riga: cool, invigorating. Swimming is possible but brisk; sensitive swimmers may prefer a wetsuit.
Do you need sun protection in Riga in September?
The average UV index reaches 4 in September in Riga (moderate), with about 12.5h of daylight. Protect during midday hours.