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Riga, Latvia · Temperate oceanic

Riga in September: go or not?

Good time. Riga in September gets 7.2/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 56.95°N · 24.11°E
⚡ This month's verdict
Go for it
Riga · September
7.2
11–18°
Temperature
30%
Rain
6h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Martti Salmi via Unsplash
The month in detail

What to expect in September

Autumn in Riga is often underrated: 64°F, 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: −7°F 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.

See June →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Riga

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
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 trip.

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 · 72°F
❄️Coolest monthJanuary · 34°F
🌧️Rainiest month ⓘOctober · 39%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Location

Where is Riga ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Latvia
Temperate 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 72°F highs, 59°F 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 59°F, while afternoon highs average 72°F.
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 65°F 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.