2026 Climate Averages

Weather: Riga — September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

September is an excellent time to visit Riga. Mild temperatures around 18°C make it comfortable for exploring. Rain is common, so pack an umbrella. As peak season, expect higher prices and more tourists.

6.9
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

18°C

Avg Low

12°C

Rainy days

10days

Daylight

12.8h

Feels like 16°C / 10°C — wind chill makes it feel cooler

Rainfall

56mm

Sunshine

8.8h/day

Humidity

79%

Humid
Sun Strength

4.3

Moderate
Wind

21 km/h (gusts 36)

Is September a good time to visit Riga?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:55

Sunset

19:45

12.8h daylight

Visiting Riga in September: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices

Things to Do in September

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Riga Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 1°C -2°C 15d (68mm) 1.7h
88% Very Humid
0.6 Low
Wet
Feb 1°C -2°C 10d (44mm) 4h
84% Very Humid
1.6 Low
Good
Mar 5°C 0°C 10d (34mm) 7.5h
77% Humid
3.7 Moderate
Good
Apr 9°C 3°C 10d (40mm) 10h
73% Humid
6.2 High
Good
May 14°C 7°C 10d (60mm) 12.2h
70% Humid
8.2 Very High
Excellent
Jun 21°C 14°C 11d (72mm) 13.1h
74% Humid
8.9 Very High
Excellent
Jul 22°C 16°C 14d (110mm) 12.6h
75% Humid
7.9 Very High
Excellent
Aug 21°C 15°C 14d (109mm) 10.9h
79% Humid
6.3 High
Excellent
Sep Current 18°C 12°C 10d (56mm) 8.8h
79% Humid
4.3 Moderate
Excellent
Oct 12°C 7°C 15d (82mm) 5.1h
83% Very Humid
2 Low
Wet
Nov 6°C 3°C 13d (57mm) 2.1h
87% Very Humid
0.7 Low
Wet
Dec 2°C -1°C 15d (56mm) 1.4h
88% Very Humid
0.4 Low
Wet

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Your Best MonthOctScore: 6.2
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4.79.Sep
4.710.Feb
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4.312.May
3.8

Where to Stay

See hotels, apartments & rentals around Riga – live prices from Booking.com, Expedia, Vrbo and more

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Riga

Art Nouveau architecture with Art Nouveau district and Old Town & House of Blackheads, medieval old town, vibrant markets, and Baltic Sea charm.

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What to Pack for September

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions. A waterproof jacket and shoes are non-negotiable — showers are frequent.

Cool Very Busy

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📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Riga?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Riga?
September is typically excellent for visiting Riga, with average highs of 18°C and around 10 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Riga in September?
Evenings in Riga during September are mild at 12°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Riga in September?
With highs of 18°C and lows of 12°C in September, we recommend: Warm layer for evenings, Compact umbrella, Waterproof jacket/shell, Comfortable walking shoes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Riga in September?
Riga typically sees around 10 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Riga in September?
In September, Riga gets approximately 12.8 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Riga?
Yes, September is peak season in Riga. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Riga)

Last Updated: February 2026

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