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Normal weather for Latvia in September

It's cool to moderate in September in Latvia with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 22°C. At night, you can expect temperatures between 7°C and 12°C.

In September, there is an average of 59 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the South.

Latvia in September

New York
Temperature Average Temperature
18°C 27°C
Sun High Temp
22°C 31°C
Sun Low Temp
15°C 21°C
Rain Total Precipitation
59 mm 57 mm
Rain Rainy Days
9 days 9 days

Start of September

The month of September starts in Latvia with mild temps, averaging around 20°C during the day and nights around 11°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.

With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

Mid September

By mid-September, daytime temps drop to around 19°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

End of September

By the end of September, the average daytime temperature in Latvia is around 17°C, while nighttime temps are about 9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Because temperatures drop in the evening, wearing layers is recommended. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

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UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Is September a good time to visit Latvia?

Looking for great weather? September is a good time to be in Latvia. The temperatures are nice, and there’s not too much rain.

Temperature records for Latvia in September

Check out the climate of Latvia for all months and discover the best travel time

The climate in Latvia is based on weather data from Riga. Other places, like JūrmalaVentspils, might have different weather. You can check out all destinations in Latvia to get the full picture of the climate.

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Daily Temperature in September in Latvia

This chart shows the average daily high and low temperatures in September for Latvia, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Latvia

Daily Precipitation in September in Latvia

The chart below shows the average daily precipitation in September for Latvia, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 9 days of precipitation in Latvia.

Daily Precipitation in September in Latvia

Daily UV Index in September in Latvia

This chart shows the average daily UV index in September in Latvia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in September in Latvia

Temperature in September in Latvia Over the Years

This chart shows the average temperature in September in Latvia, measured in degrees Celsius, over the past few years.

Temperature in September in Latvia Over the Years

Total Precipitation in September in Latvia Over the Years

This chart shows the average precipitation in September in Latvia, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Latvia Over the Years

Daily Climate in September for Latvia

Click on any day in September to get detailed info about the usual weather on that day in Latvia. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Latvia

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Average Weather in Latvia by Month

Click on a month below to see detailed weather info for Latvia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Latvia for all months at once

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