Normal weather for Hetta in September
It's cool in September in Hetta with an average temperature of 10°C. Temperatures this month range from a low of 6°C to a high of 15°C. At night, you can expect temperatures between 2°C and 7°C.
In September, there is an average of 45 mm of precipitation, spread over 8 days. Of the total precipitation, about 3,2 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the South.
Hetta in September |
New York | ||
|---|---|---|---|
 Average Temperature |
10°C | 27°C | |
 High Temp |
15°C | 31°C | |
| Low Temp |
6°C | 21°C | |
 Total Precipitation |
45 mm | 57 mm | |
| Rainy Days |
8 days | 9 days | |
 Total Snowfall |
3,2 cm | 0 cm | |
| Snowy Days |
2 days | 0 days | |
Start of September
The month of September starts in Hetta with cool temps, averaging around 14°C during the day and nights around 6°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
Mid September
By mid-September, daytime temps drop to around 10°C, with nights around 4°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, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
End of September
By the end of September, the average daytime temperature in Hetta is around 8°C, while nighttime temps are about 3°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended. During the day, wear a thick jacket, sweater, and long pants. For the evening and morning, we recommend a heavy winter coat, sweater, long pants, beanie, and gloves.
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UV index
The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature records for Hetta in September
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Curious about the weather in other parts of Finland? Check out the climate and weather for spots like Helsinki, Rovaniemi, Kuusamo, or explore other destinations in Finland.
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Daily Temperature in September in Hetta
This chart shows the average daily high and low temperatures in September for Hetta, 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 Precipitation in September in Hetta
The chart below shows the average daily precipitation in September for Hetta, 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 8 days of precipitation in Hetta.
Daily Snowfall in September in Hetta
This chart shows the average daily snowfall in September in Hetta, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in September.
Daily UV Index in September in Hetta
This chart shows the average daily UV index in September in Hetta, 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.
Temperature in September in Hetta Over the Years
This chart shows the average temperature in September in Hetta, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Hetta Over the Years
This chart shows the average precipitation in September in Hetta, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in September in Hetta per year
This chart shows the average snowfall in September in Hetta, measured in centimeters, over the past few years.
Daily Climate in September for Hetta
Click on any day in September to get detailed info about the usual weather on that day in Hetta. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Hetta
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Average Weather in Hetta by Month
Click on a month below to see detailed weather info for Hetta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
