Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The commencement of September indicates a shift in the average high-temperature, receding from August's pleasant 20.4°C (68.7°F) to a moderate 15°C (59°F). During September, the nighttime temperature in Utti averages to a frosty 8.3°C (46.9°F).Humidity
In Utti, the average relative humidity in September is 82%.Rainfall
In Utti, in September, during 13.4 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 132 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 53min.On the first day of the month, sunrise is at 06:06 and sunset at 20:18. On the last day of September, in Utti, Finland, sunrise is at 07:17 and sunset at 18:47 EEST.
Sunshine
The average sunshine in September is 7h.UV index
The average daily maximum UV index in September in Utti is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Utti in September?
What is the average humidity in September in Utti?
How much does it rain in Utti in September?
When it does not snow in Utti?
Does it snow in Utti in September?
How many hours of daylight does Utti have in September?
When are sunrise and sunset in September in Utti?
How long on average sun shines in September in Utti?
How high is the UV index in September in Utti?
Average temperature in September
Utti, Finland
- Average high temperature in September: 15°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in September
Utti, Finland
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Utti, Finland
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Utti, Finland
- Average humidity in September: 82%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall in September
Utti, Finland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Utti, Finland
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Utti, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Utti, Finland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Utti, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Utti, Finland
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in September
Utti, Finland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Utti, Finland
- Average cloud cover in September: 52
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Utti, Finland
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
Utti, Finland
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