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
September's onset corresponds with a shift in the average high-temperature, moving from a pleasant 20.5°C (68.9°F) in August to a refreshing 14.7°C (58.5°F). In September, Nuijamaa records an average nighttime temperature of 8.5°C (47.3°F).Humidity
In Nuijamaa, Finland, the average relative humidity in September is 81%.Rainfall
In Nuijamaa, in September, it is raining for 16 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, there are 150.8 rainfall days, and 525mm (20.67") of precipitation is accumulated.Snowfall
In Nuijamaa, snow does not fall in June through September.Daylight
In September, the average length of the day in Nuijamaa is 12h and 54min.On the first day of the month, sunrise is at 05:59 and sunset at 20:11. On the last day of September, sunrise is at 07:10 and sunset at 18:40 EEST.
Sunshine
The average sunshine in September is 6.6h.UV index
In September, the average daily maximum UV index in Nuijamaa, Finland, is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 2 transforms into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the average September temperature in Nuijamaa?
What is the average humidity in September in Nuijamaa?
How much does it rain in Nuijamaa in September?
When it does not snow in Nuijamaa?
Does it snow in Nuijamaa in September?
What is the average length of the day in September in Nuijamaa?
What time are sunrise and sunset in September in Nuijamaa?
How long on average sun shines in September in Nuijamaa?
What is the UV index reading in September in Nuijamaa?
Average temperature in September
Nuijamaa, Finland
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.7°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).
Average pressure in September
Nuijamaa, Finland
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Nuijamaa, Finland
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in September
Nuijamaa, Finland
- Average humidity in September: 81%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Nuijamaa, Finland
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in September
Nuijamaa, Finland
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Nuijamaa, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Nuijamaa, Finland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Nuijamaa, 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 42min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in September
Nuijamaa, Finland
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (4.7 days).
Average UV index in September
Nuijamaa, Finland
- Average UV index in September: 2
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
Nuijamaa, Finland
- Average cloud cover in September: 56
The month with the most cloud cover is February (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Nuijamaa, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
Nuijamaa, Finland
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