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
September
Weather in September
Temperature
Solna's transition into September involves a gentle shift in temperature, receding from an agreeable 20.6°C (69.1°F) in August to an enjoyable 16.1°C (61°F). Throughout September, an average low-temperature of 9.7°C (49.5°F) is expected.Humidity
In September, the average relative humidity in Solna is 79%.Rainfall
In Solna, in September, it is raining for 12.3 days, with typically 24mm (0.94") of accumulated precipitation. In Solna, during the entire year, the rain falls for 136.6 days and collects up to 352mm (13.86") of precipitation.Snowfall
In Solna, snow does not fall in June through September.Daylight
In Solna, the average length of the day in September is 12h and 50min.On the first day of September in Solna, sunrise is at 05:45 and sunset at 19:49. On the last day of the month, sunrise is at 06:51 and sunset at 18:23 CEST.
Sunshine
In Solna, Sweden, the average sunshine in September is 8.1h.UV index
In Solna, Sweden, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, an average UV index of 3 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Solna?
What is the average humidity in September in Solna?
How many days does it rain in September in Solna?
When it does not snow in Solna?
Does it snow in Solna in September?
How many hours of daylight does Solna have in September?
What time are sunrise and sunset in September in Solna?
How many hours of sunshine does Solna have in September?
What is the UV index intensity in September in Solna?
Average temperature in September
Solna, Sweden
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 9.7°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 (-3.6°C).
Average pressure in September
Solna, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Solna, Sweden
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in September
Solna, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Solna, Sweden
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Solna, Sweden
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Solna, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Solna, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Solna, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Solna, Sweden
- Average sunshine days in September: 14.5 days
The months with the most sunshine days are April and May (15.5 days).
The month with the least sunshine days is November (12 days).
Average UV index in September
Solna, Sweden
- 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 and February (UV index 1).
Average cloud cover in September
Solna, Sweden
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Solna, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
