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
A subtle decrease in the average high-temperature marks September, falling from August's enjoyable 18.3°C (64.9°F) to a cool 12.8°C (55°F). Gunnarsbyn, during the month of September, experiences an average low-temperature of 6.2°C (43.2°F).Humidity
The average relative humidity in September in Gunnarsbyn, Sweden, is 80%.Rainfall
In Gunnarsbyn, during September, the rain falls for 13 days and regularly aggregates up to 36mm (1.42") of precipitation. In Gunnarsbyn, during the entire year, the rain falls for 122.6 days and collects up to 434mm (17.09") of precipitation.Snowfall
In Gunnarsbyn, snow does not fall in June through September.Daylight
The average length of the day in September in Gunnarsbyn is 13h and 7min.On the first day of the month, sunrise is at 05:09 and sunset at 19:55. On the last day of September, sunrise is at 06:42 and sunset at 18:03 CEST.
Sunshine
The average sunshine in September in Gunnarsbyn is 7.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Gunnarsbyn in September?
What is the average humidity in September in Gunnarsbyn?
How many days does it rain in September in Gunnarsbyn?
When it does not snow in Gunnarsbyn?
Does it snow in Gunnarsbyn in September?
What is the average length of the day in September in Gunnarsbyn?
When are sunrise and sunset in September in Gunnarsbyn?
How long on average sun shines in September in Gunnarsbyn?
What is the UV index intensity in September in Gunnarsbyn?
Average temperature in September
Gunnarsbyn, Sweden
- Average high temperature in September: 12.8°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-7.1°C).
- Average low temperature in September: 6.2°C
The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is February (-12.7°C).
Average pressure in September
Gunnarsbyn, Sweden
- Average pressure in September: 1010.8mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Gunnarsbyn, Sweden
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is March (10.9km/h).
The calmest month (with the lowest average wind speed) is April (9.5km/h).
Average humidity in September
Gunnarsbyn, Sweden
- Average humidity in September: 80%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is June (63%).
Average rainfall in September
Gunnarsbyn, Sweden
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Gunnarsbyn, Sweden
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Gunnarsbyn, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (289mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gunnarsbyn, Sweden
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Gunnarsbyn, Sweden
- Average daylight in September: 13h and 1min
The month with the longest days is July (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 3h and 6min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Gunnarsbyn, Sweden
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is April (8.6 days).
Average UV index in September
Gunnarsbyn, 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, February, March, October, November and December (UV index 1).
Average cloud cover in September
Gunnarsbyn, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Gunnarsbyn, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (5km).
