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
September brings a slight decrease in the average high-temperature, shifting from a pleasant 20.6°C (69.1°F) in August to a comfortable 16°C (60.8°F). During the month of September, the nighttime temperature falls to an average of 9.7°C (49.5°F).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 133 rainfall days, and 295mm (11.61") of precipitation is accumulated.Snowfall
In Johannesfred, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 05:46 and sunset at 19:49. On the last day of the month, sunrise is at 06:52 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Johannesfred have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Johannesfred, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (21.4°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 (-3.5°C).
Average pressure in September
Johannesfred, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Johannesfred, Sweden
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest months (with the lowest average wind speed) are July and August (12.5km/h).
Average humidity in September
Johannesfred, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Johannesfred, Sweden
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Johannesfred, Sweden
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
Johannesfred, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Johannesfred, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Johannesfred, 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 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Johannesfred, Sweden
- Average sunshine days in September: 15 days
The month with the most sunshine days is May (15.8 days).
The months with the least sunshine days are February and August (12.8 days).
Average UV index in September
Johannesfred, 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
Johannesfred, Sweden
- Average cloud cover in September: 42
The months with the most cloud cover are January, February and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Johannesfred, 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).
