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 mild shift in the average high-temperature occurs in September, reducing from a pleasant 20.8°C (69.4°F) in August to a refreshing 17.1°C (62.8°F). Nighttime temperature in Alstad reflects an average dip to a fresh 12.5°C (54.5°F) in September, subtly cooler than its daytime highs.Humidity
In September, the average relative humidity is 77%.Rainfall
In Alstad, during September, the rain falls for 14.7 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, there are 164.5 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
In Alstad, snow does not fall in May through October.Daylight
In Alstad, Sweden, the average length of the day in September is 12h and 44min.On the first day of September, sunrise is at 06:13 and sunset at 20:00. On the last day of the month, sunrise is at 07:08 and sunset at 18:45 CEST.
Sunshine
In September, the average sunshine in Alstad is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alstad in September?
What is the average humidity in September in Alstad?
How many days does it rain in September in Alstad?
When it does not snow in Alstad?
How many hours of daylight does Alstad have in September?
What time are sunrise and sunset in September in Alstad?
How many hours of sunshine does Alstad have in September?
What is the UV index intensity in September in Alstad?
Average temperature in September
Alstad, Sweden
- Average high temperature in September: 17.1°C
The warmest months (with the highest average high temperature) are July and August (20.8°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Alstad, Sweden
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Alstad, Sweden
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (21.6km/h).
The calmest month (with the lowest average wind speed) is July (15.7km/h).
Average humidity in September
Alstad, Sweden
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April, May, June and July (74%).
Average rainfall in September
Alstad, Sweden
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Alstad, Sweden
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Alstad, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Alstad, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Alstad, Sweden
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Alstad, Sweden
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is April (16 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in September
Alstad, Sweden
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Alstad, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Alstad, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
