September weather forecast
Rottnåsa, Sweden

Weather in September

The first month of the autumn, September, is still a mild month in Rottnåsa, Sweden, with average temperature varying between 15.5°C (59.9°F) and 9.9°C (49.8°F).

Temperature

In Rottnåsa, the average high-temperature marginally drops, from an enjoyable 19.3°C (66.7°F) in August, to a mild 15.5°C (59.9°F). The average low-temperature, in September, is 9.9°C (49.8°F).

Humidity

In Rottnåsa, the average relative humidity in September is 80%.

Rainfall

In Rottnåsa, during September, the rain falls for 13.7 days and regularly aggregates up to 32mm (1.26") of precipitation. In Rottnåsa, during the entire year, the rain falls for 150.3 days and collects up to 408mm (16.06") of precipitation.

Snowfall

In Rottnåsa, Sweden, snow does not fall in June through September.

Daylight

In September, the average length of the day in Rottnåsa, Sweden, is 12.8h.

Sunshine

In September, the average sunshine is 7.8h.

UV index

The average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Rottnåsa?

In September, the average relative humidity is 80%.

How much does it rain in Rottnåsa in September?

In Rottnåsa, Sweden, in September, it is raining for 13.7 days, with typically 32mm (1.26") of accumulated precipitation.

When it does not snow in Rottnåsa?

June through September are months without snowfall in Rottnåsa.

Does it snow in Rottnåsa in September?

In Rottnåsa, Sweden, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Rottnåsa have in September?

The average length of the day in September is 12.8h.

How long on average sun shines in September in Rottnåsa?

In Rottnåsa, Sweden, the average sunshine in September is 7.8h.

How high is the UV index in September in Rottnåsa?

In September, the average daily maximum UV index in Rottnåsa, Sweden, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Rottnåsa, Sweden

Average temperature in September - Rottnåsa, Sweden
  • Average high temperature in September: 15.5°C

The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-0.2°C).

  • Average low temperature in September: 9.9°C

Months with the highest average low temperature are July and August (12.8°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).

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Average pressure in September
Rottnåsa, Sweden

Average pressure in September - Rottnåsa, Sweden
  • Average pressure in September: 1013.9mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).

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Average wind speed in September
Rottnåsa, Sweden

Average wind speed in September - Rottnåsa, Sweden
  • Average wind speed in September: 15.8km/h

The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).

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Average humidity in September
Rottnåsa, Sweden

Average humidity in September - Rottnåsa, Sweden
  • Average humidity in September: 80%

Months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in September
Rottnåsa, Sweden

Average rainfall in September - Rottnåsa, Sweden
  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (15mm).

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Average rainfall days in September
Rottnåsa, Sweden

Average rainfall days in September - Rottnåsa, Sweden
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in September
Rottnåsa, Sweden

Average snowfall in September - Rottnåsa, Sweden
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (83mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Rottnåsa, Sweden

Average snowfall days in September - Rottnåsa, Sweden
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and February (10.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Rottnåsa, Sweden

Average daylight in September / Average sunshine in September - Rottnåsa, Sweden
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.1h).
The month with the shortest days is December (Average daylight: 6.6h).

  • Average sunshine in September: 7.8h

The month with the most sunshine is June (Average sunshine: 11.6h).
Months with the least sunshine are February and December (Average sunshine: 3.2).

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Average sunshine days in September
Rottnåsa, Sweden

Average sunshine days in September - Rottnåsa, Sweden
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is August (9.5 days).

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Average UV index in September
Rottnåsa, Sweden

Average UV index in September - Rottnåsa, Sweden
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in September
Rottnåsa, Sweden

Average cloud cover in September - Rottnåsa, Sweden
  • Average cloud cover in September: 47

Months with the most cloud cover are February and December (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 40).

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Average visibility in September
Rottnåsa, Sweden

Average visibility in September - Rottnåsa, Sweden
  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).

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