September weather forecastStenhamra, Sweden

September

Weather in September

September, the first month of the autumn in Stenhamra, is still a comfortable month, with an average temperature ranging between min 9.6°C (49.3°F) and max 16.1°C (61°F).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from an agreeable 20.5°C (68.9°F) to a comfortable 16.1°C (61°F). Throughout September, Stenhamra's nights cool down to an average of 9.6°C (49.3°F).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In September, the rain falls for 13.4 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Stenhamra, during the entire year, the rain falls for 133.7 days and collects up to 340mm (13.39") of precipitation.

Snowfall

In Stenhamra, snow does not fall in June through September.

Daylight

In Stenhamra, Sweden, the average length of the day in September is 12h and 50min.
On the first day of the month, sunrise is at 05:47 and sunset at 19:50. On the last day of September, sunrise is at 06:53 and sunset at 18:24 CEST.

Sunshine

In September, the average sunshine in Stenhamra is 8.1h.

UV index

The average daily maximum UV index in September in Stenhamra is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 3 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

The average high-temperature and low-temperature during September are 16.1°C (61°F) and 9.6°C (49.3°F) respectively.

The average relative humidity in September is 80%.

In Stenhamra, Sweden, during September, the rain falls for 13.4 days and regularly aggregates up to 27mm (1.06") of precipitation.

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

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

In September, the average day length in Stenhamra, Sweden, is 12h and 50min.

On the first day of September in Stenhamra, sunrise is at 05:47 and sunset at 19:50. On the last day of the month, sunrise is at 06:53 and sunset at 18:24 CEST.

In September, the average sunshine duration in Stenhamra, Sweden, is 8.1h.

In September, the average daily maximum UV index in Stenhamra is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Stenhamra, 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 (-0.5°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in September
Stenhamra, 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
Stenhamra, Sweden

  • Average wind speed in September: 13.8km/h

The windiest month (with the highest average wind speed) is December (18km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).

Average humidity in September
Stenhamra, Sweden

  • Average humidity in September: 80%

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

Average rainfall in September
Stenhamra, Sweden

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in September
Stenhamra, Sweden

  • Average rainfall days in September: 13.4 days

The months with the highest number of rainy days are July and August (15.7 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in September
Stenhamra, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (86mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Stenhamra, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

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 6min

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
Stenhamra, Sweden

  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is May (17.9 days).
The months with the least sunshine days are July and November (12.5 days).

Average UV index in September
Stenhamra, 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
Stenhamra, Sweden

  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September
Stenhamra, 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).