September weather forecastGillbo, Sweden

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Gillbo, Sweden, with an average temperature varying between 16.1°C (61°F) and 9.6°C (49.3°F).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a pleasant 20.6°C (69.1°F) in August to a refreshing 16.1°C (61°F). An average low-temperature of 9.6°C (49.3°F) is observed during September nights.

Humidity

The average relative humidity in September in Gillbo is 80%.

Rainfall

In Gillbo, in September, it is raining for 11.7 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 134.1 rainfall days, and 336mm (13.23") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Gillbo is 12h and 51min.
On the first day of the month, sunrise is at 05:46 and sunset at 19:50. On the last day of September, in Gillbo, Sweden, sunrise is at 06:52 and sunset at 18:23 CEST.

Sunshine

The average sunshine in September in Gillbo is 8h.

UV index

In Gillbo, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 3 in September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Gillbo, in September, the average high-temperature is 16.1°C (61°F), and the average low-temperature is 9.6°C (49.3°F).

The average relative humidity in September is 80%.

In Gillbo, Sweden, during September, the rain falls for 11.7 days and regularly aggregates up to 22mm (0.87") of precipitation.

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

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

The average day length in September in Gillbo is 12h and 51min.

In September, on the first day of the month, sunrise is at 05:46 and sunset at 19:50. On the last day of the month, in Gillbo, sunrise is at 06:52 and sunset at 18:23 CEST.

In Gillbo, the average sunshine duration in September is 8h.

The average daily maximum UV index in September in Gillbo is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

20.6°C

16.1°C

9.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.8km/h

13.9km/h

15.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.8

15.1

16.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Gillbo, Sweden

Average high temperature in September: 16.1°C

The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (-0.7°C).

Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in September
Gillbo, Sweden

Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

Average wind speed in September
Gillbo, Sweden

Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest months (with the lowest average wind speed) are July and August (12.1km/h).

Average humidity in September
Gillbo, Sweden

Average humidity in September: 80%

The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Gillbo, Sweden

Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Gillbo, Sweden

Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in September
Gillbo, Sweden

Average snowfall in September: 0mm

The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Gillbo, Sweden

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Gillbo, 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 0min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).