September weather forecast
Starposle, Bosnia and Herzegovina

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Starposle, Bosnia and Herzegovina, with an average temperature varying between 20.8°C (69.4°F) and 8.3°C (46.9°F).

Temperature

Starposle's progression into September involves a drop in the average high-temperature, receding from a moderately hot 26.5°C (79.7°F) in August to an agreeable 20.8°C (69.4°F). The September nights bear witness to a significant drop from the daytime highs, settling at an average temperature of 8.3°C (46.9°F).

Humidity

In September, the average relative humidity is 74%.

Rainfall

The months with the least rainfall are September and October Rain falls for 12.7 days and accumulates 38mm (1.5") of rain.

Snowfall

May through September are months without snowfall.

Daylight

In Starposle, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 06:11 and sunset at 19:23. On the last day of September, sunrise is at 06:44 and sunset at 18:30 CEST.

Sunshine

In Starposle, the average sunshine in September is 9.2h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, an average UV index of 3 transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What is the average September temperature in Starposle?
An average high-temperature, in September, in Starposle, is 20.8°C (69.4°F) and the average low-temperature is 8.3°C (46.9°F).
What is the average humidity in September?
The average relative humidity in September is 74%.
What is the driest month?
The months with the least rainfall are September and October Rain falls for 12.7 days and accumulates 38mm (1.5") of rain.
How many days does it rain in September in Starposle?
In Starposle, in September, it is raining for 12.7 days, with typically 38mm (1.5") of accumulated precipitation.
When it does not snow?
May through September are months without snowfall.
Does it snow in September?
In Starposle, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September?
In Starposle, the average day length in September is 12h and 31min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 06:11 and sunset at 19:23. On the last day of the month, sunrise is at 06:44 and sunset at 18:30 CEST.
How long on average sun shines in September?
In September, the average sunshine duration in Starposle is 9.2h.
What is the UV index intensity in September?
The average daily maximum UV index in September is 3. A UV Index value 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Starposle, Bosnia and Herzegovina
Average temperature in September
Starposle, Bosnia and Herzegovina
  • Average high temperature in September: 20.8°C

The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in September: 8.3°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in September - Starposle, Bosnia and Herzegovina
Average pressure in September
Starposle, Bosnia and Herzegovina
  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.7mbar).

Average wind speed in September - Starposle, Bosnia and Herzegovina
Average wind speed in September
Starposle, Bosnia and Herzegovina
  • Average wind speed in September: 6.1km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).

Average humidity in September - Starposle, Bosnia and Herzegovina
Average humidity in September
Starposle, Bosnia and Herzegovina
  • Average humidity in September: 74%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September - Starposle, Bosnia and Herzegovina
Average rainfall in September
Starposle, Bosnia and Herzegovina
  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is May (81mm).
The driest months (with the least rainfall) are September and October (38mm).

Average rainfall days in September - Starposle, Bosnia and Herzegovina
Average rainfall days in September
Starposle, Bosnia and Herzegovina
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is August (10.8 days).

Average snowfall in September - Starposle, Bosnia and Herzegovina
Average snowfall in September
Starposle, Bosnia and Herzegovina
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (247mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Starposle, Bosnia and Herzegovina
Average snowfall days in September
Starposle, Bosnia and Herzegovina
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Starposle, Bosnia and Herzegovina
Average daylight in September /
Average sunshine in September
Starposle, Bosnia and Herzegovina
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 9h and 1min

The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September - Starposle, Bosnia and Herzegovina
Average sunshine days in September
Starposle, Bosnia and Herzegovina
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (8.9 days).

Average UV index in September - Starposle, Bosnia and Herzegovina
Average UV index in September
Starposle, Bosnia and Herzegovina
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September - Starposle, Bosnia and Herzegovina
Average cloud cover in September
Starposle, Bosnia and Herzegovina
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September - Starposle, Bosnia and Herzegovina
Average visibility in September
Starposle, Bosnia and Herzegovina
  • Average visibility in September: 9km

The months with the highest visibility are April, July, August and September (9km).
The months with the lowest visibility are January and February (7km).

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