September weather forecastTran, Bulgaria

September

Weather in September

September brings a pleasant transition from summer to autumn in Tran. The temperatures decline and remain below 21.1°C (70°F). The city starts witnessing shorter days and temperatures begin to fall, indicating the approach of autumn. Cooler weather conditions prevailing in the month denote the end of summer. Undeniably, September tailors the weather to make way for the fall season.

Temperature

September ushers in a slight temperature change in Tran, with average high-temperatures reducing from August's warm 26.3°C (79.3°F) to a pleasant 21.1°C (70°F). During September, Tran sees a mean low-temperature of 9.4°C (48.9°F).

Humidity

In Tran, the average relative humidity in September is 67%.

Rainfall

In Tran, in September, during 12.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Tran, during the entire year, the rain falls for 166.3 days and collects up to 569mm (22.4") of precipitation.

Snowfall

May through September are months without snowfall in Tran.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 06:54 and sunset at 20:03. On the last day of September, sunrise is at 07:26 and sunset at 19:12 EEST.

Sunshine

In Tran, Bulgaria, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Tran, is 21.1°C (70°F), while the low-temperature averages to 9.4°C (48.9°F).

The average relative humidity in September in Tran, Bulgaria, is 67%.

In September, in Tran, Bulgaria, the rain falls for 12.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated.

May through September are months without snowfall in Tran, Bulgaria.

In Tran, Bulgaria, in September, it doesn't snow. In October, it regularly snows.

In Tran, the average day length in September is 12h and 29min.

In September, on the first day of the month, sunrise is at 06:54 and sunset at 20:03. On the last day of the month, in Tran, sunrise is at 07:26 and sunset at 19:12 EEST.

In September, the average sunshine duration is 8.8h.

In Tran, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

26.3°C

21.1°C

15.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8km/h

8.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.4

15.4

17.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Tran, Bulgaria

Average high temperature in September: 21.1°C

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (1.1°C).

Average low temperature in September: 9.4°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.2°C).

Average pressure in September
Tran, Bulgaria

Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is May (1014mbar).

Average wind speed in September
Tran, Bulgaria

Average wind speed in September: 7.4km/h

The windiest month (with the highest average wind speed) is March (9.6km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in September
Tran, Bulgaria

Average humidity in September: 67%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (63%).

Average rainfall in September
Tran, Bulgaria

Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is June (72mm).
The driest month (with the least rainfall) is August (34mm).

Average rainfall days in September
Tran, Bulgaria

Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is August (9.8 days).

Average snowfall in September
Tran, Bulgaria

Average snowfall in September: 0mm

The month with the highest snowfall is January (194mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Tran, Bulgaria

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.9 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
Tran, Bulgaria

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in September: 8h and 48min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).