September weather forecastBastamlu, Iran

September

Weather in September

September, the first month of the autumn in Bastamlu, is still a warm month, with an average temperature fluctuating between 16.8°C (62.2°F) and 25°C (77°F).

Temperature

The onset of September introduces a moderate change in Bastamlu's weather, with average high-temperatures falling from August's hot 30.8°C (87.4°F) to a warm 25°C (77°F). During the nights in September, an average low-temperature of 16.8°C (62.2°F) is observed in Bastamlu, Iran.

Humidity

In Bastamlu, the average relative humidity in September is 64%.

Rainfall

In Bastamlu, Iran, in September, during 15.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 142.5 rainfall days, and 370mm (14.57") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of the month, sunrise is at 05:50 and sunset at 18:52. On the last day of September, in Bastamlu, Iran, sunrise is at 06:16 and sunset at 18:05 +0330.

Sunshine

In September, the average sunshine in Bastamlu, Iran, is 8.2h.

UV index

In September, the average daily maximum UV index in Bastamlu is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Bastamlu during September are 25°C (77°F) and 16.8°C (62.2°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 32°C (89.6°F).

The average relative humidity in September in Bastamlu, Iran, is 64%.

In September, the rain falls for 15.1 days. Throughout September, 37mm (1.46") of precipitation is accumulated.

In Bastamlu, snow does not fall in May through September.

In Bastamlu, Iran, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Bastamlu, Iran, is 12h and 27min.

In September, on the first day of the month, sunrise is at 05:50 and sunset at 18:52. On the last day of the month, sunrise is at 06:16 and sunset at 18:05 +0330.

In September, the average sunshine duration in Bastamlu, Iran, is 8.2h.

The average daily maximum UV index in September in Bastamlu, Iran, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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

30.8°C

25°C

18.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.6km/h

8km/h

7.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.9

11.9

13.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Bastamlu, Iran

Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is July (32.3°C).
The month with the lowest average high temperature is January (6.7°C).

Average low temperature in September: 16.8°C

The month with the highest average low temperature is July (21.3°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).

Average pressure in September
Bastamlu, Iran

Average pressure in September: 1015.1mbar

The months with the highest atmospheric pressure are November and December (1022.1mbar).
The month with the lowest atmospheric pressure is July (1010mbar).

Average wind speed in September
Bastamlu, Iran

Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is July (8.6km/h).
The calmest month (with the lowest average wind speed) is December (5.2km/h).

Average humidity in September
Bastamlu, Iran

Average humidity in September: 64%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is July (45%).

Average rainfall in September
Bastamlu, Iran

Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is July (14mm).

Average rainfall days in September
Bastamlu, Iran

Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is December (7.1 days).

Average snowfall in September
Bastamlu, Iran

Average snowfall in September: 0mm

The month with the highest snowfall is February (133mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Bastamlu, Iran

Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Bastamlu, Iran

Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in September: 8h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).