September weather forecastVatan, Iran
September
Weather in September
The first month of the autumn, September, is also a hot month in Vatan, Iran, with an average temperature fluctuating between 19.3°C (66.7°F) and 30.9°C (87.6°F).Temperature
September brings a minor shift in the average high-temperature, adjusting from a hot 34.4°C (93.9°F) in August to a still tropical 30.9°C (87.6°F). During the month of September, an average temperature of 19.3°C (66.7°F) is noted during the nights.Heat index
In September, the average heat index is appraised at a tropical 31°C (87.8°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The average relative humidity in September is 43%.Rainfall
In September, the rain falls for 2.6 days. Throughout September, 3mm (0.12") of precipitation is accumulated. In Vatan, during the entire year, the rain falls for 64.8 days and collects up to 186mm (7.32") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:20 and sunset at 18:17. On the last day of September, sunrise is at 05:43 and sunset at 17:33 +0330.
Sunshine
The average sunshine in September is 10.9h.UV index
In Vatan, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vatan, Iran
- Average high temperature in September: 30.9°C
The warmest month (with the highest average high temperature) is July (35.8°C).
The month with the lowest average high temperature is January (12.2°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is July (23.4°C).
The coldest months (with the lowest average low temperature) are January and February (4.2°C).
Average pressure in September
Vatan, Iran
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1008.1mbar).
Average wind speed in September
Vatan, Iran
- Average wind speed in September: 7.5km/h
The windiest month (with the highest average wind speed) is July (9km/h).
The calmest month (with the lowest average wind speed) is November (6.7km/h).
Average humidity in September
Vatan, Iran
- Average humidity in September: 43%
The month with the highest relative humidity is February (56%).
The month with the lowest relative humidity is June (39%).
Average rainfall in September
Vatan, Iran
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (45mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Vatan, Iran
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is March (9.5 days).
The month with the least rainy days is June (1.8 days).
Average snowfall in September
Vatan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Vatan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Vatan, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Vatan, Iran
- Average sunshine days in September: 26.5 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is February (16.5 days).
Average UV index in September
Vatan, Iran
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and February (UV index 3).
Average cloud cover in September
Vatan, Iran
- Average cloud cover in September: 8
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is September (Cloud cover 8).
Average visibility in September
Vatan, Iran
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





