September weather forecastBojnurd, Iran
September
Weather in September
September’s temperatures, ranging from 15.9°C (60.6°F) to 25.2°C (77.4°F), are indicative of Bojnurd's move towards more mellow weather. The length of the daylight decreases, giving way to longer evenings. Weather conditions during this month offer a gentle farewell to the dry and warm summer. Though September sees a slight increase in rainfall as compared to the prior summer months, the amount is still negligible, falling at just 1mm (0.04"). With the environment gradually cooling down, the city begins its transition towards fall.Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 29.3°C (84.7°F) to a still moderately hot 25.2°C (77.4°F). During the month of September, the temperature falls to an average of 15.9°C (60.6°F).Humidity
In September, the average relative humidity is 32%.Rainfall
August and September are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 1mm (0.04") of rain.Snowfall
May through October are months without snowfall in Bojnurd, Iran.Daylight
In Bojnurd, Iran, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 05:11 and sunset at 18:09. On the last day of September, sunrise is at 05:35 and sunset at 17:25 +0330.
Sunshine
The average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bojnurd, Iran
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is July (20.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.6°C).
Average pressure in September
Bojnurd, Iran
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is July (1008.1mbar).
Average wind speed in September
Bojnurd, Iran
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is July (12.8km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity in September
Bojnurd, Iran
- Average humidity in September: 32%
The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is July (26%).
Average rainfall in September
Bojnurd, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is April (39mm).
The driest months (with the least rainfall) are August and September (1mm).
Average rainfall days in September
Bojnurd, Iran
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is April (10.9 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in September
Bojnurd, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (166mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bojnurd, Iran
- Average snowfall days in September: 0 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, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bojnurd, 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 36min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 18min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Bojnurd, Iran
- Average sunshine days in September: 27.6 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in September
Bojnurd, Iran
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Bojnurd, Iran
- Average cloud cover in September: 5
The month with the most cloud cover is February (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in September
Bojnurd, Iran
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
