Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 28.3°C (82.9°F) to a still warm 24.5°C (76.1°F). During September, the temperature tends to dip to an average of 15.3°C (59.5°F) at night.Humidity
In September, the average relative humidity is 41%.Rainfall
In Bastam, in September, during 6.2 rainfall days, 10mm (0.39") of precipitation is typically accumulated. Throughout the year, there are 91.9 rainfall days, and 213mm (8.39") of precipitation is accumulated.Snowfall
In Bastam, snow does not fall in May through October.Daylight
In Bastam, the average length of the day in September is 12h and 25min.On the first day of September in Bastam, Iran, sunrise is at 05:21 and sunset at 18:18. On the last day of the month, sunrise is at 05:44 and sunset at 17:35 +0330.
Sunshine
In Bastam, the average sunshine in September is 10.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What are September temperatures in Bastam?
What is the average humidity in September in Bastam?
How many days does it rain in September in Bastam?
When it does not snow in Bastam?
What is the average length of the day in September in Bastam?
What time are sunrise and sunset in September in Bastam?
How long on average sun shines in September in Bastam?
How high is the UV index in September in Bastam?
Average temperature in September
Bastam, Iran
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is July (30.1°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is July (20.3°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in September
Bastam, Iran
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1007.4mbar).
Average wind speed in September
Bastam, Iran
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is July (14.8km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity in September
Bastam, Iran
- Average humidity in September: 41%
The month with the highest relative humidity is February (61%).
The months with the lowest relative humidity are June, July and August (36%).
Average rainfall in September
Bastam, Iran
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is May (31mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Bastam, Iran
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is July (3.7 days).
Average snowfall in September
Bastam, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (107mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Bastam, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 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
Bastam, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Bastam, Iran
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is April (14 days).
Average UV index in September
Bastam, Iran
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bastam, Iran
- Average cloud cover in September: 8
The months with the most cloud cover are February and March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Bastam, 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).
Bastam, Iran
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