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
The transition into September subtly indicates a reduction in the average high-temperature, down to a still moderately hot 23.3°C (73.9°F) from August's warm 26.8°C (80.2°F). In Chahar Mast, September's nights observe an average temperature dip to a fresh 12.4°C (54.3°F).Humidity
In September, the average relative humidity in Chahar Mast is 31%.Rainfall
The months with the least rainfall are July through September Rain falls for 1.3 days and accumulates 1mm (0.04") of rain.Snowfall
In Chahar Mast, snow does not fall in May through October.Daylight
The average length of the day in September in Chahar Mast is 12h and 25min.On the first day of the month, sunrise is at 05:09 and sunset at 18:07. On the last day of September, sunrise is at 05:33 and sunset at 17:23 +0330.
Sunshine
The average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are September temperatures in Chahar Mast?
What is the average humidity in September in Chahar Mast?
What is the driest month in Chahar Mast?
How much does it rain in Chahar Mast in September?
When it does not snow in Chahar Mast?
What is the average length of the day in September in Chahar Mast?
When are sunrise and sunset in September in Chahar Mast?
How many hours of sunshine does Chahar Mast have in September?
What is the UV index reading in September in Chahar Mast?
Average temperature in September
Chahar Mast, Iran
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).
Average pressure in September
Chahar Mast, Iran
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is July (1008mbar).
Average wind speed in September
Chahar Mast, Iran
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is July (15.2km/h).
The calmest month (with the lowest average wind speed) is November (8.5km/h).
Average humidity in September
Chahar Mast, Iran
- Average humidity in September: 31%
The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is July (24%).
Average rainfall in September
Chahar Mast, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is May (32mm).
The driest months (with the least rainfall) are July, August and September (1mm).
Average rainfall days in September
Chahar Mast, Iran
- Average rainfall days in September: 1.3 days
The month with the highest number of rainy days is April (10.7 days).
The month with the least rainy days is August (0.7 days).
Average snowfall in September
Chahar Mast, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (93mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Chahar Mast, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 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
Chahar Mast, Iran
- Average daylight in September: 12h and 2min
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 1min
The month with the most sunshine is August (Average sunshine: 12h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in September
Chahar Mast, Iran
- Average sunshine days in September: 27.4 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is April (17.5 days).
Average UV index in September
Chahar Mast, Iran
- Average UV index in September: 4
The months with the highest UV index are 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
Chahar Mast, Iran
- Average cloud cover in September: 5
The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Chahar Mast, Iran
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
Chahar Mast, Iran
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