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
September
Weather in September
Temperature
As Chahar Had enters September, the average high-temperature subtly lowers from the a hot 32.5°C (90.5°F) of August to a warm 28°C (82.4°F). Chahar Had registers a prominent dip from daytime highs, with an average of 13.6°C (56.5°F) during the nights of September.Humidity
In Chahar Had, the average relative humidity in September is 27%.Rainfall
Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 0.4 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, there are 63.6 rainfall days, and 169mm (6.65") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Chahar Had, Iran, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 05:44 and sunset at 18:38. On the last day of the month, sunrise is at 06:06 and sunset at 17:57 +0330.
Sunshine
The average sunshine in September is 11.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
When does it start to rain?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Chahar Had have in September?
What is the UV index intensity in September?
Average temperature in September
Chahar Had, Iran
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is July (33.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is July (19°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Chahar Had, Iran
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1007.1mbar).
Average wind speed in September
Chahar Had, Iran
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is December (8.4km/h).
Average humidity in September
Chahar Had, Iran
- Average humidity in September: 27%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is July (24%).
Average rainfall in September
Chahar Had, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is February (30mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Chahar Had, Iran
- Average rainfall days in September: 0.4 days
The months with the highest number of rainy days are March and April (9.8 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in September
Chahar Had, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (109mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Chahar Had, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 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 Had, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Chahar Had, Iran
- Average sunshine days in September: 29.3 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in September
Chahar Had, Iran
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Chahar Had, Iran
- Average cloud cover in September: 4
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in September
Chahar Had, 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).
