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
September is characterized by a slight reduction in average high-temperature, easing from a sweltering 35.6°C (96.1°F) in August to a hot 30.8°C (87.4°F). September nights in Darreh Shahr, Iran, are characterized by a significant departure from the daytime highs, dropping to an average temperature of 13.1°C (55.6°F).Humidity
The average relative humidity in September is 26%.Rainfall
January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 0.5 rainfall days, it receives 1mm (0.04") of precipitation. In Darreh Shahr, during the entire year, the rain falls for 66.1 days and collects up to 338mm (13.31") of precipitation.Snowfall
In Darreh Shahr, snow does not fall in April through October.Daylight
In Darreh Shahr, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 05:55 and sunset at 18:45. On the last day of September, sunrise is at 06:14 and sunset at 18:06 +0330.
Sunshine
In September, the average sunshine is 11.1h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
When does it start raining?
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 Darreh Shahr have in September?
How high is the UV index in September?
Average temperature in September
Darreh Shahr, Iran
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is July (36.2°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 13.1°C
The month with the highest average low temperature is July (19.2°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Darreh Shahr, Iran
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is July (1003.2mbar).
Average wind speed in September
Darreh Shahr, Iran
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is May (8.8km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in September
Darreh Shahr, Iran
- Average humidity in September: 26%
The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is July (17%).
Average rainfall in September
Darreh Shahr, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (67mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Darreh Shahr, Iran
- Average rainfall days in September: 0.5 days
The month with the highest number of rainy days is April (11.1 days).
The month with the least rainy days is August (0.1 days).
Average snowfall in September
Darreh Shahr, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (156mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Darreh Shahr, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 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
Darreh Shahr, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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 42min).
Average sunshine days in September
Darreh Shahr, Iran
- Average sunshine days in September: 29.4 days
The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is February (16.5 days).
Average UV index in September
Darreh Shahr, 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 and December (UV index 2).
Average cloud cover in September
Darreh Shahr, Iran
- Average cloud cover in September: 2
The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 2).
Average visibility in September
Darreh Shahr, 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).
