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
The average high-temperature slightly decreases in September, shifting from a warm 25.8°C (78.4°F) in August to a pleasant 22.8°C (73°F). Keshli observes a slightly reduced average nighttime temperature of 20.2°C (68.4°F) during September.Humidity
In Keshli, the average relative humidity in September is 73%.Rainfall
In Keshli, in September, it is raining for 11.6 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 122.6 rainfall days, and 480mm (18.9") of precipitation is accumulated.Snowfall
In Keshli, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 05:44 and sunset at 18:43. On the last day of the month, sunrise is at 06:09 and sunset at 17:58 +0330.
Sunshine
In Keshli, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
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 Keshli have in September?
How high is the UV index in September?
Average temperature in September
Keshli, Iran
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is February (8°C).
- Average low temperature in September: 20.2°C
The months with the highest average low temperature are July and August (22.8°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in September
Keshli, Iran
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is November (1022mbar).
The month with the lowest atmospheric pressure is July (1009.3mbar).
Average wind speed in September
Keshli, Iran
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is October (13.6km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in September
Keshli, Iran
- Average humidity in September: 73%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is July (64%).
Average rainfall in September
Keshli, Iran
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is June (9mm).
Average rainfall days in September
Keshli, Iran
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is October (14.7 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in September
Keshli, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (95mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Keshli, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 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
Keshli, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in September
Keshli, Iran
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in September
Keshli, 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, March and December (UV index 3).
Average cloud cover in September
Keshli, Iran
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in September
Keshli, Iran
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February and November (9km).
