September weather forecastRasht, Iran
September
Weather in September
September in Rasht witnesses a welcoming downshift in temperature, nudging the dawn of autumn along. A still warm tail-end of summer persists, with high temperatures reaching approximately 25.7°C (78.3°F). Rainfall begins to intensify, and forest landscapes undergo a transformation during this transitional phase. Wind flow remains mild and consistent, helping to keep the ambiance pleasant. September's end brings a gentle and warm goodbye to summer, setting the stage for the crisp entrance of October.Temperature
Rasht's transition into September involves a gentle shift in temperature, receding from 28.8°C (83.8°F) in August to a still moderately hot 25.7°C (78.3°F). An average low-temperature of 19.9°C (67.8°F) is recorded during the nights in September.Humidity
The months with the highest humidity in Rasht are September and October, with an average relative humidity of 75%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 48mm (1.89") of precipitation is accumulated. Throughout the year, there are 130.8 rainfall days, and 567mm (22.32") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Rasht, the average length of the day in September is 12h and 25min.On the first day of September in Rasht, sunrise is at 05:42 and sunset at 18:40. On the last day of the month, sunrise is at 06:06 and sunset at 17:56 +0330.
Sunshine
The average sunshine in September in Rasht is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rasht, Iran
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is February (11.3°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in September
Rasht, Iran
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in September
Rasht, Iran
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is January (9.8km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Rasht, Iran
- Average humidity in September: 75%
The months with the highest relative humidity are September and October (75%).
The months with the lowest relative humidity are June and July (65%).
Average rainfall in September
Rasht, Iran
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is November (89mm).
The driest month (with the least rainfall) is June (17mm).
Average rainfall days in September
Rasht, Iran
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is October (15.1 days).
The month with the least rainy days is June (6.8 days).
Average snowfall in September
Rasht, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (198mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Rasht, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Rasht, Iran
- Average daylight in September: 12h and 24min
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: 8h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Rasht, Iran
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is September (12.5 days).
Average UV index in September
Rasht, Iran
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover in September
Rasht, Iran
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Rasht, Iran
- Average visibility in September: 9km
The months with the highest visibility are January, March, May, June, July, August and December (10km).
The months with the lowest visibility are February, April, September, October and November (9km).





