September weather forecastRumenan, Iran
September
Weather in September
September, the first month of the autumn in Rumenan, is also a moderately hot month, with an average temperature varying between 15.3°C (59.5°F) and 24.5°C (76.1°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's 28.3°C (82.9°F) to a still moderately hot 24.5°C (76.1°F). During the nights in September, Rumenan observes an average low-temperature of 15.3°C (59.5°F).Humidity
In September, the average relative humidity is 41%.Rainfall
In Rumenan, in September, during 6.2 rainfall days, 10mm (0.39") of precipitation is typically accumulated. Throughout the year, there are 91.9 rainfall days, and 213mm (8.39") of precipitation is accumulated.Snowfall
In Rumenan, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 05:25 and sunset at 18:20. On the last day of the month, sunrise is at 05:47 and sunset at 17:38 +0330.
Sunshine
In September, the average sunshine is 10.8h.UV index
In Rumenan, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rumenan, Iran
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is July (30.1°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is July (20.3°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in September
Rumenan, Iran
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1007.4mbar).
Average wind speed in September
Rumenan, Iran
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is July (14.8km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity in September
Rumenan, Iran
- Average humidity in September: 41%
The month with the highest relative humidity is February (61%).
The months with the lowest relative humidity are June, July and August (36%).
Average rainfall in September
Rumenan, Iran
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is May (31mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Rumenan, Iran
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is July (3.7 days).
Average snowfall in September
Rumenan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (107mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rumenan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 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
Rumenan, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days in September
Rumenan, Iran
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is April (14 days).
Average UV index in September
Rumenan, 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, November and December (UV index 2).
Average cloud cover in September
Rumenan, Iran
- Average cloud cover in September: 8
The months with the most cloud cover are February and March (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Rumenan, 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).
