September weather forecastNarvi, Iran
September
Weather in September
The first month of the autumn, September, is still a warm month in Narvi, Iran, with an average temperature fluctuating between 11.8°C (53.2°F) and 27.1°C (80.8°F).Temperature
The shift from August to September involves a decrease in the average high-temperature, dropping from a tropical 32.1°C (89.8°F) to a moderately hot 27.1°C (80.8°F). Despite drastic daily temperature oscillations, Narvi cools down to an average low-temperature of 11.8°C (53.2°F) in September.Humidity
In September, the average relative humidity in Narvi, Iran, is 29%.Rainfall
August and September are months without rainfall.Snowfall
In Narvi, snow does not fall in May through October.Daylight
In Narvi, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:57 and sunset at 18:51. On the last day of September, in Narvi, sunrise is at 06:19 and sunset at 18:10 +0330.
Sunshine
In September, the average sunshine is 10.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Guard yourself - Avoiding sunburn is suggested. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Narvi, Iran
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is July (32.5°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is July (17.7°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).
Average pressure in September
Narvi, Iran
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is July (1005.7mbar).
Average wind speed in September
Narvi, Iran
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is May (10.9km/h).
The calmest month (with the lowest average wind speed) is December (7.7km/h).
Average humidity in September
Narvi, Iran
- Average humidity in September: 29%
The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is July (23%).
Average rainfall in September
Narvi, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is March (51mm).
The driest months (with the least rainfall) are August and September (0mm).
Average rainfall days in September
Narvi, Iran
- Average rainfall days in September: 0.7 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in September
Narvi, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (159mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Narvi, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 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
Narvi, Iran
- Average daylight in September: 12h and 24min
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: 10h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in September
Narvi, Iran
- Average sunshine days in September: 29.2 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in September
Narvi, 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, November and December (UV index 2).
Average cloud cover in September
Narvi, Iran
- Average cloud cover in September: 3
The months with the most cloud cover are January and February (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Narvi, Iran
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).





