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 arrival of September is marked by a minor reduction in average high-temperature, sliding from a warm 29.3°C (84.7°F) in August to a still moderately hot 25.2°C (77.4°F). Throughout September, a steady low-temperature average of 15.7°C (60.3°F) is noted.Humidity
In September, the average relative humidity is 32%.Rainfall
August and September are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 1mm (0.04") of rain.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:12 and sunset at 18:10. On the last day of September, sunrise is at 05:36 and sunset at 17:26 +0330.
Sunshine
In September, the average sunshine is 10.5h.UV index
In Rivadeh, Iran, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Rivadeh have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Rivadeh?
How high is the UV index in September?
Average temperature in September
Rivadeh, Iran
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is July (20.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.6°C).
Average pressure in September
Rivadeh, Iran
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is July (1008.1mbar).
Average wind speed in September
Rivadeh, Iran
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is July (12.8km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity in September
Rivadeh, Iran
- Average humidity in September: 32%
The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is July (26%).
Average rainfall in September
Rivadeh, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is April (39mm).
The driest months (with the least rainfall) are August and September (1mm).
Average rainfall days in September
Rivadeh, Iran
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is April (10.9 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in September
Rivadeh, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (166mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rivadeh, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Rivadeh, Iran
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in September
Rivadeh, Iran
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in September
Rivadeh, Iran
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Rivadeh, Iran
- Average cloud cover in September: 5
The month with the most cloud cover is February (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in September
Rivadeh, 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).
