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
Alustan's September average high-temperature settles at a warm 28°C (82.4°F), showing a near match with the preceding month. An average nighttime temperature of 18.2°C (64.8°F) is observed during September.Heat index
During September, the heat index is evaluated at 28°C (82.4°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In September, the average relative humidity in Alustan is 49%.Rainfall
In Alustan, in September, it is raining for 9.3 days, with typically 26mm (1.02") of accumulated precipitation. In Alustan, Iran, during the entire year, the rain falls for 143.2 days and collects up to 458mm (18.03") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:21 and sunset at 18:19. On the last day of September, sunrise is at 05:45 and sunset at 17:35 +0330.
Sunshine
In September, the average sunshine is 10.7h.UV index
The average daily maximum UV index in September in Alustan, Iran, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Alustan during September?
What is the average humidity in September in Alustan?
How many days does it rain in September in Alustan?
When it does not snow in Alustan?
What is the average length of the day in September in Alustan?
When is the sunrise / sunset in September in Alustan?
How long on average sun shines in September in Alustan?
What is the UV index intensity in September in Alustan?
Average temperature in September
Alustan, Iran
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (10.6°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is July (22.3°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in September
Alustan, Iran
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is July (1008mbar).
Average wind speed in September
Alustan, Iran
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).
Average humidity in September
Alustan, Iran
- Average humidity in September: 49%
The month with the highest relative humidity is February (60%).
The months with the lowest relative humidity are June and August (46%).
Average rainfall in September
Alustan, Iran
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (61mm).
The driest months (with the least rainfall) are July and December (20mm).
Average rainfall days in September
Alustan, Iran
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are July and August (7.7 days).
Average snowfall in September
Alustan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Alustan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Alustan, Iran
- Average daylight in September: 12h and 2min
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: 10h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Alustan, Iran
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in September
Alustan, Iran
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover in September
Alustan, Iran
- Average cloud cover in September: 10
The months with the most cloud cover are February and March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Alustan, Iran
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
