September weather forecast
Isfahan, Iran

englishespañol中文
Share

Weather in September

September marks the beginning of the transition into the milder autumn season in Isfahan. The temperature begin its slow slide downwards, presenting more bearable conditions. However, with the city recording its maximum of 31.2°C (88.2°F), the residual heat of summer days can still be felt. Yet the evenings are beautiful, accompanied by the perfect nip in the air.

Temperature

In September, the average high-temperature marginally drops from a torrid 35.1°C (95.2°F) in August to a hot 31.2°C (88.2°F). Despite the hot September days, Isfahan's nights see an average temperature plunge to a moderate 15.1°C (59.2°F).

Humidity

In Isfahan, Iran, the average relative humidity in September is 26%.

Rainfall

September is the only month when rain does not fall in Isfahan.

Snowfall

In Isfahan, snow does not fall in May through October.

Daylight

The average length of the day in September in Isfahan is 12h and 22min.
On the first day of the month, sunrise is at 05:38 and sunset at 18:28. On the last day of September, sunrise is at 05:56 and sunset at 17:49 +0330.

Sunshine

The average sunshine in September in Isfahan is 10.4h.

UV index

The average daily maximum UV index in September in Isfahan is 10. A UV Index reading of 8 to 10 represents a very high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 10 in September translates into these instructions:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout.
[Resources]

Frequently asked questions

How hot is it in Isfahan in September?

September temperatures in Isfahan vary between a high-temperature of 31.2°C (88.2°F) and a low-temperature of 15.1°C (59.2°F).

What is the average humidity in September in Isfahan?

In Isfahan, the average relative humidity in September is 26%.

What is the driest month in Isfahan?

September is the only month when rain does not fall.

Does it rain in Isfahan in September?

In September, in Isfahan, Iran, it doesn't rain. August is the latest month when it rains.

When it does not snow in Isfahan?

In Isfahan, Iran, snow does not fall in May through October.

What is the average length of the day in September in Isfahan?

In September, the average day length in Isfahan is 12h and 22min.

When are sunrise and sunset in September in Isfahan?

On the first day of September in Isfahan, sunrise is at 05:38 and sunset at 18:28. On the last day of the month, sunrise is at 05:56 and sunset at 17:49 +0330.

How many hours of sunshine does Isfahan have in September?

The average sunshine duration in September is 10.4h.

What is the UV index reading in September in Isfahan?

In Isfahan, Iran, the average daily maximum UV index in September is 10. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Isfahan, Iran

Average temperature in September - Isfahan, Iran
  • Average high temperature in September: 31.2°C

The warmest month (with the highest average high temperature) is July (36.4°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in September: 15.1°C

The month with the highest average low temperature is July (21.5°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).

[Resources]

Average humidity in September
Isfahan, Iran

Average humidity in September - Isfahan, Iran
  • Average humidity in September: 26%

The month with the highest relative humidity is January (60%).
The months with the lowest relative humidity are June and July (23%).

[Resources]

Average rainfall in September
Isfahan, Iran

Average rainfall in September - Isfahan, Iran
  • Average rainfall in September: 0mm

The wettest month (with the highest rainfall) is December (19.6mm).
The driest month (with the least rainfall) is September (0mm).

[Resources]

Average rainfall days in September
Isfahan, Iran

Average rainfall days in September - Isfahan, Iran
  • Average rainfall days in September: 0 days

The month with the highest number of rainy days is January (4 days).
The month with the least rainy days is September (0 days).

[Resources]

Average snowfall days in September
Isfahan, Iran

Average snowfall days in September - Isfahan, Iran
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Isfahan, Iran

Average daylight in September / Average sunshine in September - Isfahan, Iran
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

[Resources]

Average UV index in September
Isfahan, Iran

Average UV index in September - Isfahan, Iran
  • Average UV index in September: 10

The months with the highest UV index are May, June, July and August (UV index 12).
The months with the lowest UV index are January and December (UV index 3).

[Resources]

Isfahan, Iran

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location