Last updated: August 28, 2025
In Erdenet, Mongolia, September marks the transition into cooler autumn days, featuring a maximum temperature of 28°C (83°F) and an average of 10°C (51°F). While daytime warmth persists, evenings can be quite chilly, dipping to a minimum of -5°C (22°F). This month witnesses 49 mm (1.9 in) of rainfall, spread over 9 days, contributing to an overall humidity of 79%. As the lush landscapes begin to shift, September offers an intriguing blend of warm days and crisp nights, making it a unique time to experience the region's changing seasons.
In Erdenet, Mongolia, September marks a transitional period as summer fades into autumn. With minimum temperatures dipping to -5°C (22°F) and an average basking at 10°C (51°F), the month offers a refreshing respite from the sweltering summer heat. Daytime highs can still reach a pleasant 28°C (83°F), reminiscent of the warmer months, but the chill in the air hints at the encroaching winter. This shift in temperature is indicative of the broader seasonal changes, as the city transitions from the vibrant warmth of July and August to the chillier months ahead. Overall, September serves as a perfect blend of lingering warmth and the onset of the crisp autumn air, inviting visitors to enjoy the stunning landscapes that are uniquely showcased during this time.
In September, Erdenet experiences a notable shift in precipitation patterns as the monsoon season gradually recedes. With a total of 49 mm (1.9 in), rainfall is significantly lower than the peak months of July and August but higher than earlier in the year. September sees around 9 days of precipitation, hinting at a transition toward drier conditions as the region braces for the colder months ahead. This month stands out with a harmonious blend of wet and dry days, allowing for the lush landscapes born from summer rains to start settling into autumn's embrace. Overall, the trend from this month reflects a graceful tapering of the ample summer moisture, setting the stage for the crisp, clear days of October.
In September, Erdenet, Mongolia, experiences a humidity level of 79%, aligning closely with the slightly elevated humidity of the preceding months, particularly August. This period marks a gradual tapering of humidity from the higher levels of summer, yet it remains significantly above the springtime lows of March and May, which hovered around 66% and 65%, respectively. As the year progresses, the humidity dips slightly into October but is still anchored above 75%, suggesting a transitional climate that retains some of summer's lingering moisture. Overall, the September humidity demonstrates a consistent pattern of relatively high moisture levels, providing a lush backdrop to the arrival of autumn in this vibrant region.
As September rolls in Erdenet, Mongolia, the UV Index drops to 6, indicating a high exposure category with a burn time of 25 minutes. This marks a slight decrease from the peak summer months of July and August, where the UV Index hit a notable 9, maintaining a very high exposure risk. With the transition from summer to autumn, residents and visitors should take care to adapt their sun protection strategies, as the intensity of UV radiation decreases but remains significant compared to the winter months. For those planning outdoor activities, being aware of the UV Index can help ensure safe sun exposure. For detailed information, visit the Erdenet UV Index.
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September in Erdenet, Mongolia, offers a delightful transition into autumn, characterized by 318 hours of sunshine. This month, while slightly less sunlit than the vibrant summer peak of 375 hours in June and July, still shines in comparison to the earlier months of the year. Notably, after a steady increase from January’s 199 hours to the summer highs, September maintains a healthy glow before the daylight diminishes further in October with 299 hours. This trend highlights the gradual shift from the lush, sun-drenched days of summer to the cooler, more subdued sunlight of fall, inviting residents and visitors alike to savor the vibrant colors and crisp air of early autumn.
In Erdenet, Mongolia, September brings a moderate 48% chance of sunny weather, marking a shift as the summer months fade and autumn approaches. This slight increase in sunshine compared to the peak summer months of July and August, each at only 36%, suggests a welcome return to brighter days. Notably, the likelihood of sun begins to rise significantly again in October, reaching 67%, indicating that September serves as a transitional phase. As the vibrant hues of autumn set in, September offers a balanced blend of warmth and light, perfect for outdoor activities and appreciating the picturesque landscapes of Mongolia before the colder months take hold.
As September unfolds in Erdenet, Mongolia, daylight begins to wane, offering approximately 12 hours of sunlight—a notable decrease from the long, bright days of summer. This transition marks a shift from June's peak of 16 hours and July's 15 hours, gradually leading into the earlier sunsets of autumn. While September still enjoys more daylight than the winter months that follow—like the 8 hours in January and December—its bright days signal a gradual retreat toward the coziness of fall. With each passing day, the rhythm of life in Erdenet adjusts, embracing the beauty of changing seasons as nature prepares for the colder months ahead.
As September settles over Erdenet, Mongolia, the winds soften to an average of 2.1 m/s (5 mph), marking a gentle transition towards the cooler months. This slight dip in wind speed, consistent with a summer's end, follows a trend of variable breeziness from the preceding months, where gusts peaked during the spring and early summer. While the winds in July and August were even lighter, September's breezes continue to reinforce the calming patterns that emerge as autumn approaches, hinting at the crisp air and changing seasons ahead. The overall trend suggests a gradual ebbing of wind as the year progresses, inviting a serene ambiance that characterizes this time of year in the heart of Mongolia.
Weather in Erdenet varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Erdenet, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is relatively mild, with temperatures ranging from a chilly -5°C (22°F) at night to a warm 28°C (83°F) during the day, while the average temperature settles around 10°C (51°F). This month experiences about 49 mm (1.9 in) of precipitation over nine days, contributing to a humidity level of 79%. In stark contrast, January brings frigid temperatures, with lows plummeting to a bone-chilling -34°C (-29°F) and an average temperature of -19°C (-1°F), peaking at just -2°C (28°F). Moreover, January is remarkably dry, with minimal precipitation of only 3 mm (0.1 in) and no rainy days, resulting in a humidity level of 90%. For more details on January weather, you can check out Erdenet weather in January.
In comparing the weather of September and February, notable contrasts emerge. September experiences a range of temperatures from a chilly -5°C (22°F) at its lowest to a pleasant 28°C (83°F) at its peak, with an average of around 10°C (51°F). It is characterized by moderate precipitation of 49 mm (1.9 in) over 9 days, coupled with a relatively high humidity of 79%. In stark contrast, February is much colder, with temperatures plunging to a minimum of -34°C (-29°F) and only reaching a maximum of 9°C (49°F), averaging a frigid -15°C (5°F). Precipitation drops significantly to just 7 mm (0.3 in) over only 2 days, alongside a slightly lower humidity of 77%. For a detailed look at February weather in Erdenet, you can visit Erdenet weather in February.
In September, the weather showcases a much milder profile, with temperatures ranging from a minimum of -5°C (22°F) to a maximum of 28°C (83°F) and an average of 10°C (51°F). The month experiences moderate precipitation of 49 mm (1.9 in) over approximately 9 days, paired with higher humidity levels at 79%. In contrast, March presents a much colder environment, with temperatures plummeting to a minimum of -22°C (-8°F) and peaking at 19°C (67°F), averaging -4°C (25°F). The precipitation in March is considerably lower at just 10 mm (0.4 in) over 3 days, accompanied by lower humidity at 66%. The distinct differences in temperature and humidity illustrate how September offers a much warmer and wetter climate compared to the frigid and drier conditions typical of March. For more details, check Erdenet weather in March.
In comparing the weather of September and April, we observe notable differences in both temperature and precipitation. September typically sees a much milder temperature range, with minimums around -5°C (22°F) and maximums peaking at 28°C (83°F), averaging 10°C (51°F), whereas April presents cooler conditions, with minimum temperatures of -12°C (10°F) and an average of only 4°C (40°F). This cooler month also experiences less rainfall, with 24 mm (0.9 in) falling over approximately 5 days, in contrast to September's 49 mm (1.9 in) across about 9 days. Additionally, September's higher humidity at 79% compared to April's 70% can make it feel more oppressive despite the warmer temperatures. For a closer look at the climate specifics in April, you can visit Erdenet weather in April.
In comparing the weather between September and May, we observe notable differences in temperature and humidity levels. September features a broader temperature range with a minimum of -5°C (22°F) and a maximum of 28°C (83°F), averaging around 10°C (51°F). This month also sees higher humidity at 79% and more precipitation, averaging 49 mm (1.9 in) over 9 days. In contrast, May presents slightly milder weather, with a minimum of -5°C (23°F) and a higher maximum of 32°C (89°F), along with an average temperature of 11°C (52°F). It has lower humidity levels at 65% and less precipitation, totaling 34 mm (1.4 in) across 7 days. For more detailed weather information, you can check Erdenet weather in May.
In comparing the weather between September and June, we can see notable differences in temperature and conditions. September experiences a wider temperature range with minimums dropping to -5°C (22°F) and maximums reaching up to 28°C (83°F), while the average temperature hovers around 10°C (51°F). In contrast, June offers warmer conditions, with minimum temperatures of 0°C (32°F) and maximums peaking at 33°C (91°F), making the average a comfortable 17°C (63°F). Both months see similar precipitation levels, with September receiving 49 mm (1.9 in) and June slightly more at 54 mm (2.1 in), although the humidity in September is higher at 79% compared to 73% in June. For more details on June weather, you can visit Erdenet weather in June.
When comparing the weather between September and July, it's evident that July is generally warmer, with an average temperature of 19°C (66°F) and a maximum reaching 33°C (91°F). In contrast, September sees a drop in temperatures, averaging around 10°C (51°F) with a maximum of 28°C (83°F). Additionally, July experiences more rainfall, accumulating 100 mm (3.9 in) over approximately 13 days, compared to September's 49 mm (1.9 in) and 9 rainy days. Despite this, both months feature similar humidity levels, with July at 78% and September slightly higher at 79%. For more detailed insights, check out Erdenet weather in July.
In comparing the weather of September to August, we see a noticeable shift in temperature and precipitation. September experiences a broader range with minimum temperatures dipping to -5°C (22°F) while averaging 10°C (51°F), compared to August's milder minimum of 3°C (37°F) and an average of 16°C (61°F). Both months share the same maximum temperature of 28°C (83°F), but September receives significantly less precipitation at 49 mm (1.9 in) over 9 days, in contrast to August's 108 mm (4.3 in) over 14 days. Interestingly, humidity remains consistent for both months at 79%. For those looking for more detailed information about August weather, you can check out Erdenet weather in August.
September and October showcase a distinct shift in weather patterns. In September, temperatures can range from a chilly -5°C (22°F) at night to a warm 28°C (83°F) during the day, with an average of 10°C (51°F). The month brings moderate rainfall, accumulating 49 mm (1.9 in) over 9 days, while humidity remains relatively high at 79%.
Conversely, October sees a noticeable drop in temperatures, with nighttime lows plummeting to -12°C (10°F) and an average daily temperature of just 1°C (34°F). The maximum temperature decreases to 22°C (72°F), but overall, it is a cooler month. Precipitation also diminishes significantly to 21 mm (0.8 in) over only 4 days, and humidity remains steady at 78%. For more detailed insights, you can check Erdenet weather in October.
In September, the weather is notably milder, with average temperatures hovering around 10°C (51°F) and reaching a maximum of 28°C (83°F). The month experiences a total of 49 mm (1.9 in) of precipitation over about 9 days, coupled with a humidity level of 79%. In contrast, November brings a sharp decline in temperatures, with an average of -8°C (17°F) and a maximum of only 12°C (53°F). Precipitation decreases significantly to just 11 mm (0.4 in) across 4 days, while humidity remains similar at 78%. For more detailed insights on November weather, you can view Erdenet weather in November.
Comparing the weather in September and December reveals a stark contrast. September experiences a much milder temperature range, with minimums around -5°C (22°F) and maximums reaching up to 28°C (83°F), averaging at 10°C (51°F). The month also sees moderate precipitation of 49 mm (1.9 in) over about 9 days, coupled with a humidity level of 79%. In contrast, December is characterized by frigid conditions, with temperatures plunging to a minimum of -32°C (-25°F) and peaking at just 2°C (36°F), averaging -16°C (3°F). Precipitation is minimal at only 4 mm (0.2 in) across 1 day, and humidity is higher at 89%. For more detailed information, you can check out Erdenet weather in December.
As September unfolds in Erdenet, the weather showcases a unique transition that distinguishes it from the warmer summer months and the impending chill of autumn. With temperatures gradually shifting from warm days to notably cooler nights, this month presents a delightful blend of warmth and crispness. Unlike the sweltering heat of July and August, September enjoys a refreshing average that is tempered by increased humidity and a modest amount of rainfall, marking a significant change in the local climate. The frequent precipitation, although not overwhelming, adds to the lushness of the landscape, making it a picturesque time to experience the region. For a deeper understanding of how September fits into the broader climate patterns, explore Erdenet Climate.